Free CWAP-403 Exam Dumps

What is the function of the PMD sub-layer?

A. Converts 1s and 0s given to it by the PLCP sub-layer into the appropriate RF signals
B. Provides framing
C. Adds a PHY preamble and header to a PSDU
D. Performs A-MPDU

Correct Answer:A

What is the function of 802.11 Management frames?

Correct Answer:C

How does a VoIP Phone, using WMM Power Save, request data frames buffered at the AP?

Correct Answer:B

Why would a STA that supports 802.11k Radio Measurement send a Neighbor Request to an AP?

A. To learn about neighboring interference sources and tune its RF radio accordingly
B. To inform the current AP about the STA’s intent to roam to a neighboring AP, ensuring a seamless handover
C. To request a list of neighboring APs which the STA can use as roaming candidates
D. To request a list of neighboring STAs which enables the STA to better pick the right protection mechanisms

Correct Answer:C

A PHY Header is added to the PSDU at which sub-layer?

Correct Answer:C
The PLCP adds a preamble and PHY header to the PSDU.