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Question 1

The requirements for a WLAN you are installing state that it must support unidirectional delays of less than 150 ms and the signal strength at all receivers can be no lower than -67 dBm. What application is likely used that demands these requirements?

Options :

A : VoIP

B : E-Mail

C : RTLS

D : FTP

Answer: A

Question 2

You are performing a post-implementation validation survey. What basic tool can be used to easily locate areas of high co-channel interference?

Options :

A : Laptop-based spectrum analyzer

B : Access point spectrum analyzer

C : Throughput tester

D : Wi-Fi scanner

Answer: B

Question 3

What statement about the IEEE 802.11-2016 QoS facility is true?

Options :

A : 802.11 control frames are assigned to the 802.11 EF priority queue

B : When the Voice queue has frames awaiting transmission, no data will be transmitted from the Best Effort queue.

C : Four 802.1p user priorities are mapped to eight 802.11 transmit queues.

D : 802.11 QoS is achieved by giving high priority queues a statistical advantage at winning contention.

Answer: D

Question 4

Which statement correctly describes an ad hoc wireless network?

Options :

A : It is referred to as an IBSS.

B : It has a maximum connectivity range of 1000 meters.

C : It requires an AP.

D : It uses multiple wireless frequencies.

Answer: A

Question 5

You are evaluating access points for use in the 5 GHZ frequency band. What PHY supports this band and supports 80 MHz channels?

Options :

A : HT

B : VHT

C : OFDM

D : ERP

Answer: B