Which of the following wireless standards can operate on the same frequency but are not
compatible?
A.
802.11a / 802.11b
B.
802.11a / 802.11n
C.
802.11b / 802.11g
D.
802.11g / 802.11n
Get 50% Discount on All Your Purchases
at PrepAway.com - Latest Exam Questions
This is ONE TIME OFFER
50%
N is backwards compatible with A. When an A device connects to an N AP, the AP enters a “protection mode” and all devices in the service set use a preamble the A device can understand so it can reset its NAV timer to avoid collisions. This only valid if the N AP is in Greenfield Mode with A support disabled.
0
0