Lasqueira

Question 1 of 159

1

In which stage of the business continuity planning lifecycle does an organization identify critical
business processes and assign recovery priorities?

Select one of the following:

Analyzing
Establishing objectives
Designing and developing
Implementing

Explanation

Question 2 of 159

1

What is an example of an active attack on an IT infrastructure?

Select one of the following:

Attempt to modify information for malicious purposes
Attempt to copy the data from the storage system
Attempt to gain unauthorized access into the system
Attempt to gain access to the data in transit

Explanation

Question 3 of 159

1

A Fibre Channel switch has eight ports and all ports must be operational 24x7. However, a
failure of Port 5 occurs on a particular week as follows:

- Monday = 11 AM to 12 PM
- Thursday = 7 AM to 11 AM
- Saturday = 11 AM to 1 PM
What is the availability of Port 5 in that week?

Select one of the following:

93%
94.1%
95.8%
97%

Explanation

Question 4 of 159

1

What is a benefit of implementing a virtual machine (VM) storage migration?

Select one of the following:

Balances storage utilization by redistributing VMs across different storage systems
Enables VMs to keep functioning even if the source data is lost due to a failure
Improves the security of applications running inside VMs on the migrated storage system
Reduces the overall storage system capacity requirements for organizations

Explanation

Question 5 of 159

1

How do VSANs ensure security in an IT infrastructure?

Select one of the following:

By providing isolation over a shared infrastructure
By authenticating a new switch that joins a fabric
By limiting the number of switches in a fabric
By prohibiting an unused switch port from being used

Explanation

Question 6 of 159

1

An application generates 8400 small random I/Os at peak workloads with a read/write ratio of
2:1.
What is the disk load at peak activity for a RAID 5 configuration?

Select one of the following:

4800
11200
16800
22400

Explanation

Question 7 of 159

1

An organization plans to deploy a deduplication solution by retaining their legacy backup
application. They are concerned about the application servers' performance and a long backup
window during backups.
Which deduplication solution(s) should be recommended to the organization?

Select one of the following:

Post-process
Source-based global deduplication
Variable-length segment and source-based
Fixed-length block and source-based

Explanation

Question 8 of 159

1

In a virtualized environment, which method enables a virtual machine to be rolled back in case
of a logical corruption to the virtual machine?

Select one of the following:

Virtual volume replication
VM snapshot
Storage array volume replication
VM clone

Explanation

Question 9 of 159

1

What is an accurate statement about VLANs and VSANs in an FCoE environment with an
existing FC SAN?

Select one of the following:

A dedicated VLAN must be configured for each VSAN
VLANs configured for VSANs must carry regular LAN traffic
Default VLAN must map to all VSANs defined in the FCoE switch
A minimum of four VLANs must be created to isolate VSAN traffic

Explanation

Question 10 of 159

1

What is a characteristic of target-based inline deduplication?

Select one of the following:

Deduplication processing occurs on the client before backup data is sent to the backup device
Backup data is stored on the backup device and then deduplication is performed
Changes must be made in the backup software to implement deduplication
Deduplication processing occurs at the backup device before it is stored on the backup device

Explanation

Question 11 of 159

1

Which Internet of Things (IoT) component is responsible for the automation of operations by
applying a force based on the dynamics of data?

Select one of the following:

Actuator
Switch
Sensor
Gateway

Explanation

Question 12 of 159

1

What is a benefit of backing up data to a disk library?

Select one of the following:

Provides improved backup and recovery performance
Provides built-in portability to meet offsite requirements
Supports the shoe shining effect for improved backup performance
Pre-configured and dedicated appliance is only used for backups

Explanation

Question 13 of 159

1

What is an accurate statement about the function of an archiving server?

Select one of the following:

Enables the ability to configure policies for archiving data
Installs agentson the archiving storage device
Scans the data that can bearchived on application servers
Creates stub files on an archiving storage device

Explanation

Question 14 of 159

1

What determines how far back the recovery points can go in a continuous data protection
(CDP) solution?

Select one of the following:

Amount of space that is configured for the journal
Size of the CDP appliance used for replication
Size of the source and replica volumes
Type of write splitter used for replication

Explanation

Question 15 of 159

1

Which capability does big data analytics provide?

Select one of the following:

Enabling data-driven decisions from large volumes of data
Storing large volumes of data without affecting availability
Reducing the data storage capacity requirement
Performing analytics using traditional tools

Explanation

Question 16 of 159

1

Which type of LUN provides full control for precise data placement and allows an
administrator to create LUNs on different RAID sets if there is workload contention?

Select one of the following:

Traditional
Thin
Journal
Bitmap

Explanation

Question 17 of 159

1

Why is it important for organizations to store, protect, and manage their data?

Select one of the following:

Reduce the amount of data to be replicated, migrated, and backed up.
Rapidly develop and deploy modern applications for business improvement
Develop new business opportunities by leveraging existing data
Reduce the complexity in managing the data center environment.

Explanation

Question 18 of 159

1

Which EMC product is a VNX array-based local replication software that creates a full volume mirror of the source?

Select one of the following:

SnapView Snapshot
SnapView Clone
TimeFinder/Snap
TimeFinder/Clone

Explanation

Question 19 of 159

1

What is an advantage of performing cumulative backups compared to incremental backups for the same data?

Select one of the following:

Facilitates faster restores
Facilitates faster backups
Reduces the storage space required for backups
Eliminates the need for full backups

Explanation

Question 20 of 159

1

When using the erasure coding technique in an object-based storage system, data is divided
into
12 data segments and 4 coding segments.
What is the maximum number of disk drive failures against which data is protected by the
configuration?

Select one of the following:

3
4
8
12

Explanation

Question 21 of 159

1

A company's Finance department needs 200 GB of storage for their business applications.
A LUN is created with 200 GB and RAID 1 is configured to support the applications. If the cost of
storage per GB is $2, what is the chargeback cost to the department for application storage?

Select one of the following:

200
400
800
1500

Explanation

Question 22 of 159

1

Which solid state drive component performs write coalescing?

Select one of the following:

Controller
I/O interface
Non-volatile memory
Cache

Explanation

Question 23 of 159

1

In the event of a disk failure, which RAID level enables quick data reconstruction?

Select one of the following:

RAID 3
RAID 5
RAID 6
RAID 10

Explanation

Question 24 of 159

1

In an archiving environment, how is a content address created in a content addressable
storage (CAS) system to store an object?

