Question 1

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

Options :

A : QoS Data frames include a DSCP control field

B : QoS Data frames include a QoS information element

C : QoS Data frames include an 802.1Q VLAN tag

D : QoS Data frames include a QoS control field

Answer: D

Question 2

What action is taken automatically by 802.11 APs and client STAs as the signal strength of the link weakens in order to improve the quality of the RF communications overall?

Options :

A : Output power is increased

B : RSSI is increased

C : Data rates are reduced

D : Antenna gain is increased

Answer: C

Question 3

What is encrypted within the third message of the 4-Way Handshake?

Options :

A : PMK

B : PTK

C : GMK

D : GTK

Answer: D

Question 4

In a Spectrum Analyzer the Swept Spectrogram plot displays what information?

Options :

A : RF power present at a particular frequency over the course of time

B : Reductions in frame transmissions

C : Wi-Fi Device information

D : The RF time domain

Answer: A

Question 5

You are explaining capacity planning to another engineer assisting you on a WLAN implementation project. As part of the explanation, you provide the following formula: C = B * log2(1 + S/N). What does this formula define?

Options :

A : Bandwidth capabilities of a channel

B : The WEP encryption algorithm

C : Minimum signal strength for a data rate

D : Maximum signal strength of a channel

Answer: A

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