Which one of the statements regarding the Frame Control field in an 802.11 MAC header is true?

• A.Only Control frames have a Frame Control field
• B.The Frame Control field contains subfields, and some are 1-bit flags
• C.The Frame Control field is used to communicate the duration valued
• D.The Frame Control field is always set to 0

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As it pertains to HT L-SIG TXOP Protection, what statement is true?

• A.Support for L-SIG TXOP Protection is indicated in the HT Capabilities Info field of (re)association request frames sent by ERP, OFDM, and HT-OFDM stations.
• B.Support for L-SIG TXOP Protection is indicated by HT stations in the L-SIG field of the PLCP header of HT-mixed format frames.
• C.An L-SIG TXOP protected frame exchange sequence always begins with an RTS/CTS or a CTS- to-Self.
• D.L-SIG TXOP Protection is specified for the purpose of protecting OFDM (802.11a/g) and HT- OFDM (802.11n) transmissions from HR/DSSS stations.

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When performing protocol analysis, you notice a high number of RTS/CTS frames being transmitted on an HT network. You suspect this may be due to HT protection mechanisms.
Where in the Beacon frame would you look to determine which one of the four HT protection modes the AP is operating in?

• A.HT Protection Element
• B.HT Information Element
• C.HT Operation Element
• D.Non-HT Present Element

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You want to simplify viewing frames of a particular type in Wireshark.
What is used to specify frames for colorization?

• A.Custom code must be written and the binaries recompiled
• B.Automated protocol analysis is used and no additional options may be specified
• C.Filters are used to define the frames that should be colorized
• D.A scripting language is available to modify the code before recompilation

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