Select one of the following:

From the metadata of an object.
By using the logical address of the memory space
From the binary representation of an object.
By using the physical address of the storage device.

Explanation

Question 25 of 159

1

What is a benefit of a "recovery-in-place" backup approach in a virtualized data center?

Select one of the following:

Provides instant recovery of a failed virtual machine
Reduces the recovery point objective
Eliminates redundant data during virtual machine backups
Eliminates the backup window

Explanation

Question 26 of 159

1

Which cloud service does VMware vCloud Air provide?

Select one of the following:

Infrastructure as a Service
Platform as a Service
Database as a Service
Software as a Service

Explanation

Question 27 of 159

1

What is an accurate statement about Software as a Service?

Select one of the following:

Consumer has limited control over user-specific application configuration settings
Consumer has control over the operating systems and deployed applications
Consumer has control over the configuration settings of the application-hosting environment
Consumer has limited control over select networking components, such as host firewalls

Explanation

Question 28 of 159

1

What is an accurate statement about incremental forever backups?

Select one of the following:

Requires only one initial full back up
Requires periodic full back ups
Backup is not created directly from the production data
Copies the data that has changed since the last full back up

Explanation

Question 29 of 159

1

Which technology is used in the media and entertainment industry to enable content-based
search activity and to create video subtitles using natural language processing?

Select one of the following:

Machine learning
Social networking
Cloud computing
Internet of Things

Explanation

Question 30 of 159

1

What accurately describes the scale-out storage architecture?

Select one of the following:

Scales the capacity only within a single storage system
Provides a fixed capacity ceiling that limits scalability beyond a storage system.
Provides the capability to maximize its capacity by adding nodes to the cluster.
Restricts scalability to the limits of the storage controllers.

Explanation

Question 31 of 159

1

What is an accurate statement about a virtual tape library?

Select one of the following:

Legacy backup software can be used without additional modules or changes
Portability of physical tapes tooffsite locations is supported
Only sequential data access for both backup and recovery is supported
Regular maintenance tasks associated with a physical tape drive are required

Explanation

Question 32 of 159

1

What is a component of an FCoE switch?

Select one of the following:

Ethernet Bridge
Virtual N_Port
Converged Network Adapter
FCIP Forwarder

Explanation

Question 33 of 159

1

Which part of the Fibre Channel (FC) frame does the label "X" represent in the exhibit?
https://cdn.goconqr.com/uploads/media/image/31472577/desktop_a2aab2d7-3a0d-484c-b248-f945e266be47.png

Select one of the following:

Frame Header
CRC
SOF
Data Field

Explanation

Question 34 of 159

1

What is an accurate statement about Platform as a Service?

Select one of the following:

Consumer has control over the deployed applications
Consumer has control over the operating system and database management system
Consumer has control over the programming languages and tools
Consumer has control over the operating system and storage

Explanation

Question 35 of 159

1

A start-up company with a limited budget is planning to adopt a hybrid cloud solution for
their operations. The company has business-critical applications that serve customers and have strict
service levels. In addition, the company has less critical applications such as backup and archive.
Which hybrid cloud strategy should be recommended to the company?

Select one of the following:

Deploy the business-critical applications on an externally-hosted private cloud.
Deploy the less critical applications on a public cloud.
Deploy the business-critical applications on an on-premise private cloud.
Deploy the less critical applications on an externally-hosted private cloud.
Deploy the business-critical applications on an on-premise private cloud.
Deploy the less critical applications on a public cloud.
Deploy the business-critical applications on an externally-hosted private cloud.
Deploy the less critical applications on an on-premise private cloud.

Explanation

Question 36 of 159

1

What is an accurate statement about Governance?

Select one of the following:

Restrict access to certain users
Ensure removal of security risks
Authorize policy-making decisions
Demonstrate adherence to polices

Explanation

Question 37 of 159

1

Which method does an intrusion detection and prevention system (IDPS) use to identify
intrusions by scanning and analyzing events to detect if they are statistically different from normal
events?

Select one of the following:

Anomaly-based
Signature-based
Profile-based
Device-based

Explanation

Question 38 of 159

1

Which data center characteristic ensures that adequate resources are provided to efficiently
store and process data?

Select one of the following:

Capacity
Availability
Scalability
Performance

Explanation

Question 39 of 159

1

An application uses ten, 15 GB devices.
A pointer-based full volume replica of the application is required.
The replica will be kept for 24 hours and the data changes by 10% every 24 hours.
How much storage should be allocated for the replication?

Select one of the following:

15 GB
30 GB
150 GB
300 GB

Explanation

Question 40 of 159

1

What is an advantage of implementing file-level virtualization in a data center environment?

Select one of the following:

Provides non-disruptive file mobility across NAS devices
Allows users the ability to only use a physical path to access files
Provides the capability to access files from any device
Provides dynamic distribution of files across NAS clients.

Explanation

Question 41 of 159

1

In an FC SAN environment, an administrator wants to ensure that a particular switch port
cannot function as an E_Port and cannot be used to create an interswitch link. Which security
mechanism should the administrator use?

Select one of the following:

Port type locking
Port binding
Persistent port disable
Fabric binding

Explanation

Question 42 of 159

1

In continuous data protection (CDP) remote replication, where are the two split write I/Os of
an incoming write I/O directed?

Select one of the following:

One I/O goes to the local CDP appliance and the other I/O goes to the production volume
One I/O goes to the compute system and the other I/O goes to the production volume
One I/O goes to the remote CDP appliance and the other I/O goes to the replica
One I/O goes to the journal volume and the other I/O goes to the replica

Explanation

Question 43 of 159

1

What accurately describes a shared pool in virtual provisioning?

Select one of the following:

Should contain only homogeneous disk drive types
Supports a single RAID protection level.
Consists of only a virtual storage volume.
Should contain only physical drives with different sizes

Explanation

Question 44 of 159

1

An organization has several virtual machines (VMs) deployed in their data center. The VM
files are stored on a block-based storage system. The applications on the VMs are impacted during
VM backup because the backup agents on the VMs are consuming a large amount of resources.
Which alternate backup solution is recommended to address this issue?

Select one of the following:

Image-based back
Three-way NDMP backup
Two-way NDMP backup
Target-based deduplication backup

Explanation

Question 45 of 159

1

What enables an administrator to create device groups in an IP-SAN for restricting device
communications to a group?

