CMT CMT Mobile OS & Application Management

Question 1

What is the primary difference between iOS and Android regarding app installation from third-party sources?

Accepted Answer

Android allows sideloading APKs; iOS restricts installs to the App Store by default

Answer

Both allow unrestricted third-party installs

Answer

iOS allows sideloading; Android does not

Answer

Neither platform allows third-party installations

Question 2

A customer reports their Android phone is running slowly after installing many apps. What is the FIRST step?

Accepted Answer

Check available storage and RAM usage in device settings

Answer

Perform a factory reset immediately

Answer

Replace the battery

Answer

Update the OS

Question 3

What does 'Developer Options' enable on an Android device that is relevant to technicians?

Accepted Answer

USB debugging, mock locations, and advanced performance monitoring

Answer

Access to the App Store

Answer

Removal of carrier locks

Answer

Full hardware diagnostics only

Question 4

When updating iOS on a customer's device, what should the technician verify first?

Accepted Answer

That the device has sufficient storage and battery charge (at least 50%) before updating

Answer

That the device is connected to 5G

Answer

That all apps have been deleted

Answer

That the SIM card is removed

Question 5

What is the purpose of Safe Mode on Android?

Accepted Answer

It boots the device with only pre-installed apps to isolate third-party app issues

Answer

It encrypts the device storage

Answer

It disables Wi-Fi to save battery

Answer

It resets network settings

Question 6

A customer's app keeps crashing on iOS. What is the recommended first troubleshooting step?

Accepted Answer

Force-close the app and relaunch it, then check for app updates

Answer

Restore the device to factory settings

Answer

Reinstall iOS

Answer

Replace the logic board