CompTIA Security+ Question F-17

A security analyst has been tasked with securing a guest wireless network. They recommend the company use an authentication server but are told the funds are not available to set this up.
Which of the following BEST allows the analyst to restrict user access to approved devices?

A. Antenna placement
B. Power level adjustment
C. Disable SSID broadcasting
D. MAC filtering

Answer: D

Explanation:
A MAC filter is a list of authorized wireless client interface MAC addresses that is used by a WAP to block access to all unauthorized devices.

CompTIA Security+ Question F-8

A security team has identified that the wireless signal is broadcasting into the parking lot. To reduce the risk of an attack against the wireless network from the parking lot, which of the following controls should be used? (Select TWO).

A. Antenna placement
B. Interference
C. Use WEP
D. Single Sign on
E. Disable the SSID
F. Power levels

Answer: A,F

Explanation:
Placing the antenna in the correct position is crucial. You can then adjust the power levels to exclude the parking lot.

CompTIA Security+ Question E-44

An organization does not want the wireless network name to be easily discovered. Which of the following software features should be configured on the access points?

A. SSID broadcast
B. MAC filter
C. WPA2
D. Antenna placement

Answer: A

Explanation:
Numerous networks broadcast their name (known as an SSID broadcast) to reveal their presence.

CompTIA Security+ Question D-61

Which of the following allows Peter, a security technician, to provide the MOST secure wireless implementation?

A. Implement WPA
B. Disable SSID
C. Adjust antenna placement
D. Implement WEP

Answer: A

Explanation:
Of the options supplied, WiFi Protected Access (WPA) is the most secure and is the replacement for WEP.

CompTIA Security+ Question A-98

Which of the following would Peter, a security administrator, do to limit a wireless signal from penetrating the exterior walls?

A. Implement TKIP encryption
B. Consider antenna placement
C. Disable the SSID broadcast
D. Disable WPA

Answer: B

Explanation:
Cinderblock walls, metal cabinets, and other barriers can reduce signal strength significantly. Therefore, antenna placement is critical.