In the 2.4 GHz band, what data rate are Probe Requests usually sent at from an unassociated STA?

A. The minimum basic rate

B. 1 Mbps

C. 6 Mbps

D. MCS 0

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

Which one of the these is the most important in the WLAN troubleshooting methodology among those listed?

A. Interview the network manager about the issues being experienced

B. Talk to the end users about their experiences

C. Observe the problem

D. Obtain detailed knowledge of the wireless vendors debug and logging options

Protocol analyzers may present field values in either binary, decimal or hexadecimal. What precedes a hexadecimal value to indicate it is hexadecimal?

A. 0x

B. %

C. HEX

D. 16x

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 should be the first step when troubleshooting a WLAN issue?

A. Identify capture locations

B. Identify probable causes

C. Perform an initial WLAN scan and see if any obvious issues stand out

D. Define the problem

When performing protocol analysis, you capture an 802.11ac data frame on channel 52, transmitted at

MSC 8.

At what data rate was the PHY Preamble transmitted?

A. 54 Mbps

B. 6 Mbps

C. 86.7 Mbps

D. 78 Mbps

Which one of the following statements describes the function of WMM Admission Control?

A. APs guarantee Voice and Video access categories priority over the WLAN medium

B. APs control access to the wireless medium by polling STAs for data packets

C. APs regulate the available bandwidth in an attempt to provide a guarantee of the amount of time that a STAhas available to access the channel

D. Provides a new 802.11 Authentication method for Voice devices

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 captured all packets transmitted by the client. By analyzing the trace file, how can you confirm if you have missing packets?

A. Look for gaps in the sequence number in MAC header

B. Protocol Analyzers show the number of missing packets in their statistics view

C. Retransmission are an indication of missing packets

D. The missing packets will be shown as CRC errored packets