Posted by: Pdfprep
Post Date: October 30, 2020
Which statement best describes the ability of a wireless client to access and transmit a data frame to an AP?
A . The client listens to the media until polled by the AP using PCF to send its data.
B . The client listens to the media until a data frame is finished, at which time it transmits, unless a collision of data frames has occurred.
C . The client uses random countdown timers to start the transmission of a data frame.
D . The client listens to the media and countdown timers to start the transmission of a data frame.
Answer: D
Explanation:
http://www.ciscopress.com/articles/article.asp?p=1271797&seqNum=2