Select one of the following:

iSNS discovery domain
NIC teaming
Demilitarized zone
Security identifier

Explanation

Question 46 of 159

1

Which technology combines NAND flash memory into a hard disk drive and is a single,
integrated device incorporating both types of storage?

Select one of the following:

Solid-state drive
Dual drive
Fibre Channel drive
Solid-state hybrid drive

Explanation

Question 47 of 159

1

An application generates 8400 small random I/Os at peak workloads with a read/write ratio
of 2:1.
What is the disk load at peak activity for a RAID 1/0 configuration?

Select one of the following:

5600
11200
16800
22400

Explanation

Question 48 of 159

1

Which type of digital data consists of textual data with inconsistent formats but can be
formatted with the use of software tools?

Select one of the following:

Quasi-structured data
Semi-structured data
Metadata
Unstructured data

Explanation

Question 49 of 159

1

What is an accurate statement about a software RAID implementation?

Select one of the following:

Uses CPU cycles of a compute system to perform RAID calculations
Supports the upgrade of RAID software on incompatible O/S
Uses a specialized hardware controller to perform RAID calculations
Supports all RAID levels

Explanation

Question 50 of 159

1

What is an advantage of the changed block tracking backup technique?

Select one of the following:

Reduces the backup window
Enables restoration to any point-in-time
Eliminates the need for data deduplication
Increases backup device performance

Explanation

Question 51 of 159

1

When implementing a full mesh topology in a Fibre Channel (FC) SAN environment, what is
the effect when there is an increase in the number of switches?

Select one of the following:

Reduces the available node ports for ISL connectivity.
Increases the load on the ISLs due to traffic aggregation.
Increases the hop count for compute to storage traffic
Reduces the available switch ports for node connectivity.

Explanation

Question 52 of 159

1

What is an accurate statement about OAuth security control?

Select one of the following:

Allows a client to access protected resources from a resource server on behalf of a resource owner
Provides strong authentication for client-server applications by using secret-key cryptography
Enables initiators and targets to authenticate each other by using a shared secret code
Enables an organization to use authentication services from an identity provider

Explanation

Question 53 of 159

1

If a company has experienced a passive attack on its IT infrastructure, how is the company's
security impacted?

Select one of the following:

Access to services is denied
Availability of data is affected.
Information privacy is compromised.
Data is altered by an unauthorized user.

Explanation

Question 54 of 159

1

An organization plans to deploy a new backup device in their data center. The organization
wants the new backup device to support their legacy backup software without requiring any changes
to the software. In addition, the organization wants the backup device to provide random data access
for better performance.
Which backup device should be recommended?

Select one of the following:

Virtual tape library
Tape-based backup appliance
Tape library
Optical juke box

Explanation

Question 55 of 159

1

What is an accurate statement about stretched VLANs?

Select one of the following:

Reduces network bandwidth requirements during VM migration across sites.
Requires a change in the VMs' IP addresses to match the addressing scheme at the other sites.
Enables automatic modification of VLAN addresses during VM migration across sites.
Supports migration of VMs across sites without the need to change their network configurations.

Explanation

Question 56 of 159

1

Which cloud deployment model allows provisioning of a cloud infrastructure only for use by a
single organization having multiple consumers?

Select one of the following:

Public cloud
Multi-cloud
Hybrid cloud
Private cloud

Explanation

Question 57 of 159

1

What is the goal of a business continuity solution?

Select one of the following:

Reduce the amount of investment in protecting an organization's business-related data
Avoid a disaster in a data protection environment to control the loss of data.
Ensure information availability that is required to conduct vital business operations.
Eliminate security threats in a data protection environment for continuous access to data.

Explanation

Question 58 of 159

1

Which layer of the OSI model provides the functional and procedural methods to transfer
data between network entities?

Select one of the following:

Data link
Presentation
Session
Application

Explanation

Question 59 of 159

1

What is an example of an availability management task in storage infrastructure
management?

Select one of the following:

Designing a new replication solution for data redundancy
Performing trend analysis of storage space consumption
Tracking configuration changes to storage components
Specifying storage space quotas for users

Explanation

Question 60 of 159

1

Which type of storage system is built specifically for storing fixed content?

Select one of the following:

Content addressed storage
Block-based storage
File-based storage
Unified storage

Explanation

Question 61 of 159

1

What is an example of a Performance Management task?

Select one of the following:

Selecting an appropriate RAID type for a storage pool.
Removing unused resources from a service and reassigning them to another.
Scanning applications and databases to identify vulnerabilities.
Planning and architecting data backup and replication solutions.

Explanation

Question 62 of 159

1

Which method is used to establish a VPN connection between a primary and remote data
center to perform secure remote replication?

Select one of the following:

Site-to-site VPN connection
Remote access VPN connection
Intra-site VPN connection
Long distance VPN connection

Explanation

Question 63 of 159

1

What is a characteristic of an FC-AL implementation?

Select one of the following:

Reserves one address for connecting an FC-SW port
Supports connectivity up to 15 million nodes
Devices can be added and removed dynamically without any impact
Requires at least one connectivity device

Explanation

Question 64 of 159

1

An organization performs a full back up every Sunday and incremental back ups on the
remaining days at 9:00 AM. However, at 10 PM on Friday, a data corruption occurs that requires a
data restoration from the backup copies.
How many backup copies are required to perform this restoration?

Select one of the following:

2
4
5
6

Explanation

Question 65 of 159

1

An organization plans to deploy a new application in their environment. The new application
requires 2 TB of storage space. During peak workloads, the application is expected to generate
9800 IOPS with a typical I/O size of 4 KB. The capacity of each available disk drive is 250 GB.
The maximum number of IOPS a drive can perform at with 70 percent utilization is 90 IOPS. What is the minimum number of disk drives needed to meet the application's capacity and
performance requirements given a RAID 0 configuration?

Select one of the following:

8
70
110
140

Explanation

Question 66 of 159

1

A customer has a requirement to perform a backup each night. However, the customer has a
limited amount of time for backups to run on week nights, Monday through Friday evenings.
Which backup granularity type is recommended to meet the backup window for those nights?

Select one of the following:

Incremental
Cumulative
Full
Differential

Explanation

Question 67 of 159

1

Which product provides an organization with the power to search and analyze vast amounts
of data in one place and helps administrators to discover suspicious event trends?

Select one of the following:

Dell InTrust
Dell Change Auditor
VMware AppDefense
VMware AirWatch

Explanation

Question 68 of 159

1

What is a function of the NDMP server in an NDMP-based backup approach?

