In an 802.11 2.4 GHz system, what 22 MHz channels are considered non-overlapping?

• A.4 and 6
• B.2 and 8
• C.7 and 11
• D.1 and 5

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What 802.11 network configuration would result in multiple stations broadcasting Beacon frames with the same BSSID but with different source addresses?

• A.An IBSS is used instead of a BSS.
• B.A single AP supports multiple BSSs with different SSIDs
• C.An SCA network is in use.
• D.Multiple Aps have been loaded with the same configuration from an image file.

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What feature was introduced in the 802.11h amendment in order to uphold regulatory requirements for 5 GHz operations.

• A.Transmit Power Control (TPC)
• B.Radio Resource Management (RRM)
• C.256-QAM
• D.Distributed Coordination Function (DCF)

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An RF signal sometimes bends as it passes through some material other than free space. What is the term that describes this behavior?

• A.Reflection
• B.Warping
• C.Scattering
• D.Refraction

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

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