Which one of the following is not a valid reason for an AP to fail a STAs association? A. Requesting station has the wrong PSK B. Does not support the specified authentication algorithm C. AP is unable to handle additional…
How does a VoIP Phone, using WMM Power Save, request data frames buffered at the AP? A. The VoIP phone transmits a PS-Poll frame B. The VoIP phone transmits a trigger frame C. The VoIP phone sets the More Data…
Prior to a retransmission what happens to the CWmax value? A. Reset to 0 B. Doubles and increases by 1 C. Increases by 1 D. Set to the value of the AIFSN
What is an AIFS? A. A form of aggregation performed at the PLCP sub-layer B. The shortest period of time a STA can sleep C. A medium access method introduced by 802.11n, but never implemented D. A variable Interframe Space…
How is the length of an AIFS is calculated? A. AIFSN * Slot Time + SIFS B. SIFS * Slot Time + AIFSN C. DIFS + SIFS + AIFSN D. SIFS + AIFS * Time Unit
Which one of the following is not an 802.11 Management frame? A. Action B. Authentication C. PS-Poll D. Beacon
What should the To DS and From DS flags be to set to in an Association Response frame? A. To DS = 0, From DS = 0 B. To DS = 0, From DS = 1 C. To DS =…
What is the function of 802.11 Management frames? A. Manage the BSS B. Manage the flow of data C. Communicate configuration changes between WLAN controller and APs D. Prioritize network administration traffic
The PLCP sublayer provides framing by adding a header to create what type of data unit? A. MSDU B. MPDU C. PSDU D. PPDU
You are troubleshooting a client that is experiencing slow WLAN performance. As part of the troubleshooting activity, you start a packet capture on your laptop close to the client device. While analyzing the packets, you suspect that you have not…