Select one of the following:

Reads the data from the storage device and sends the data to the backup device
Reads the data from the backup server and sends the data to the backup device
Instructs the NAS head to startthe backup operation
Instructs the backup agent on the client to send the data to the backup device

Explanation

Question 69 of 159

1

Which file system uses a MapReduce framework to run applications and a NameNode for
managing the file system?

Select one of the following:

New Technology File System (NTFS)
Hadoop Distributed File System (HDFS)
Network File System (NFS)
Common Internet File System (CIFS)

Explanation

Question 70 of 159

1

What contains the information about backup configuration and backup metadata?

Select one of the following:

Backup catalog
Proxy server
Tracking database
Backup image

Explanation

Question 71 of 159

1

In an FCoE switch, which function is provided by the Fibre Channel Forwarder (FCF)?

Select one of the following:

Communication bridge between CEE and IP networks
Communication bridge between FC and FCIP networks
Communication bridge between CEE and FCIP networks
Communication bridge between CEE and FC networks

Explanation

Question 72 of 159

1

What is a benefit when a node is added to a scale-out NAS cluster?

Select one of the following:

Increased cluster performance
Reduced capital expenditure
Simplified cluster management
Decreased data duplication

Explanation

Question 73 of 159

1

An administrator has defined a backup policy. Full backups will be performed at 8 PM every
Monday and incremental backups performed at 8 PM the remaining days. How many backup copies
are required to restore the files if they were accidentally deleted on Friday morning?

Select one of the following:

1
2
3
4

Explanation

Question 74 of 159

1

What refers to an IT infrastructure's ability to function based on business expectations during
its specified time of operations?

Select one of the following:

Information availability
Disaster recovery
Compliance adherence
Business agility

Explanation

Question 75 of 159

1

Which functionality does a Control layer provide in a software-defined networking
architecture?

Select one of the following:

Defining the network behavior through various policies.
Making decisions on how the packets should be forwarded.
Establishing communications between the Infrastructure and Interface layers.
Forwarding data packets based on the requirements from the Application layer.

Explanation

Question 76 of 159

1

What is an accurate statement about a virtual machine (VM) snapshot?

Select one of the following:

Captures the state and data of a running VM at a specific point-in-time
Provides the capability to delete the parent VM once the snapshot is created
Runs as an independent copy from the parent VM
Provides the capability to restore VM data to any point-in-time

Explanation

Question 77 of 159

1

An Ethernet switch has eight ports and all ports must be operational for 24 hours, from
Monday through Friday. However, a failure of Port4 occurs as follows:
- Monday = 8 PM to 9 PM
- Wednesday 7 PM to 9 PM
- Thursday = 6 AM to 9 AM
- Saturday = 4 PM to 7 PM
What is the MTTR of Port 4?

Select one of the following:

2 hours
3 hours
28 hours
38 hours

Explanation

Question 78 of 159

1

What is a benefit of using content addressed storage (CAS) as an archival solution?

Select one of the following:

Ensures content authenticity and integrity
Supports location independence using different content IDs for an object
Provides the ability to perform production operations on the CAS
Enables modification of archived data

Explanation

Question 79 of 159

1

A customer wants 24x7 availability for a business application that uses a file system.
Which operation ensures a consistent replica of the file system?

Select one of the following:

Unmount the file system prior to the creation of the replica
Stop the application prior to the creation of the replica
Flush the file system buffers after creation of the replica
Flush the file system buffers before creation of the replica

Explanation

Question 80 of 159

1

Which EMC product provides a remote replication solution for EMC VMAX3 storage systems?

Select one of the following:

SRDF
SnapSure
MirrorView
ProtectPoint

Explanation

Question 81 of 159

1

What is determined by the recovery point objective in a business continuity solution?

Select one of the following:

Frequency of the backup
Type of backup devices
Type of disaster recovery site
Distance between the primary and disaster recovery sites

Explanation

Question 82 of 159

1

Why is it important for organizations to maintain a copy of data at a remote site?

Select one of the following:

Ensure disaster recovery
Provide operational recovery
Ensure data archiving to meet regulatory requirements
Provide flexibility to use stub files for production operations

Explanation

Question 83 of 159

1

What is a function of the metadata service in an object-based storage device (OSD)?

Select one of the following:

Generates the file system namespace from the file contents.
Manages both physical and logical disks on which the user data is stored
Manages the storage space for all remote clients.
Maintains the object IDs and file system namespace mappings.

Explanation

Question 84 of 159

1

In an FC SAN environment, which security mechanism prevents a switch port from being
enabled even after a switch reboot?

Select one of the following:

Port locking
Port type locking
Port binding
Fabric binding

Explanation

Question 85 of 159

1

An organization plans to deploy a new application in their environment. The new application
requires 3 TB of storage space. During peak workloads, the application is expected to generate
2450 IOPS with a typical I/O size of 2 KB. The capacity of each available disk drive is 500 GB.
The maximum number of IOPS a drive can perform at with 70 percent utilization is 90 IOPS.
What is the minimum number of disk drives needed to meet the application's capacity and
performance requirements given a RAID 0 configuration?

Select one of the following:

6
16
25
28

Explanation

Question 86 of 159

1

A consumer is interested in a service that provides multiple operating systems and
programming frameworks for application development and deployment. Which recommended cloud
service model will meet these requirements?

Select one of the following:

Storage as a Service
Platform as a Service
Infrastructure as a Service
Software as a Service

Explanation

Question 87 of 159

1

What accurately describes hypervisor-based continuous data protection?

Select one of the following:

Virtual appliance is running on a hypervisor.
Journal is stored in a virtual machine.
Virtual appliance runs on a storage system.
Replica volumes are created in the hypervisor.

Explanation

Question 88 of 159

1

Which LUN expansion technique provides both capacity expansion and performance
improvement?

Select one of the following:

Striped metaLUN
Partitioned metaLUN
Virtual metaLUN
Concatenated metaLUN

Explanation

Question 89 of 159

1

In a compute-based storage area network (SAN), what is a function of the metadata
manager?

Select one of the following:

Holds cluster-wide mapping information and load balancing in a compute-based SAN.
Performs the I/O operations on the local storage of a compute system as requested by a client
Provides an interface to the software-defined storage controller.
Controls all data read and write operations in a compute-based SAN.

