CompTIA A+ Question A-34

A user has received an error message when connecting to the wireless network. The error indicates the IP address being used by the user’s system is already in use. A DHCP server is used on the network. After having the user disconnect from the wireless network, the technician is still able to ping the user’s IP address. Which of the following is MOST likely the cause?

A. The user has a statically assigned IP address in the DHCP server scope.
B. The system’s local firewall is blocking SYN/ACK traffic from the DHCP server.
C. The DHCP server’s scope has been exhausted and no additional IP addresses are available.
D. The user is also connected to the wired network with a LAN cable.

Correct Answer: A

CompTIA A+ Question A-33

A laptop has a network port that is not working consistently and wireless is out of range. Which of the following would the technician do to quickly get the laptop back on the wired network?

A. Use a USB to RJ-45 dongle
B. Enable Bluetooth
C. Enable NIC teaming
D. Replace the motherboard

Correct Answer: A

CompTIA A+ Question A-32

A technician is attempting to salvage an old laptop for further use. Which of the following parts are MOST likely to be considered upgradeable in a laptop? (Select TWO).

A. Motherboard
B. Memory
C. Hard drive
D. Screen
E. Video card

Correct Answer: BC

CompTIA A+ Question A-29

A technician needs to configure a computer system for MAXIMUM safety of stored data while staying cost effective. Which of the following RAID levels should be used?

A. RAID 0
B. RAID 1
C. RAID 3
D. RAID 5

Correct Answer: B

CompTIA A+ Question A-28

A technician is not able to boot to Windows OS. A “Non-bootable device found” message appears on the screen when the computer restarts. Which of the following is the MOST possible cause of the error message?

A. MBR is corrupt on the HDD.
B. HDD is set to Cable Select.
C. The operating system is corrupt.
D. A bootable HDD is not recognized in the BIOS.

Correct Answer: D

CompTIA A+ Question A-27

Which of the following is the MAXIMUM number of unique IP addresses on an IPv4 Class A network?

A. 254
B. 65 Thousand
C. 16.3 Million
D. 340 Trillion

Correct Answer: C