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CompTIA A+ Certification Exam (JK0-802) Sample Questions:

1. A technician would like to ensure all previous data is erased before reloading Windows 7
Home Premium onto a laptop. Which of the following procedures would accomplish this?

A) Full format
B) Virtual RAID configuration
C) Quick format
D) New partition

2. Which of the following should a technician implement to prevent external contractors from physically plugging devices into the company's network jacks unless such jacks are designated for guest use?

A) Enable MAC address filtering across all network jacks and record the MAC address of guest devices.
B) Place guest network jacks in public areas and all other jacks in secure areas as needed.
C) Disable DHCP and assign a static IP address to each network device physically connected to the network.
D) Disable all switch ports when they are not utilized and enable them on an as needed basis.

3. A user will be installing a switch in a public location and will allow the six users in the office to connect to it with CAT6 Ethernet. Which of the following actions would BEST ensure that there is no unauthorized access to the switch?

A) Assign static IP addresses
B) Disable new VLANS
C) Disable PoE
D) Disable unused ports

4. A user states that they cannot connect to the network or the Internet. The technician determines the issue is that the computer has a static IP address and needs to use DHCP to work correctly. The technician sets the NIC to automatically assign an IP address. Which of the following should the technician perform NEXT?

A) They need to annotate what the static IP address was and inform the employee's manager
B) Identify the type of network card and what Operating System the computer is running
C) They need to determine why the NIC was assigned a static IP address
D) Confirm the computer is back on the network and has Internet connectivity

5. When comparing an ATX 20-pin power cable to an ATX 24-pin power cable, which of the following voltage values is found on the four extra pins?

A) +5v, -5v, +12v, and ground
B) +3.3v, +5v, +12v, and ground
C) +3.3v, -5v, +12v, and ground
D) +3.3v, +5v, and two grounds

Solutions: