CompTIA exam questions
A user attempts to turn on a computer and receives no response. The user calls the technician to report the computer is not booting and a faint smell of something burning. Which of the following tools will BEST help to identify the issue?
A. ESD strap
B. PSU tester
C. Cable tester
D. Loopback plug
Which of the following should be performed when a printer displays “Printer Maintenance Required”?
A. Use the manufacturer’s procedure to satisfy the request.
B. Call the manufacturer and schedule time for remote troubleshooting.
C. Replace the drum cartridge, fuser, and toner cartridges.
D. Inspect, clean, and test the printer.
Which of the following is an example of a MAC address?
A. 192.17.2.1
B. http://www.comptia.org
C. 00-00-00-1B-02-55
D. 4309:FD21:ACB3:0012
A technician notices that the PC is not receiving an IP address. Which of the following tools would the technician use to troubleshoot the computer’s NIC?
A. Loopback plugs
B. ESD mat
C. Cable tester
D. Toner probe
Which of the following networking standards can operate at two different channel widths on the same spectrum simultaneously?
A. 802.11a
B. 802.11b
C. 802.11g
D. 802.11n
Under normal circumstances, which of the following wireless standards provides the slowest transfer speed at 2.4GHz?
A. 802.11a
B. 802.11b
C. 802.11g
D. 802.11n
Which of the following connectors is used to connect a DSL modem to a wall outlet?
A. RJ-45
B. LC
C. RJ-11
D. SC
Which of the following BEST describes the purpose of an inverter in a laptop?
A. Allow for more than two USB devices to access power
B. Convert direct current to alternating current
C. Rotate the image to properly align it with the user
D. Provide power to the backlight of the screen
The term “WAN” is commonly used when describing which of the following networks?
A. Mesh
B. Local Wi-Fi network
C. Internet
D. Ad hoc Wi-Fi network
Which of the following RAID configurations has a single point of failure?
A. 0
B. 1
C. 5
D. 10