What is the most effective method for testing roaming in relation to 802.11 VoIP handsets?

• A.Use a protocol analyzer to capture the traffic generated when a laptop roams
• B.Use a spectrum analyzer to monitor RF activity during a VoIP call
• C.Use the built-in roaming monitor built into all VoIP handsets
• D.Place a call with the handset and move around the facility to test quality during roaming

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What statement is true concerning the use of Orthogonal Frequency Division Multiplexing (OFDM) modulation method in IEEE 802.11 WLANs?

• A.OFDM was first introduced in 802.11a and is used by the ERP, HT and VHT PHYs as well.
• B.OFDM was used by Frequency Hopping Spread Spectrum (FHSS) PHY devices.
• C.OFDM modulation is used only in 5 GHz 802.11 transmissions.
• D.OFDM implements BPSK modulation to allow for data rates up to 7 Gbps.

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A client STA must choose the best AP for connectivity. As part of the evaluation, it must verify compatible data rates. What can the client STA use to verify that an AP supports the same data rates that it supports?

• A.Beacon frames transmitted by the AP
• B.Data frames sent between the AP and current client STAs
• C.Authentication frames transmitted by the other client STAs
• D.Probe request frames transmitted by other client STAs

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When using an RF splitter to connect one transceiver to sector antennas loss is incurred. What is this loss called?

• A.Active loss
• B.Intentional loss
• C.Conversion loss
• D.Through loss

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When a client moves to a new BSS within an ESS, what step is a part of the 802.11 reassociation process?

• A.The current access point informs the IP gateway of the reassociation.
• B.The new access point transmits a Reassociation Response to the client station with a status value.
• C.The current access point triggers the client's reassociation service.
• D.The client station transmits a Reassociation Request frame to its currentaccess point.

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