CompTIA A+ Question I-37

Which of the following Internet connection types would be MOST commonly used by a customer who travels frequently?

A. ISDN
B. Satellite
C. Cellular
D. Line of site wireless

Correct Answer: C

Explanation:
http://en.wikipedia.org/wiki/Cellular_network

CompTIA A+ Question I-37

Which of the following should a technician check FIRST on the laptop if the system’s battery is not being charged?

A. CMOS battery
B. DC-in jack
C. AC-in jack
D. Breaker for the wall jack

Correct Answer: B

Explanation:
Check DC-in jack. If the laptop battery is not charging, the first thing to do is to check DC-in and see if it is seated properly.

CompTIA A+ Question I-37

Which of the following components of a motherboard is responsible for communications between CPU and RAM?

A. North Bridge
B. South Bridge
C. PCIe slot
D. CMOS battery

Correct Answer: A