Exam Compass - Mobile OS & Application Troubleshooting Quiz Flashcards
Which of the following answers refers to the most common troubleshooting step used to solve mobile OS and application issues?
Clearing cached data
Performing factory reset
Restarting the phone
Applying system updates
Restarting the phone
To force stop an app means to: (Select 3 answers)
Stop the app from running in the background
Clear the app’s cache & data
Terminate all processes related to the app
Uninstall the app
Stop the app from running in the foreground
Stop the app from running in the background
Terminate all processes related to the app
Stop the app from running in the foreground
Which of the answers listed below refer to the common causes of slow mobile app performance? (Select 3 answers)
Rooting
Outdated software
Network connection problems
Sideloading
Insufficient amount of hardware resources
Outdated software
Network connection problems
Insufficient amount of hardware resources
Causes of mobile OS update failures include:
Network connection problems
Device getting past the end-of-support point
Not enough battery power to complete the update process
Insufficient amount of storage space to perform the update
Any of the above
Any of the above
Which of the following has a negative impact on the mobile device’s battery life?
Using GPS tracking
Turning on Airplane mode
Using adaptive charging features
Draining battery to a very low percentage
Using GPS tracking
Which of the steps listed below might be of help while troubleshooting mobile device random reboots?
Updating OS/apps
Freeing up storage space
Safe mode troubleshooting
Closing (force stopping) unused apps
Lowering the temperature of internal hardware components
Performing factory reset
All of the above
All of the above
A mobile device Bluetooth connectivity issues can be troubleshooted by: (Select all that apply)
Moving device closer to the Access Point (AP)
Turning Bluetooth off and then turning it on again
Restarting connecting devices
Unpairing and then re-pairing the device
Making sure that connecting devices are adequately close to each other
Turning Bluetooth off and then turning it on again
Restarting connecting devices
Unpairing and then re-pairing the device
Making sure that connecting devices are adequately close to each other
Which of the following actions might be of help while troubleshooting WiFi connectivity issues on a mobile device? (Select all that apply)
Unpair and then re-pair the device
Enable the WiFi connectivity on the device
Move the device closer to the wireless router
Restart the wireless router
Make sure that connecting devices are adequately close to each other
Contact the ISP or WiFi network technical support
Enable the WiFi connectivity on the device
Move the device closer to the wireless router
Restart the wireless router
Contact the ISP or WiFi network technical support
Which of the steps listed below might be of help while troubleshooting problems related to contactless payment transactions?
Make sure the phone is awake and unlocked
If used, remove EMF/RFID protective case
Enable NFC in phone settings
Check Internet connection
Verify payment card details and phone number settings
Make sure that connecting devices are touching or nearly touching each other
All of the above
All of the above
Which of the following actions can be used to troubleshoot AirDrop problems? (Select all that apply)
Check Bluetooth connection
Ensure that the Airplane mode is turned off
Make sure that connecting devices are in range
On an Android device, make sure that the “Allow me to be discovered by” option is turned on
Ensure that the Airplane mode is turned on
Check WiFi connection
Check Bluetooth connection
Ensure that the Airplane mode is turned off
Make sure that connecting devices are in range
Check WiFi connection
Thanks to the built-in accelerometer, modern mobile devices have the capability to automatically present landscape or portrait views of the device’s screen based on the way the device is being held. If the screen does not auto-rotate, the easiest step to troubleshoot such problem is to modify appropriate system settings on the device (i.e., turn off Portrait Orientation Lock on Android devices, or turn on Auto-rotate screen setting on Apple devices).
True
False
False
A package file format used by Android OS for distribution and installation of mobile apps is known as:
xap
apk
ipa
exe
apk
Installing mobile apps from trusted sources (e.g., Apple’s App Store for iOS devices, or Google Play for Android devices) decreases malware-related security risks.
True
False
True
What is the name of an iOS/Android feature that provides access to advanced system settings hidden by default from regular users?
Kernel mode
Safe Mode
Recovery mode
Developer mode
Developer mode
The process of granting regular users elevated privileges on an Android-based mobile device is called:
Sideloading
Rooting
Carrier unlocking
Jailbreaking
Rooting
