Certified Wireless Analysis Professional v1.0

What is the maximum number of client stations that can receive concurrent OFDMA transmissions from an 802.11ax AP in a 20 MHz channel?

After investigating the WMM element in a Beacon Frame you notice the TXOP Limit for the Best Effort access category is set to 0. What does this indicate?

Which one of the following devices typically has a 100% duty cycle?

ABC corporation has an 802.11n wireless network and advertises 3 SSIDs on all APs: Corporate, Guest, and BYOD. Both the Guest and the BYOD networks broadcast their SSIDs but the corporate SSID is hidden. A client transmits a Wildcard\Any Probe Request frame on channel 36. From the client’s location it can decode beacons frames from two of the organization’s APs operating on channel 36. How many Probe Response frames would you expect this client to decode from ABC corporation’s APs?

In which field of the MAC header would you find the protected bit and retry bit?

Protocol analyzers require the installation of a customized driver to place a USB adapter into which mode that allows capture of all wireless frames on the channel?

When using WMM Power Save (WMM-PS), a client requests buffered data frames by sending which type of frame?

Which value does not change per EDCA Access Category?

A STA utilizing DCF for medium access, that has been waiting for the medium to become free, must wait for which interframe space following the ACK of the previous frame transmission?

Which part of a QoS Data frame can be used to advertise its QoS priority?

After a successful 802.11ac network deployment you are performing a packet capture and notice many RTS/CTS frames in your trace file regardless of the AP or BSS. Which of the following is the most likely reason for these RTS/CTS frames?

Which bit in a neighboring BSS’s Beacon frame will trigger an AP to enable protection mechanism?

The MAC sublayer references the data unit received from the LLC sublayer as what?

You are using a protocol analyzer to troubleshoot a network and you notice a client frequently sending QoS Null Function frames. What do you conclude?