CompTIA A+ Essentials Free Practice Test – Chapter 1 (136-140)

QUESTION NO: 136
A technician is installing a motherboard that has a 24-pin connector from the power supply to the motherboard. Which of the following devices are the additional four pins used?
A. Extra drives
B. The processor
C. Extra RAM
D. Cooling system
Answer: B

QUESTION NO: 137
Active heat sinks incorporate which of the following into their design?
A. Gas
B. Water
C. Fans
D. Grease
Answer: C

QUESTION NO: 138
A laptop with an integrated 802.11b/g card is unable to connect to any wireless networks. The laptop was previously able to connect to wireless networks. Which of the following is MOST likely the cause of this issue?
A. The wireless card is disabled in BIOS.
B. The wireless card drivers are not installed.
C. The wireless hardware switch is turned off.
D. The wireless card firmware requires an update
Answer: C

QUESTION NO: 139
Which of the following ports would a technician enable ECP?
A. USB
B. LPR
C. COM
D. LPT
Answer: D

QUESTION NO: 140
When trying to secure a password against a brute force attack, which of the following is the MOST important attribute?
A. Upper and lower case characters
B. Length
C. Complexity
D. Difficult to remember
Answer: A

         

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