What component of the 802.11 standard allows stations to reserve access to the RF medium for a specified period of time?

• A.RTS or CTS frames
• B.DTIM Interval
• C.Short guard intervals
• D.Listen Interval
• E.Probe Request frames

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You are implementing a VHT-capable AP. Which one of the following channels is available in the
802.11-2016 standard that was not available before the ratification of 802.11 ac?

• A.144
• B.56
• C.153
• D.161

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

• A.Wi-Fi scanner
• B.Laptop-based spectrum analyzer
• C.Access point spectrum analyzer
• D.Throughput tester

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When implementing PoE, what role is played by a switch?

• A.Power splitter
• B.PSE
• C.PO
• D.Midspan injector

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What primary metric of scanning can stations use to select the best AP for connectivity to the desired BSS?

• A.Throughput speed in Mbps.
• B.Signal strength of AP beacons received.
• C.FCS errors in frames transmitted to and from the AP.
• D.PING latency when testing against an Internet server.

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