CMT CMT Mobile OS & Application Management 3

Question 1

What is the difference between a soft reset and a hard reset on a smartphone?

Accepted Answer

A soft reset restarts the OS without data loss; a hard reset erases all data and returns to factory settings

Answer

Understanding this distinction prevents accidental data loss when performing routine restarts.

Question 2

What is the purpose of Google's Find My Device service from a technician's perspective?

Accepted Answer

It allows remote lock, erase, and location tracking, which technicians must consider before repair

Answer

Technicians need to know if Find My Device is enabled because it affects the ability to perform certain repairs and resets.

Question 3

Apple's Activation Lock is tied to which account?

Accepted Answer

The Apple ID associated with the device

Answer

Activation Lock is tied to the owner's Apple ID and prevents unauthorized use after a wipe.

Question 4

A customer requests that you unlock the bootloader on their Android phone. What should you advise?

Accepted Answer

Unlocking the bootloader voids the warranty, wipes the device, and removes certain security features

Answer

Bootloader unlocking has significant consequences that customers must understand before proceeding.

Question 5

What does OTA stand for in the context of mobile software updates?

Accepted Answer

Over-the-Air, meaning the update is downloaded and installed wirelessly without a PC

Answer

OTA updates allow devices to update their OS or firmware wirelessly without requiring a computer connection.

(CMT) Certified Mobile Tech Practice Test