CWNP
CWNA-108 · Question #29
You are reconfiguring an AP to use the short guard Interval. How long will the new guard interval duration be after the change?
The correct answer is A. 400 ns. The HT PHY introduced two guard intervals: 400ns (called short) and 800ns (called long).
802.11 MAC and Physical Layers
Question
You are reconfiguring an AP to use the short guard Interval. How long will the new guard interval duration be after the change?
Options
- A400 ns
- B10 ms
- C800 ns
- D104 ms
How the community answered
(28 responses)- A71% (20)
- B18% (5)
- C4% (1)
- D7% (2)
Explanation
The HT PHY introduced two guard intervals: 400ns (called short) and 800ns (called long).
Topics
#guard interval#short GI#400 ns#OFDM timing
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