CompTIA A+ Certification 220-1001: The Total Course - Maintaining Mobile Devices

What is a key difference between GSM and CDMA phones?

• CDMA phones are only used in Asia.

• GSM phones use SIM cards, while CDMA phones do not.

• CDMA phones are more popular in Europe.

• GSM phones require more frequent updates.

What is the primary purpose of firmware updates on CDMA phones?

• To update the operating system and drivers stored on ROM

• To improve battery life

• To install new apps

• To change the phone's appearance

What is the PRL in CDMA phones?

• Personal Roaming Locator

• Preferred Roaming List

• Primary Radio Link

• Phone Reset Log

How do GSM phones typically handle updates?

• Users must manually download updates from a website.

• Updates are sent automatically to the phone.

• GSM phones require updates to be installed by a technician.

• Updates are not necessary for GSM phones.

What does the IMEI number represent?

• The phone's battery capacity

• The phone's software version

• The phone's unique identity

• The user's subscription details

What is the role of the IMSI number?

• Identifies the phone's hardware

• Tracks the phone's location

• Stores the phone's firmware

• Identifies the mobile subscriber

What is essential for setting up a VPN on a mobile device?

• The phone's IMEI number

• The server's IP address

• The user's email address

• The phone's battery level

What is a key benefit of enabling remote backups on mobile devices?

• Protects data from loss

• Saves storage space

• Increases phone speed

• Improves battery life

Why is antivirus generally considered unnecessary on iOS devices?

• iOS devices cannot get viruses

• Apple's store has strict control over apps

• iOS devices have built-in antivirus

• Antivirus software is too expensive

What is a potential risk when installing apps from outside the Android store?

• The app could contain malware

• The app will not update automatically

• The app may not work

• The app will be more expensive