CompTIA A+ Essentials Free Practice Test – Chapter 1 (21-25)

CompTIA A+ Essentials Free Practice Test and Practice Exam – Chapter 1

QUESTION NO: 21
Which of the following differentiates between passive and active cooling?
A. Active cooling allows heat to be transferred to a heat sink and distributed in a radiant fashion.
B. Passive cooling allows heat to be radiated away from the CPU by dispersion.
C. Active cooling does not require a thermal compound to sit between the CPU and the heat sink.
D. Passive cooling occurs when cool air or a liquid medium is passed across a surface of the CPU.
Answer: B

QUESTION NO: 22
A user states that their laptop is not working. A technician determines the laptop is booting. But there is no image on the LCD Next, the technician plugs an external monitor into the laptop and it functions correctly. Which of the following should the technician do NEXT in troubleshooting this issue?
A. Reload the LCD drivers.
B. Check the alternate display switch.
C. Replace the LCD.
D. Check the back light is functioning correctly.
Answer: B

QUESTION NO: 23
Which of the following security measures ensures an unauthorized user cannot boot to the OS
without physical case?
A. Kerberos authentication
B. BitLocker encryption
C. BIOS password
D. Disabling USB ports
Answer: C

QUESTION NO: 24
In Windows Vista, in order to create a spanned volume, the additional disk(s) MUST.
A. Have unallocated space
B. Be compressed
C. Be encrypted
D. Contain the operating system
Answer: A

QUESTION NO: 25
Which of the following interfaces would a technician use the launch IPCONFIG from?
A. MMC
B. Control Panel
C. Command Prompt
D. Task Manager
Answer: C

         

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