You are reconfiguring an AP to use the short guard Interval. How long will the new guard interval duration be after the change?

• A.800 ns
• B.400 ns
• C.10 ms
• D.104 ms

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

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

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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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You are attempting to explain RF shadow and how it can cause lack of coverage. What common building item frequently causes RF shadow and must be accounted for in coverage plans?

• A.Carpeted floors
• B.Elevators
• C.Wooden doors
• D.Cubicle partitions

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You are troubleshooting a client issue on a Windows laptop. The laptop can see and connect to 2.4 GHz APs, but is does not even see 5 GHz APs. While evaluating the issue, you determine that this problem is happening for all of the laptops of this model in the organization. Several other tablets connect on channel 48 and channel
52 in the same work areas. What is the likely problem?

• A.The clients are configured to use WPA and 5 GHz channels only support WPA2.
• B.The client drivers are faulty and should be upgraded.
• C.The antennas in the laptop have insufficient gain to detect the 5 GHz signals.
• D.The access points are configured to disallow 5 GHz.

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