Explanation

Question 90 of 159

1

What accurately describes virtual SAN (VSAN) trunking?

Select one of the following:

Reduces the utilization of ISLs by removing all the ISLs configured between the FC switches.
Increases the number of E_ports used for the ISLs to transfer multiple VSAN traffic
Increases the complexity of managing the FC SAN with an increase in the number of ISLs.
Reduces the number of ISLs between switches that are configured with multiple VSANs.

Explanation

Question 91 of 159

1

What is an accurate statement about a fabric-provided MAC address (FPMA) used in an
FCoE SAN?

Select one of the following:

FCoE switches provide MAC addresses to VN_Ports during node login
FC switches provide MAC addresses to VE_Ports dynamically during discovery
Compute systems provide MAC addresses to the VF_Ports on FCoE switches
Both VF_Ports and VE_Ports obtain MAC addresses from FC switches

Explanation

Question 92 of 159

1

What is compromised by a passive attack on an IT infrastructure?

Select one of the following:

Confidentiality
Integrity
Availability
Repudiation

Explanation

Question 93 of 159

1

What is a key advantage of cloning a virtual machine (VM)?

Select one of the following:

Ability to run new VMs simultaneously with the same IP address
Reduces the time required to create multiple copies of a VM.
Improves the performance of an existing VM and new VMs.
Eliminates the need to create multiple snapshots for a VM

Explanation

Question 94 of 159

1

What is an accurate statement about a hardware RAID implementation?

Select one of the following:

Uses a specialized hardware controller installed on a storage array
Uses CPU cycles of a compute system to perform RAID calculations
Requires a RAID controller and operating system to be compatible
Offers a low-cost solution for providing disk protection

Explanation

Question 95 of 159

1

Which product delivers virtualized or hosted desktops and applications through a single
platform?

Select one of the following:

VMware Horizon
Dell EMC VxRail Appliance
VMware NSX
Dell PowerEdge servers

Explanation

Question 96 of 159

1

Which Dell EMC product enables continuous protection for any PIT recovery and offers
multi-site support?

Select one of the following:

RecoverPoint
Avamar
SourceOne
SRDF

Explanation

Question 97 of 159

1

Which attack is carried out by sending a spoofing e-mail and redirecting a user to a false
website?

Select one of the following:

Phishing
Man-in-the-middle
Denial-of-service
Repudiation

Explanation

Question 98 of 159

1

What accurately describes an iSCSI HBA?

Select one of the following:

Performs both iSCSI and TCP/IP processing
Requires CPU cycles for TCP/IP processing
Requires a software adapter with built-in functionality
Enables transmission of data through iSCSI tunneling

Explanation

Question 99 of 159

1

In a copy on first access (CoFA) technique, when is data copied from the source to the
target?

Select one of the following:

All writes are issued to a location on the source
All writes are issued to a location on the target
A read or write is issued for the first time to a location on the target
A read is issued for the first time from a location on the source

Explanation

Question 100 of 159

1

An application generates 4200 small random I/Os at peak workloads with a read/write ratio
of 2:1.
What is the disk load at peak activity for a RAID 6 configuration?

Select one of the following:

2800
5600
8400
11200

Explanation

Question 101 of 159

1

Which action takes place during the login phase in an FCoE SAN?

Select one of the following:

VN_Ports obtain FC addresses
Nodes locate the Fibre Channel Forwarder
Initialization protocol starts transporting FC data
VN_Port to N_Port pairing is established

Explanation

Question 102 of 159

1

Which iSCSI host connectivity option is recommended in a CPU-intensive application
environment?

Select one of the following:

iSCSI HBA
NIC with software-based iSCSI initiator
TCP offload eng
Converged Network Adapter

Explanation

Question 103 of 159

1

A system has three components and all three components need to be operational for 24
hours; Monday through Friday. During a particular week, failure of component 3 occurred as follows:
-Tuesday = 8 AM to 1 PM -Thursday = 5 PM to 10 PM -Friday = 5 AM to 10 AM What is the mean time
between failures on component 3 for that week?

Select one of the following:

5 hours
35 hours
40 hours
51 hours

Explanation

Question 104 of 159

1

An organization performs a full back up every Sunday and cumulative back ups on the
remaining days. On Thursday, a data corruption occurs that requires a data restoration from the
backup copies. How many backup copies are required to perform this restoration?

Select one of the following:

1
2
3
4

Explanation

Question 105 of 159

1

What is signified by the "variability" characteristic of big data?

Select one of the following:

Meaning of the data changes constantly
Data is generated in different formats by numerous sources
Data change rate affects its timely analysis
Varying data quality affects its reliability and accuracy

Explanation

Question 106 of 159

1

Which technique is used in Kerberos to authenticate a client-server application across an
insecure network?

Select one of the following:

Secret-key cryptography
One-way hash function
Shared secret
OpenID control

Explanation

Question 107 of 159

1

When using a bridged iSCSI connection, which components facilitate communication
between gateways?

Select one of the following:

Compute system with iSCSI ports and the storage system with Ethernet ports.
Compute system with iSCSI ports and the storage system with only FC ports
Compute system with FC HBA ports and the storage system with only FC ports.
Compute system with FCoE ports and the storage system with iSCSI ports.

Explanation

Question 108 of 159

1

Which EMC product provides automated monitoring and reporting of a software-defined
storage infrastructure?

Select one of the following:

ViPR SRM
SnapSure
Avamar
FAST VP

Explanation

Question 109 of 159

1

What is a benefit of link aggregation?

Select one of the following:

Optimizes fabric performance by distributing network traffic across ISLs.
Improves ISL utilization by increasing the network traffic on a specific ISL
Yields a higher throughput by combining two parallel ISLs into a single physical ISL.
Saves bandwidth by restricting traffic to a specific potentially congested ISL

Explanation

Question 110 of 159

1

Winch Dell EMC product creates a server and IP-based SAN from direct-attached server
storage to deliver flexible and scalable performance and capacity on demand?

Select one of the following:

PowerMax
VxFlex OS
ViPR Controller
XtremIO

Explanation

Question 111 of 159

1

What accurately describes a software-defined architecture?

Select one of the following:

Supports only central management of private cloud resources using a pre-defined policy.
Provides a unified management platform for centralized monitoring and administration.
Uses only converged and hyperconverged infrastructures to offer services to companies
Provides decentralized, manual, and policy-driven IT resource management.

