Which piece of information is not transmitted in an HT PPDU header?
A. Number of Spatial Streams
B. PPDU length
C. MCS index
D. Channel number
Which one of the following is required for Wi-Fi integration in laptop-based Spectrum Analyzer software in addition to the spectrum analysis adapter?
A. An 802.11 wireless adaptor
B. A firmware upgrade for the spectrum analysis adapter
C. A directional antenna
D. SNMP read credentials to the WLAN controller or APs
When performing protocol analysis, you capture an 802.1 lac data frame on channel 52, transmitted at MCS 8. At what data rate was the PHY Preamble transmitted?
A. 54 Mbps
B. 86.7 Mbps
C. 6 Mbps
D. 78 Mbps
You are performing a multiple adapter channel aggregation capture to troubleshoot a VoIP roaming problem and would like to measure the roaming time from the last VoIP packet sent on the old AP's channel to the first VoIP packet sent on the new AP's channel. Which timing column in the packet view would measure this for you?
A. Roaming
B. Relative
C. Absolute
D. Delta
After examining a Beacon frame decode you see the SSID Element has a length of 0. What do you conclude about this frame?
A. The frame is corrupted
B. SSID elements always have a length of 0
C. This is a common attack on WISP backend SQL databases
D. The beacon is from a BSS configured to hide the SSID
A client is operating in an unstable RF environment. Out of five data frames transmitted to the client it only receives four. The client sends a Block Ack to acknowledge the receipt of these four frames but due to frame corruption the Block Ack
is not received by the AP.
Which frames will be retransmitted?
A. All data frames
B. Both the corrupted data and Block Ack
C. Only the data frame which was corrupted
D. Only the Block Ack
What is the function of 802.11 Management frames?
A. Prioritize network administration traffic
B. Communicate configuration changes between WLAN controller and APs
C. Manage the BSS
D. Manage the flow of data
What should the To DS and From DS flags be to set to in an Association Response frame?
A. To DS = 1, From DS = 1
B. To DS - 1, From DS = 0
C. To DS - 0, From DS = 0
D. To DS = 0, From DS = 1