CompTIA A+ Certification Core 1 (220-1101) - Maintaining Mobile Devices

The video tutorial covers maintaining Apple and Android devices, focusing on differences between CDMA and GSM phones. It explains the importance of firmware and PRL updates for CDMA phones and the update processes for GSM phones. The tutorial also discusses the significance of IMI and IMEI numbers, setting up VPNs on Android devices, and the importance of remote backups. Finally, it addresses antivirus and firewall considerations for both Android and iOS devices.

What is a key difference between CDMA and GSM phones?

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

• Both CDMA and GSM phones use SIM cards.

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

• Neither CDMA nor GSM phones use SIM cards.

What is the primary purpose of updating the PRL on a CDMA phone?

• To improve camera quality

• To enhance connectivity and roaming capabilities

• To add new apps

• To increase battery life

Why is it important to keep your phone's OS and firmware updated?

• To ensure the phone is waterproof

• To maintain optimal performance and security

• To increase screen brightness

• To improve the phone's color display

What does the IMEI number represent?

• The phone's software version

• The phone's hardware identity

• The phone's battery capacity

• The user's subscription plan

What is a crucial step in setting up a VPN on a mobile device?

• Disabling Wi-Fi

• Knowing the server's IP address

• Installing a new SIM card

• Changing the phone's wallpaper

Where are Android backups typically stored?

• Google Drive

• Local storage

• Dropbox

• OneDrive

Why is antivirus software generally considered unnecessary on iOS devices?

• iOS devices have no storage

• iOS devices are not popular

• iOS devices have no internet access

• Apple's strict app store policies

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

• Improved battery life

• Increased storage space

• Exposure to malware

• Faster internet speed

What is the role of a host-based firewall on a mobile device?

• To enhance audio output

• To increase screen brightness

• To protect against unauthorized access

• To improve camera quality

What is the main advantage of using a trusted app store?

• Increased battery life

• Reduced risk of malware

• Guaranteed app updates

• Access to free internet