Explanation

Question 112 of 159

1

Which cloud computing characteristic enables multi-tenancy and abstracts the location of
provided resources?

Select one of the following:

Resource pooling
Measured service
Rapid elasticity
Broad network access

Explanation

Question 113 of 159

1

What is an activity in the risk assessment step of risk management?

Select one of the following:

Determine the likelihood of a risk
Plan and deploy security controls
Continuously observe the existing
Identify the sources of threats that increase the risks

Explanation

Question 114 of 159

1

What is an advantage of deploying a purpose-built, disk-based backup appliance in a datacenter environment?

Select one of the following:

Eliminate the need for performing source-based deduplication.
Convert the capital expenditure to an operational expenditure.
Lower the recovery time objective of an organization
Retain the fixed content for longer periods in the data center.

Explanation

Question 115 of 159

1

Which component is required for a "recovery-in-place" backup approach?

Select one of the following:

Disk-based backup target
Agent-based backupclient
NDMP server
Data deduplication server

Explanation

Question 116 of 159

1

What is signified by the "variety" characteristic of big data?

Select one of the following:

Data is generated in different formats by numerous sources
Meaning of the data changes constantly
Varying data quality affects its reliability and accuracy
Data change rate affects its timely analysis

Explanation

Question 117 of 159

1

Which data center management process involves collating and presenting the utilization of
resources?

Select one of the following:

Reporting
Provisioning
Planning
Maintenance

Explanation

Question 118 of 159

1

What is an accurate statement about full volume replication?

Select one of the following:

Target device is at least as large as the source device
Target device requires only a fraction of the space used by the source device
Target device is accessible only after the replication session starts
Target and source devices should be on different storage arrays

Explanation

Question 119 of 159

1

What is a characteristic of a scale-out NAS?

Select one of the following:

File system grows dynamically as nodes are added in the cluster
Up to four file systems can be created across the cluster
Distinct file systems are created on each node in the cluster
Different file systems can be mixed on each node in a single cluster

Explanation

Question 120 of 159

1

What is an example of a security management task in a storage infrastructure?

Select one of the following:

Configuring LUN masking to restrict hosts from accessing a specific LUN
Enforcing storage space quotas to restrict users from overprovisioning resources
Restricting the number of simultaneous client access to application servers
Enabling sending messages to a support center in the event of resource failure

Explanation

Question 121 of 159

1

What accurately describes an attack vector in an IT infrastructure?

Select one of the following:

Series of steps that must be followed in order to complete an attack
Various entry points that can be used to launch an attack
Amount of effort required to exploit vulnerabilities in the infrastructure
Process of identifying the system components under attack

Explanation

Question 122 of 159

1

Why are organizations moving towards a modern data center implementation?

Select one of the following:

Develop modern applications in the public cloud without having the right skill set in-house.
Ability to be agile, operate in real time, and develop intelligent products.
Deploy only unified and converged IT resources to reduce the management complexity.
Reduce the cost of managing data center components by using a self-service catalog.

Explanation

Question 123 of 159

1

What is an accurate statement about variable prefetching?

Select one of the following:

Many blocks that have recently been written to storage by the compute system are retrieved and
placed in cache.
Many non-contiguous blocks that are not currently required can be retrieved from cache in
advance
Storage system prefetches data in multiples of the original I/O request size from the compute
system.
Storage system prefetches many non-contiguous blocks of data, with varied sizes, from cache.

Explanation

Question 124 of 159

1

A backup administrator has defined a backup policy. The policy requires full backups to be
performed at 10 PM every Sunday and incremental backups performed at 10 PM the remaining days.
If files were accidentally deleted Wednesday morning, how many backup copies are required to
restore the files?

Select one of the following:

2
3
4
5

Explanation

Question 125 of 159

1

Which Dell EMC product is a hyper-scale storage infrastructure that provides universal
accessibility with support for object and HDFS?

Select one of the following:

ViPR Controller
PowerMax
Isilon
Elastic Cloud Storage

Explanation

Question 126 of 159

1

What is a benefit of deploying a multi-site storage system-based remote replication
solution?

Select one of the following:

Ensures disaster recovery protection remains available in the event of source or remote site
failures
Provides the capability to recover data to any point-in-time
Requires low network bandwidth to perform synchronous replication
Enables a consistent near-zero RPO in the event of source and remote site failures

Explanation

Question 127 of 159

1

In an FCoE environment, which functionality provides a framework for the allocation of
bandwidth to different network traffic classes?

Select one of the following:

Enhanced transmission selection
Priority-based flow control
Congestion notification
Data center bridging exchange protocol

Explanation

Question 128 of 159

1

A company is using an intrusion detection and prevention system (IDPS) to scan and analyze intrusion events.
Which IDPS technique uses a database that contains known attack patterns?

Select one of the following:

Role-based
Profile-based
Signature-based
Anomaly-based

Explanation

Question 129 of 159

1

What is determined based on the recovery point objective in an asynchronous remote
replication?

Select one of the following:

Size of the buffer
Size of the replica
Response time
Location of the source

Explanation

Question 130 of 159

1

A system has three components and all three components need to be operational for 24
hours; Monday through Friday. During a particular week, failure of component 1 occurred as follows:
-Tuesday = 8 AM to 11 AM -Thursday = 8 PM to 10 PM -Friday = 5 AM to 9 AM What is the mean time
between failures on component 1 for that week?

Select one of the following:

3 hours
37 hours
40 hours
53 hours

Explanation

Question 131 of 159

1

What is an accurate statement about Challenge Handshake Authentication Protocol (CHAP)
control?

Select one of the following:

Enables initiators and targets to authenticate each other by using a shared secret code
Provides strong authentication for client-server applications by using secret-key cryptography
Allows a client to access protected resources from a resource server on behalf of a resource owner
Enables an organization to use authentication services from an identity provider

Explanation

Question 132 of 159

1

What is an accurate statement about three-way NDMP backup in a NAS environment?

Select one of the following:

Backup data is sent directly from NAS to the backup device
Backup data is sent to the backup device through the application servers
A dedicated backup device is required for each NAS
All NAS systems should have the same operating environment

Explanation

Question 133 of 159

1

A company is planning to perform a cloud-based backup. They want to send their data over
a public network to a cloud backup device. Which security control mechanism helps to protect the data from an attacker?

Select one of the following:

Multi-factor authentication
Demilitarized zone
Data shredding
Encryption

Explanation

Question 134 of 159

1

What is an accurate statement about Infrastructure as a Service?

