An engineer must configure the virtual IP address on multiple controllers in a mobility group. Which rule must the engineer follow to ensure proper roaming?

• A.Ensure that the DNS entry is tied to the virtual IP address of the WLC.
• B.Use a unique IP address for each WLC.
• C.Ensure that the DNS Host Name field is defined.
• D.Use the same IP address for each WLC.

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What is the attenuation value of a human body on a wireless signal?

• A.3 dB
• B.4 dB
• C.6 dB
• D.12 dB

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An engineer has performed a predictive site survey for high-speed data and voice in an indoor office. What is the recommended data rate with −67 dBm signal level for optimal VoWLAN design?

• A.6 Mbps on 802.11 bgn
• B.24 Mbps on 802.11 bgn
• C.12 Mbps on 802.11 an
• D.24 Mbps on 802.11 an

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Why is 802.11a connectivity reduced in an X-ray room?

• A.X-rays impact the 802.11a UNll-2 channels Vial cause access points to dynamically change channels.
• B.X-rays create significant non-Wi-Fi interference on the 802.11a band
• C.X-rays within these rooms cause multipath issues.
• D.X-ray rooms exhibit increased signal attenuation

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A customer is concerned about mesh backhaul link security. Which level of ecnryption does the backhaul link use?

• A.AES
• B.WEP
• C.3DES
• D.hash

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