You are reconfiguring an AP to use the short guard interval. How long will the new guard interval du

You are reconfiguring an AP to use the short guard interval. How long will the new guard interval duration be after the change?

A. 400 ns

B. 10 ms

C. 800 ns

D. 104 ms

Reference https://www.sonicwall.com/en-us/support/knowledge-base/170504672960493