Select one of the following:

Consumer has control over the operating systems and the deployed applications
Consumer only has control over user-specific application configuration settings
Consumer has control over network devices, compute systems, and storage systems
. Consumer only has control over the configuration settings of the application-hosting environment

Explanation

Question 135 of 159

1

What is the purpose of monitoring capacity in a storage infrastructure?

Select one of the following:

Tracking the amount of storage infrastructure resources used and available
Evaluating utilization of components and identifying bottlenecks
Tracking configuration changes to the storage infrastructure elements
Identifying component failures that may lead to service unavailability

Explanation

Question 136 of 159

1

What is an accurate statement about a denial-of-service attack?

Select one of the following:

Prevents legitimate users fromaccessing resources or services
Intentional misuse of privileges to compromise data security
Gaining unauthorized access to a user's accounts and data
Captures a user's credentials and then sends to the attacker

Explanation

Question 137 of 159

1

Which data archiving component scans primary storage to find the files that meet the
archiving policy?

Select one of the following:

Archive storage
Archive database server
Archive agent
Archive stub file

Explanation

Question 138 of 159

1

What accurately describes an Incident in a storage infrastructure?

Select one of the following:

Unknown root cause of one or more disruptions to service.
Any event that may lead to the disruption of a service.
Support request to help access an IT resource
Any event that may create a change in correcting a known error.

Explanation

Question 139 of 159

1

What accurately describes the seek time of a disk drive?

Select one of the following:

Time taken to position the read/write head over the correct track
Time taken by the platter to position the data under the read/write head
Time taken to read a block of data from the platter
Time taken by the controller to service an I/O from the application

Explanation

Question 140 of 159

1

A company plans to deploy a new application in their environment. The new application
requires
2 TB of storage space. During peak workloads, the application is expected to generate 4500 IOPS with
a typical I/O size of 4 KB. The capacity of each available disk drive is 250 GB. In addition, the
maximum number of IOPS a drive can perform at with a 70% utilization is 90 IOPS.
What is the minimum number of disk drives needed to meet the application's capacity and
performance requirements for a RAID 0 configuration?

Select one of the following:

8
40
50
70

Explanation

Question 141 of 159

1

What is an accurate statement about three-way NDMP backup in a NAS environment?

Select one of the following:

Backup device can be shared among multiple NAS heads
Each NAS head should have a dedicated backup device
Backup data traverses at least three NAS heads before reaching the backup device
Backup is performed only when three or more NAS heads are present

Explanation

Question 142 of 159

1

Which type of digital data has no defined format but has a self-describing structure that
enables its analysis?

Select one of the following:

Semi-structured data
Structured data
Metadata
Quasi-structured data

Explanation

Question 143 of 159

1

Which data center characteristic ensures that data is stored and retrieved exactly as it was
received?

Select one of the following:

Data integrity
Security
Scalability
Manageability

Explanation

Question 144 of 159

1

Which EMC product enables management for Vblock systems?

Select one of the following:

Unified Infrastructure Manager
MirrorView
Service Assurance Suite
ViPR SRM

Explanation

Question 145 of 159

1

Which technology decouples the OS, applications, and user state from a physical compute
system?

Select one of the following:

Application virtualization
Storage virtualization
Thin client virtualization
Desktop virtualization

Explanation

Question 146 of 159

1

What provides the ability to automatically relocate extents across physical storage drives
over the entire pool when new drives are added to the pool?

Select one of the following:

Storage pool rebalancing
Extent relocation
Storage pool tiering
Automated extent tiering

Explanation

Question 147 of 159

1

What is a key advantage of implementing FCIP?

Select one of the following:

Provides a disaster recovery solution by replicating data across data centers.
Enables migration of VMs across data centers by using existing FC networks.
Ensures lossless transmission of FC traffic across data centers over Ethernet.
Provides a dedicated network for transmission of storage traffic within a data center.

Explanation

Question 148 of 159

1

Why should a replica be consistent with its source?

Select one of the following:

Ensure the usability of the replica
Reduce the need to create multiple replicas
Ensure the security of the replica
Reduce the size of the replica

Explanation

Question 149 of 159

1

What is a benefit of deploying a Defense in Depth strategy?

Select one of the following:

Provides additional time for organizations to detect and respond to an attack
Eliminates the attack vector from the IT infrastructure
Eliminates the attack surface from the IT infrastructure
Enables organizations to deploy a unified security solution

Explanation

Question 150 of 159

1

What is an accurate statement about OpenID control?

Select one of the following:

Enables an organization to use authentication services from an identity provider
Enables initiators and targets to authenticate each other by using a shared secret code
Provides strong authentication for client-server applications by using secret-key cryptography
Allows a client to access protected resources from a resource server on behalf of a resource
owner

Explanation

Question 151 of 159

1

What does an area ID represent in Fibre Channel (FC) addressing?

Select one of the following:

Group of switch ports
Switch within a group
Port within a group
Group of switches

Explanation

Question 152 of 159

1

An organization plans to deploy a new application in their environment. The new application
requires 4 TB of storage space. During peak workloads, the application is expected to generate
4900 IOPS with a typical I/O size of 8 KB. The capacity of each available disk drive is 500 GB.
The maximum number of IOPS a drive can perform at with a 70 percent utilization is 110 IOPS.
What is the minimum number of disk drives needed to meet the application's capacity and performance requirements given a RAID 0 configuration?

Select one of the following:

8
20
30
45

Explanation

Question 153 of 159

1

What is an accurate statement about a hybrid cloud?

Select one of the following:

Supports data and application portability for load balancing between clouds
Allows organizations with common concerns to share the cost of deploying the cloud
Enables the entire cloud infrastructure to be controlled by the consumer's IT staff
Allows an organization to outsource the implementation of a private cloud to a cloud provider

Explanation

Question 154 of 159

1

What is a benefit of source-based deduplication over target-based deduplication?

Select one of the following:

Backup processing is offloaded from the backup client
Less backup data is stored on the backup server
Backup data can be retained longer
Only unique data is sent over the network to be backed up

Explanation

Question 155 of 159

1

What is an accurate statement about hypervisor-based continuous data protection (CDP)?

Select one of the following:

Write splitter is embedded in the hypervisor
Journal is stored in a virtual machine
Journal and replica use the same storage volume
Virtual appliance runs on a storage system

Explanation

Question 156 of 159

1

Which benefit does the measured service characteristic provide to a cloud service provider?

