CompTIA A+ Essentials Free Practice Test – Chapter 1 (51-55)
CompTIA A+ Essentials Free Practice Test and Practice Exam – Chapter 1
QUESTION NO: 51
Which of the following cables can be used to directly connect a laptop to a PC for ICS?
A. IEEE 1394 cable
B. CAT5 crossover cable
C. CAT5e patch cable
D. Parallel cable
QUESTION NO: 52
A user reports a problem with a PC located in the same room as cement testing equipment. The room has adequate cooling. The PC will boot up but locks up after 5 to 10 minutes of use. After a lockup, it will not reboot immediately.
Which of the following is the MOST likely problem?
A. The PC air intakes are clogged with cement dust.
B. The PC has a virus.
C. The power supply is underrated for the electrical load of the PC.
D. The CPU heat sink underrated for the CPU.
QUESTION NO: 53
Which of the following is commonly used to restrict access to a network, based on the physical hardware address of the client’s network device?
A. DHCP settings
B. MAC filtering
C. SSID broadcast
D. WEP key
QUESTION NO: 54
Which of the following should be done FIRST when identifying and troubleshooting a problem?
A. Question the user and identify any user changes to the computer.
B. Establish a theory of probable cause.
C. Establish a plan of action to resolve the problem and implement the solution.
D. Test the theory to determine cause.
QUESTION NO: 55
Which of the following protocols is used to connect to a secure Internet website?
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