ISC Exam Questions

Which of the following is a characteristic of 802.11a that is not shared by 802.11 and 802.11b?

The 802.11a standard provides a higher bandwidth than 802.11 and 802.11b. Which of the following is a characteristic of 802.11a that is not shared by 802.11 and 802.11b?

A.
Maximum distance that the wireless device should be from the access point is 25 feet.

B.
It uses TKIP instead of WEB.

C.
It uses the AES algorithm instead of the RC4 algorithm.

D.
It increases the keying material for encryption.

Explanation:
802.1x provides port authentication, which means that all traffic is
restricted until the user is properly authenticated. 802.1x does not have anything
to do with encryption. Extensible Access Protocol (EAP) extends the types of
authentication types.