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

A.A WPA key is longer and requires more special characters than the WEP key.
B.The access point and the client are manually configured with different WPA key values.
C.WPA key values remain the same until the client configuration is changed.
D.The values of WPA keys can change dynamically while the system is used.


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1.單項(xiàng)選擇題A router learns about a remote network from EIGRP, OSPF, and a static route. Assuming all routing protocols are using their default administrative distance, which route will the router use to forward data to the remote network?（）

A.The router will use the static route.
B.The router will use the OSPF route.
C.The router will use the EIGRP route.
D.The router will load balance and use all three routes.

2.多項(xiàng)選擇題Which tables of EIGRP route information are held in RAM and maintained through the use of hello and update packets? (Choose two.)（）

A.neighbor table
B.SPF table
C.RTP table
D.topology table
E.query table
F.DUAL table

4.多項(xiàng)選擇題Which two practices help secure the configuration utilities on wireless access points from unauthorized access? (Choose two.)（）

A.assigning a private IP address to the AP
B.changing the default SSID value
C.configuring a new administrator password
D.changing the mixed mode setting to single mode
E.configuring traffic filtering

5.單項(xiàng)選擇題What will an Ethernet switch do if it receives a unicast frame with a destination MAC that is listed in the switch table?（）

A.The switch will not forward unicast frames.
B.The switch will forward the frame to a specific port.
C.The switch will return a copy of the frame out the source port.
D.The switch will remove the destination MAC from the switch table.
E.The switch will forward the frame to all ports except the port on which it was received.