多項(xiàng)選擇題

A single 802.11g access point has been configured and installed in the center of a square office. A few wireless users are experiencing slow performance and drops while most users are operating at peak efficiency. What are three likely causes of this problem? (Choose three.) （）

A.mismatched TKIP encryption
B.null SSID
C.cordless phones
D.mismatched SSID
E.metal file cabinets
F.antenna type or direction

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多項(xiàng)選擇題

What are two reasons that a network administrator would use access lists? (Choose two.) （）。

A.to control vty access into a router
B.to control broadcast traffic through a router
C.to filter traffic as it passes through a router
D.to filter traffic that originates from the router
E.to replace passwords as a line of defense against security incursions

單項(xiàng)選擇題

A default Frame Relay WAN is classified as what type of physical network?（）

A.point-to-point
B.broadcast multi-access
C.nonbroadcast multi-access
D.nonbroadcast multipoint
E.broadcast point-to-multipoint

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A single 802.11g access point has been configured and installed in the center of a square office. A few wireless users are experiencing slow performance and drops while most users are operating at peak efficiency. What are three likely causes of this problem? (Choose three.) （）

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What are two reasons that a network administrator would use access lists? (Choose two.) （）。

A default Frame Relay WAN is classified as what type of physical network?（）

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What are two reasons that a network administrator would use access lists? (Choose two.) （）。