單項選擇題

Users have been complaining that their Frame Relay connection to the corporate site is very slow. The network administrator suspects that the link is overloaded. Based on the partial output of the Router# show frame relay pvc command shown in the graphic, which output value indicates to the local router that traffic sent to the corporate site is experiencing congestion?()

A. DLCI = 100
B. last time PVC status changed 00:25:40
C. in BECN packets 192
D. in FECN packets 147
E. in DE packets 0


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4.單項選擇題What is one reason that WPA encryption is preferred over WEP?()

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B. The access point and the client are manually configured with different WPA key values.
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5.單項選擇題Which additional configuration step is necessary in order to connect to an access point that has SSID broadcasting disabled?()

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