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

Android's open architecture permits APK sideloading, while Apple's iOS enforces App Store distribution by default.

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

Storage and RAM exhaustion are the most common causes of performance degradation and should be checked first.

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

Developer Options exposes USB debugging and diagnostic tools that technicians use for troubleshooting and flashing.

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

Insufficient storage or battery during an iOS update can cause the update to fail or brick the device.

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

Safe Mode disables third-party apps, making it the fastest way to determine if a downloaded app is causing problems.

(CMT) Certified Mobile Tech Practice Test