Which of the following network devices would BEST be used to replace a hub?
A. Firewall
B. Modem
C. Switch
D. Bridge
CompTIA A+ Question A-53
A printer on the second floor is not printing for anyone. However, the printer has power and displays ready on the LCD display. There is paper in the trays and the toner was recently changed. The system administrator goes to the location with a laptop and tests the network port and is able to connect. Jobs are being queued on the local machines. Which of the following should the system administrator do to get the printer functioning again?
A. Move the printer to a known good port and connect to the network
B. Replace the network cable to the printer
C. Verify the server’s print spooler service is running
D. Attach the printer directly to the laptop and print a test page
CompTIA A+ Question A-52
A keyboard has been replaced on a laptop. Which of the following is the MOST likely cause that the keyboard does not work?
A. The keyboard data cable was not connected properly.
B. The keyboard is not compatible with the laptop.
C. The keyboard needs updated drivers.
D. The keyboard is defective.
CompTIA A+ Question A-51
A user states there are multiple small black dots on an LCD screen. Which of the following should be done to resolve the issue?
A. Replace monitor.
B. Replace video card.
C. Replace video cable.
D. Replace power supply.
CompTIA A+ Question A-50
A customer needs to run several virtual machines on their design workstation to work on cross platform software. Which of the following should be maximized to improve workstation performance? (Select TWO)
A. Cooling fans
B. RAM
C. Number of CPU cores
D. Storage space
E. PCIe slots
CompTIA A+ Question A-49
Which of the following is the purpose of DHCP?
A. Resolves host names to IP addresses
B. Assigns MAC address hosts on a network
C. Resolves host names to MAC addresses
D. Ability to automate the IP schema to hosts
CompTIA A+ Question A-48
Which of the following devices can be used to merge traffic between two different network topologies?
A. Hub
B. Bridge
C. Switch
D. Access point
CompTIA A+ Question A-47
Multicast addresses fall in which of the following classful address ranges?
A. Class A
B. Class B
C. Class C
D. Class D
E. Class E
CompTIA A+ Question A-46
Which of the following is MOST likely to have a physical switch on a laptop that allows it to be turned off without going into the BIOS?
A. External display
B. Webcam
C. Overclocking
D. Wireless
CompTIA A+ Question A-45
Which of the following cable types is commonly used for analog/digital television transmission?
A. UTP
B. CAT3
C. RG-6
D. SC