Question 1

What is the purpose of using the auto-brightness feature on a mobile device with an LCD screen?

Accepted Answer

to conserve battery power

Answer

to reduce the interference from sunlight

Answer

to display text messages with better contrast

Answer

to prevent the burn-in effect on the screen

Question 2

Which statement describes the Touch ID in iOS devices?

Accepted Answer

It is the hash value of the user fingerprint.

Answer

It is used as the passcode.

Answer

It is the encryption key set by the user.

Answer

It is used to set the touch screen sensitivity.

Question 3

Which cloud-based storage service does Microsoft provide for backups?

Accepted Answer

OneDrive

Answer

Google Sync

Answer

Dropbox

Answer

iCloud

Question 4

A mobile device user notices that the system update includes an update of the Primary Rate ISDN (PRI). What is the function of the PRI?

Accepted Answer

It is the configuration of the data rates between the device and the cell tower.

Answer

It is the data rate setting of the user account with the carrier service.

Answer

It is the configuration of radio frequencies used on the device.

Answer

It is the configuration information that the device needs to communicate on networks other than the carrier network.

Question 5

A Linux PC user notices that the PC freezes on startup and exhibits kernel panic where there is a stop screen. What is a possible cause for the issue?

Accepted Answer

A driver has become corrupted.

Answer

GRUB has been corrupted.

Answer

LILO has been deleted.

Answer

Deja Dup has been turned off in the system.

Question 6

What command is used to open a text editor in a Linux system?

Accepted Answer

vim

Answer

grep

Answer

ls

Answer

ifconfig

Question 7

Which Linux file system introduced the journaled file system, which can be used to minimize the risk of file system corruption in the event of a sudden power loss?

Accepted Answer

ext3

Answer

NFS

Answer

ext2

Answer

CDFS

Question 8

What is the most commonly used method to close an application that appears to be frozen on an OS X-based computer?

Accepted Answer

Use Force Quit.

Answer

Access the Status menu.

Answer

Access the Notification Center.

Answer

Use Task Manager.

Question 9

Which file system is the primary file system used by Apple in current Macintosh computers?

Accepted Answer

APFS

Answer

HFS+

Answer

ext3

Answer

CDFS

Answer

ext2

Question 10

Which type of hard drive format is commonly performed at the factory where the drive is assembled?

Accepted Answer

low-level

Answer

standard

Answer

EFS

Answer

multifactor

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