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Chapter 8 Review

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Question 1 of 22

1

What is a good source for safely downloading Android apps?

Select one of the following:

the Apple App Store
iTunes
freeware sites
Google Play

Explanation

Question 2 of 22

1

What two functions can be performed with the home button on an iOS mobile device? (Choose two.)

Select one or more of the following:

lock the device
the same functions as the Android navigation buttons
start voice control
reset the device to the factory default
start the TouchFLO interface

Explanation

Question 3 of 22

1

What are two potential user benefits of rooting or jailbreaking a mobile device? (Choose two.)

Select one or more of the following:

A custom OS may reduce sandboxing features.
The operating system can be fine-tuned to improve the speed of the device.
The operation of the carrier cellular network may be affected.
The user interface can be extensively customized.
The root directory of the device is blocked.

Explanation

Question 4 of 22

1

What are two purposes of the passcode lock feature on mobile devices? (Choose two.)

Select one or more of the following:

to erase all personal data from the device
to remotely lock the device if it is stolen
to return the device to the default factory state
to place the device into a power saving state
to restore and re-synchronize the device
to help prevent theft of private information

Explanation

Question 5 of 22

1

What is an advantage of using flash memory to store data in mobile devices?

Select one of the following:

Flash memory has a drive head that moves, reducing the seek time to locate data.
Flash memory requires very little power to store and retrieve data.
Flash memory is not affected by ESD.
Flash memory is highly resistant to water and cold.

Explanation

Question 6 of 22

1

What are two touchscreen characteristics that are used by most mobile devices? (Choose two.)

Select one or more of the following:

an electrical field of the screen that is interrupted when the user touches the screen
three layers responsible for conducting electricity with a small air gap between them
a glass screen that is coated with a capacitor
two transparent layers of material capable of conducting electricity
two colored layers of material capable of conducting electricity

Explanation

Question 7 of 22

1

Which component is field-replaceable in most mobile devices?

Select one of the following:

memory card
RAM
touchscreen
CPU

Explanation

Question 8 of 22

1

Which mobile device troubleshooting procedure is correct?

Select one of the following:

When a problem appears with a mobile device, the owner should analyze if it is cost-effective to fix it.
Mobile devices change so rapidly in design and functionality it is always better to replace the device rather than repair it.
Mobile device problems always result in sending the device to the manufacturer for troubleshooting.
Every time a mobile devices freezes, the owner can reinitialize it by pressing the reset button.

Explanation

Question 9 of 22

1

A user accidentally drops a mobile device into a pool. What corrective action should be taken?

Select one of the following:

Contact the manufacturer for repair or replacement.
Use a hair dryer to dry the phone.
Open the device and replaced damaged components
If the mobile device does not turn on, throw it away and buy a new one.

Explanation

Question 10 of 22

1

After being left in a car for many hours on a hot day, an iPhone cannot be turned on. What should the user do to fix this problem?

Select one of the following:

Buy a new power button and replace it.
Disassemble the phone and look for heat related damage.
Return the phone to the manufacturer for repair.
Place the phone in a refrigerated space and allow the unit to cool down.

Explanation

Question 11 of 22

1

After an upgrade to a mobile device, some applications are no longer working, but some work fine. The user can make calls and send and receive email. Which two kinds of problems could be related to these issues? (Choose two.)

Select one or more of the following:

a software problem
a touchscreen problem
a cell service problem
a circuit board problem
a memory problem

Explanation

Question 12 of 22

1

Which scenario or situation would prevent a user from upgrading the OS on an Android device?

Select one of the following:

The software copyright was not obtained before the installation.
The correct patches were not installed.
The hardware does not meet specifications.
Permission was not obtained from the manufacturer.

Explanation

Question 13 of 22

1

Which two conditions must be met for mobile device security measures such as remote lock and remote wipe to function? (Choose two.)

Select one or more of the following:

The GPS locator must be enabled.
The passcode must be disabled.
Sandboxing must be enabled.
The device must be powered on.
The device must be connected to a network.

Explanation

Question 14 of 22

1

Which two items common to both Android and iOS devices can be remotely backed up? (Choose two.)

Select one or more of the following:

photos
settings
contacts
calendar
messages

Explanation

Question 15 of 22

1

Which statement is true about wireless connectivity on an Android mobile device?

Select one of the following:

If the network SSID is not being broadcast, the device will not be able to connect to the network.
When the device roams out of the range of any Wi-Fi networks, it can connect to the cellular data network if this feature is enabled.
The Android OS does not support wireless connectivity that uses WPA2 security.
If a Wi-Fi network is secured with a password, the network must be manually configured on the device.

Explanation

Question 16 of 22

1

just remember the image

Select one of the following:

pick this one
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Explanation

Question 17 of 22

1

In the context of mobile devices, what does the term tethering involve?

Select one of the following:

connecting a mobile device to a USB port on a computer in order to charge the mobile device
connecting a mobile device to a hands-free headset
connecting a mobile device to another mobile device or computer to share a network connection
connecting a mobile device to a 4G cellular network

Explanation

Question 18 of 22

1

Which statement is true about industry standards for cellular networks?

Select one of the following:

First generation cellular standards are mostly digital standards.
Third generation cellular standards require a maximum of 1 Gb/s for devices moving slowly, such as when a user has a mobile device and is walking.
Cellular standards have made it more difficult and expensive to make calls to people that are on a different network.
Cell phones that use a single standard can often only be used in specific geographic areas.

Explanation

Question 19 of 22

1

Which statement about synchronizing a mobile device to a PC is true?

Select one of the following:

To synchronize data on an iOS device, iTunes must be installed on the PC.
Motocast USB can be used to synchronize data when using an iOS device.
iOS synchronization can only be performed over a USB connection.
Data on Android devices cannot be synchronized with a PC.

Explanation

Question 20 of 22

1

A technician is configuring email on a mobile device. The user wants to be able to keep the original email on the server, organize it into folders, and synchronize the folders between the mobile device and the server. Which email protocol should the technician use?

Select one of the following:

MIME
POP3
SMTP
IMAP

Explanation

Question 21 of 22

1

Which mobile device security feature requires the user to slide a finger over the screen in a specific sequence to unlock the device?

Select one of the following:

simple passcode
pattern
remote wipe
slide

Explanation

Question 22 of 22

1

Which term describes the ability of a mobile device to recognize when two or more points of contact are made on the screen?

Select one of the following:

large touch
many touch
multitouch
long touch

Explanation