CompTIA A+ Question C-81

Which of the following lists the correct non-overlapping channels in 2.4 GHz?

A. 1,6,11
B. 2,4,6,8,10
C. 3,6,9
D. 5,11

Correct Answer: A

CompTIA A+ Question C-80

A customer has a printer that needs to be installed and wants to be able to print on both sides of the paper. Which of the following needs to be considered?

A. Orientation
B. Duplexing
C. Collating
D. Scaling

Correct Answer: B

CompTIA A+ Question C-79

A service call was opened for a thermal printer that has poor print quality. Which of the following should the technician do FIRST?

A. Replace the print head with OEM replacement.
B. Use a cotton swab and alcohol to clean the print head.
C. Use the printer manufacturer’s cleaning kit to clean the print head.
D. Use an industry approved cleaning kit to clean the print rollers.
E. Use the printer manufacturer’s cleaning kit to clean the print rollers.

Correct Answer: C

CompTIA A+ Question C-78

A user with an inkjet printer states that all their color printouts are missing red ink. The inkjet printer has a cartridge for each of the CMYK colors, and the user recently replaced the magenta cartridge. Which of the following should the technician do NEXT?

A. Purchase a maintenance kit
B. Use a different weighted paper
C. Verify printer cables are connected
D. Perform printer head cleaning

Correct Answer: D

Explanation:
http://www.wikihow.com/Clean-Print-Heads

CompTIA A+ Question C-77

During a POST, which of the following is being checked? (Select TWO).

A. A count of available RAM
B. The presence of a functioning CPU
C. The presence of unknown peripherals
D. Integrity of system files
E. Network connectivity

Correct Answer: AB

CompTIA A+ Question C-76

A technician needs to move servers from the storage room. When it comes to personal safety, which of the following should be performed?

A. Use a forklift
B. Use the buddy system
C. Use proper lifting techniques
D. Use proper weight limitations

Correct Answer: C