| Exam 200-355 | Question id=2422 | 802.11 Technology Fundamentals |
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. |