单项选择题
根据下图，网络管理员如此配置的RA的原因是？（）
A.让students访问Internet
B.阻止students访问RA的命令提示符
C.阻止管理员访问RA的控制台
D.让administrators访问Internet
E.阻止students访问Internet
F.阻止students访问Admin的网络
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相关考题
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单项选择题
A network administrator is troubleshooing an EIGRP problem on a router and needs to confirm the IP addresses of the devices with which the router has established adjacency. The retransmit interval and the queue counts for the adjacent routers also need to be checkeD.What command will display the required information?（）
A.Router# show ip eigrp adjacency
B.Router# show ip eigrp topology
C.Router# show ip eigrp interfaces
D.Router# show ip eigrp neighbors -
单项选择题
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. -
单项选择题
在使用VLSM技术的网络中使用一个C类的IP地址，以下哪个子网掩码在点对点串行链路中是最不浪费地址空间的？（）
A.255.255.255.0
B.255.255.255.240
C.255.255.255.248
D.255.255.255.252
E.255.255.255.254
