What is the difference between a Data frame and a QoS-Data frame?

QoS Data frames include a QoS control field

QoS Data frames include a DSCP control field

QoS Data frames include a QoS information element

QoS Data frames include an 802.1Q VLAN tag

QoS Data frames include a QoS control field

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

The Frame Control field contains subfields, and soma in 1-bit flags

Only Control frames have a Frame Control field

The Frame Control field is used to communicate the duration value

The Frame Control field contains subfields, and soma in 1-bit flags

The Frame Control field is always set to 0

A variable Interframe Space introduced by 802.lie to help prioritize medium access for different Access Categories

A medium access method introduced by 802.lln, but never implemented

A variable Interframe Space introduced by 802.lie to help prioritize medium access for different Access Categories

A form of aggregation performed at the PHY layer based on 802.lie UP values interpreted from DSCP values

The shortest period of time a STA can sleep

Where, in a protocol analyzer, would you find an indication that a frame was transmitted as part of an A-MPDU?

The Aggregation flag in the Radio Tap Header

A-MPDU flag in the QoS Control Field

A-MPDU flag in the Frame Control Field

The Aggregation flag in the Radio Tap Header

Which one of the following statements is not true concerning DTIMs?

Every Beacon frame must contain a DTIM

Buffered Broadcast and Multicast traffic will be transmitted following a DTIM

The DTIM interval can dictate when an STA will wake up to listen to beacon frames

DTIM stands for Delivery Traffic Indication Map

Every Beacon frame must contain a DTIM

When would you expect to see a Reassociation Request frame'

Every time a STA associates to an AP to which it has previously been associated

Only when a STA is using FT roaming

Only when a STA roams back to an AP it has previously been associated with

Why would a STA that supports 802.11k Radio Measurement send a Neighbor Request to an AP?

To request a list of neighboring APs which the STA can use as roaming candidates

To learn about neighboring interference sources and tune its RF radio accordingly

To inform the current AP about the STA's intent to roam to a neighboring AP, ensuring a seamless handover

To request a list of neighboring APs which the STA can use as roaming candidates

To request a list of neighboring STAs which enables the STA to better pick the right protection mechanisms

802.11k Neighbor Requests and Neighbor Reports are sent in what type of Management Frames?

Reassociation Request and Reassociation Response

In what scenario is Open Authentication without encryption not allowed based on the 802.11 standard?

When operating a BSS in the 6 GHz band

When operating a BS5 in the CBRS band

When operating a BSS in FIPS mode

When operating a BSS in a government facility

When operating a BSS in the 6 GHz band

How does a VoIP Phone, using WMM Power Save, request data frames buffered at the AP?

The VoIP phone transmits a trigger frame, which is a QoS Null frame or a QoS Data frame

The VoIP phone transmits a PS-Poll frame

The VoIP phone sets the More Data bit in the MAC Header to 1

The VoIP phone transmits a WMM Action frame

The VoIP phone transmits a trigger frame, which is a QoS Null frame or a QoS Data frame

You are analyzing a packet decode of a Probe Request and notice the SSID element has a length of zero. What do you conclude about the transmitting STA?

The STA is discovering a list of available BSSs

The WLAN adaptor is configured in promiscuous mode

The STA is operating in Ad-Hoc mode

The STA's WLAN adaptor is disabled

The STA is discovering a list of available BSSs

What does the value of the Listen Interval field in an Association Request frame indicate?

How often a STA in power save mode wakes up to listen to Beacon frames

How long a STA performing active scanning will listen for Probe Responses before changing channels

How often a STA will go off channel to look for other BSSs

How often a STA in power save mode wakes up to listen to Beacon frames

How long a STA waits for an Ack before retransmitting the frame

CWNP CWAP-404 Practice Test 2 - Free Online Exam Prep & Questions

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