CompTIA Network+ Question B-47

While implementing wireless access points into the network, one building is having connectivity issues due to light fixtures being replaced in the ceiling, while all other buildings’ connectivity is performing as expected. Which of the following should be exchanged on the access points installed in the building with connectivity issues?

A. UTP patch cables
B. Antenna
C. Power adapter
D. Security standard

Correct Answer: B

CompTIA A+ Core 2 Question D-54

Jane, a user, has brought her laptop in for service. She reports that her battery is at 100%, but whenever it is unplugged it immediately shuts down. Which of the following should the technician do?

A. Replace the battery
B. Change power settings to balanced
C. Replace the power adapter
D. Enable APM in the BIOS

CompTIA A+ Question I-86

Which of the following are steps to take before replacing or updating the memory in a laptop? (Select TWO).

A. Unplug the AC power adapter
B. Remove the keyboard and touchpad
C. Separate the screen from the base
D. Remove the battery
E. Remove all of the screws from the bottom of the case

Correct Answer: AD

CompTIA A+ Question G-51

A user reports that a laptop is turning on but the battery is not charging and the laptop power icon indicates it is not plugged in. The user inspects the power adapter; the green light is on and plugged into the laptop. Which of the following is the MOST likely cause of the issue?

A. DC jack
B. CMOS battery
C. LCD inverter
D. Faulty battery

Correct Answer: A

CompTIA A+ Question F-95

Which of the following should be the FIRST items to be removed when replacing the system board on a laptop? (Select TWO).

A. Keyboard
B. Battery
C. LCD
D. Palm rest
E. AC power adapter

Correct Answer: BE

Explanation:
Remove all power sources before opening the first screw on the laptop. Battery is a power source and can pose an electric hazard. So remove the battery and the AC power adapter that charges the battery.

CompTIA A+ Question F-18

A technician is troubleshooting a printer that is displaying a paper jam error message. The technician attempts to clear the jam but there is not any actual paper stuck in the printer. Which of the following is MOST likely causing this problem?

A. Defective sensors
B. Defective rollers
C. Defective power adapter
D. Defective print cartridges

Correct Answer: A