單項(xiàng)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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1.單項(xiàng)選擇題On the network 131.1.123.0/27, what is the last IP address that can be assigned to a host?()

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2.單項(xiàng)選擇題All WAN links inside the ABC University network use PPP with CHAP for authentication security. Which command will display the CHAP authentication process as it occur between two routers in the network?()

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4.單項(xiàng)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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D. The values of WPA keys can change dynamically while the system is used.

5.單項(xiàng)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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B. Configure open authentication on the AP and the client.
C. Set the SSID value on the client to the SSID configured on the AP.
D. Configured MAC address filtering to permit the client to connect to the AP.

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