Select one of the following:

Enables control and optimization of resource use
Enables cloud services to communicate with each other
Enables availability of specific resources depending on policy
Enables the reduction and/or elimination of upfront IT expenditure

Explanation

Question 157 of 159

1

What is a function of a Fibre Channel Forwarder in an FCoE SAN?

Select one of the following:

Applies zoning configurations and provides fabric services
Transfers FCoE traffic over an FC SAN
Encapsulates IP packets into FC frames
Provides both NIC and FC HBA functionality

Explanation

Question 158 of 159

1

What is a key objective to performing continuous replication?

Select one of the following:

Avoid performing data archiving.
Reduce the RPO to near-zero.
Reduce the deduplication ratio
Avoid performing data backups.

Explanation

Question 159 of 159

1

What is an accurate statement about infrastructure discovery?

Select one of the following:

Creates an inventory of infrastructure components and provides information about the
components
Standardizes on-going infrastructure management activities andassesses potential risks of the
activities
Classifies, organizes, and analyzes all infrastructure management bestpractices stored in data lakes
Detects potential security attacks on a storage infrastructure and deploys specialized tools to eliminate the attacks

	Created by Julio Cesar about 5 years ago

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Question 1 of 159

In which stage of the business continuity planning lifecycle does an organization identify critical business processes and assign recovery priorities?

Select one of the following:

Explanation

Question 2 of 159

What is an example of an active attack on an IT infrastructure?

Select one of the following:

Explanation

Question 3 of 159

A Fibre Channel switch has eight ports and all ports must be operational 24x7. However, a failure of Port 5 occurs on a particular week as follows: - Monday = 11 AM to 12 PM - Thursday = 7 AM to 11 AM - Saturday = 11 AM to 1 PM What is the availability of Port 5 in that week?

Select one of the following:

Explanation

Question 4 of 159

What is a benefit of implementing a virtual machine (VM) storage migration?

Select one of the following:

Explanation

Question 5 of 159

How do VSANs ensure security in an IT infrastructure?

Select one of the following:

Explanation

Question 6 of 159

An application generates 8400 small random I/Os at peak workloads with a read/write ratio of 2:1. What is the disk load at peak activity for a RAID 5 configuration?

Select one of the following:

Explanation

Question 7 of 159

An organization plans to deploy a deduplication solution by retaining their legacy backup application. They are concerned about the application servers' performance and a long backup window during backups. Which deduplication solution(s) should be recommended to the organization?

Select one of the following:

Explanation

Question 8 of 159

In a virtualized environment, which method enables a virtual machine to be rolled back in case of a logical corruption to the virtual machine?

Select one of the following:

Explanation

Question 9 of 159

What is an accurate statement about VLANs and VSANs in an FCoE environment with an existing FC SAN?

Select one of the following:

Explanation

Question 10 of 159

What is a characteristic of target-based inline deduplication?

Select one of the following:

Explanation

Question 11 of 159

Which Internet of Things (IoT) component is responsible for the automation of operations by applying a force based on the dynamics of data?

Select one of the following:

Explanation

Question 12 of 159

What is a benefit of backing up data to a disk library?

Select one of the following:

Explanation

Question 13 of 159

What is an accurate statement about the function of an archiving server?

Select one of the following:

Explanation

Question 14 of 159

What determines how far back the recovery points can go in a continuous data protection (CDP) solution?

Select one of the following:

Explanation

Question 15 of 159

Which capability does big data analytics provide?

Select one of the following:

Explanation

Question 16 of 159

Which type of LUN provides full control for precise data placement and allows an administrator to create LUNs on different RAID sets if there is workload contention?

Select one of the following:

Explanation

Question 17 of 159

Why is it important for organizations to store, protect, and manage their data?

Select one of the following:

Explanation

Question 18 of 159

Which EMC product is a VNX array-based local replication software that creates a full volume mirror of the source?

Select one of the following:

Explanation

Question 19 of 159

What is an advantage of performing cumulative backups compared to incremental backups for the same data?

Select one of the following:

Explanation

Question 20 of 159

When using the erasure coding technique in an object-based storage system, data is divided into 12 data segments and 4 coding segments. What is the maximum number of disk drive failures against which data is protected by the configuration?

In which stage of the business continuity planning lifecycle does an organization identify critical
business processes and assign recovery priorities?

A Fibre Channel switch has eight ports and all ports must be operational 24x7. However, a
failure of Port 5 occurs on a particular week as follows:

- Monday = 11 AM to 12 PM
- Thursday = 7 AM to 11 AM
- Saturday = 11 AM to 1 PM
What is the availability of Port 5 in that week?

An application generates 8400 small random I/Os at peak workloads with a read/write ratio of
2:1.
What is the disk load at peak activity for a RAID 5 configuration?

An organization plans to deploy a deduplication solution by retaining their legacy backup
application. They are concerned about the application servers' performance and a long backup
window during backups.
Which deduplication solution(s) should be recommended to the organization?

In a virtualized environment, which method enables a virtual machine to be rolled back in case
of a logical corruption to the virtual machine?

What is an accurate statement about VLANs and VSANs in an FCoE environment with an
existing FC SAN?

Which Internet of Things (IoT) component is responsible for the automation of operations by
applying a force based on the dynamics of data?

What determines how far back the recovery points can go in a continuous data protection
(CDP) solution?

Which type of LUN provides full control for precise data placement and allows an
administrator to create LUNs on different RAID sets if there is workload contention?

When using the erasure coding technique in an object-based storage system, data is divided
into
12 data segments and 4 coding segments.
What is the maximum number of disk drive failures against which data is protected by the
configuration?

A company's Finance department needs 200 GB of storage for their business applications.
A LUN is created with 200 GB and RAID 1 is configured to support the applications. If the cost of
storage per GB is $2, what is the chargeback cost to the department for application storage?

In an archiving environment, how is a content address created in a content addressable
storage (CAS) system to store an object?

Which technology is used in the media and entertainment industry to enable content-based
search activity and to create video subtitles using natural language processing?

Which part of the Fibre Channel (FC) frame does the label "X" represent in the exhibit?
https://cdn.goconqr.com/uploads/media/image/31472577/desktop_a2aab2d7-3a0d-484c-b248-f945e266be47.png

Which method does an intrusion detection and prevention system (IDPS) use to identify
intrusions by scanning and analyzing events to detect if they are statistically different from normal
events?