Chapter 12 Quiz
What two preventive maintenance tasks should be scheduled to occur automatically? (Choose two.)
checking the disks for bad sectors executing the backup
Which three methods can be used to unlock a smartphone? (Choose three.)
passcode swipe pattern biometric information
What are two types of cloud-enabled services for mobile devices? (Choose two.)
remote backup & locator apps
Match the Linux CLI commands to their function. (Not all options are used.)
rm- removes files man-displays the documentation or a specific command Is-dispalys the fiels inside a directory cd- changes the current directory mkdir- creates a directory under the current directory
a system administrator is using the crontab command to edit an entry on a Linux server. Which service is the administrator configuring?
scheduling a task to run at a specific time and date
A person with an Android mobile device holds down the power button and the volume down button until the device turns off. The person then turns the device back on. What was this person doing to the device?
A Standard Reset of the Device
What are two features of the Android operating system? (Choose two.)
Android has been implemented on devices such as cameras, smart TVs, and e-book readers.
A company is creating a new website to be hosted on a Linux server. The system administrator creates the group "webteam" and assigns team members to it. The administrator then creates the directory "webpages" for storing files. Later that day, one of the team members reports of being unable to create files in the "webpages" directory or subdirectories. The administrator uses the ls -l command to view the file permissions. The result displayed is drwxr-xr--. What should the administrator do to allow team members to add and edit files?
Issue the command chmod 775 -R webpages.
Which feature of an Android or iOS mobile device helps prevent malicious programs from infecting the device?
Mobile device apps are run in a sandbox that isolates them from other resources.
A user presses the Recent Apps icon on an Android-based smartphone to see a list of recently used apps. What should the user do to remove an app from the list?
Swipe the app to either side
a user has an ios device. what will happen if the user forgets the passcode to unlock the device
The user must perform a full restore from a backup saved in iTunes or iCloud.
True or False?Android and OS X are based on the Unix operating system.
True
What three tasks can be done with the iOS device Home button? (Choose three.)
Wake the Device Return to the Home Screen Open Audio Controls
How is the representation of apps in the Windows Phone operating system interface different from the representations used in Android and iOS?
Windows Phone uses rectangles that can display active content and that can also be resized.
Which two location-specific services can the GPS feature on a mobile device offer? (choose two.)
delivering local advertising displaying local weather information
Which two terms describe unlocking Android and iOS mobile devices to allow users full access to the file system and full access to the kernel module? (Choose two.)
jailbreaking & rooting
