CompTIA A+ Question I-34

Which of the following MUST be the same when replacing a hard drive in a laptop?

A. The interface type of the existing drive
B. The speed of the new drive
C. The total data capacity of the PC
D. The cache size of the new drive

Correct Answer: A

CompTIA A+ Question I-33

Which of the following ports is used for a secure browser connection for an online purchase?

A. 23
B. 80
C. 110
D. 443 E. 3389

Correct Answer: A

CompTIA A+ Question I-32

A user wants to share access to the Internet from a smartphone to another mobile device. Which of the following Internet connection types should be used?

A. Bluetooth
B. IR
C. Tethering
D. DSL

Correct Answer: C

CompTIA A+ Question I-30

A user would like to install an external optical drive that allows for the largest capacity burning capability with the ability to re-write discs. Which of the following technologies should the technician recommend to the customer?

A. CD-RW
B. JAZ
C. DVD-RW DL
D. BD-RE

Correct Answer: D

CompTIA A+ Question I-29

Which of the following wireless technologies is LEAST likely to be intercepted by a third party?

A. NFC
B. Bluetooth
C. WiFi
D. Cellular

Correct Answer: A

CompTIA A+ Question I-28

Which of the following precautions should be followed when replacing RAM in a laptop computer? (Select TWO).

A. Remove CMOS battery
B. Follow ESD procedures
C. Remove all power
D. Remove CD-ROM drive
E. Check for liquid contamination

Correct Answer: BC

Explanation:
Before replacing a RAM in a laptop, disconnect all power sources. Wait a few minutes and use an ESD wrist strap or a mat for electrostatic discharge.

CompTIA A+ Question I-27

A customer requests a technician to build a Home Server PC with a RAID array. The customer will be using a NAS as a backup system. Which of the following RAID configuration with SATA hard drives would provide the BEST performance?

A. RAID 0
B. RAID 1
C. RAID 5
D. RAID 10

Correct Answer: A