单项选择题

A. the IP address of the first Fast Ethernet interfaceB……

If all OSPF routers in a single area are configured with the same priority value,what value dose a router use for the ODPF router ID in the absence of a loopback interface?（）

A. the IP address of the first Fast Ethernet interface
B. the IP address of the console management interface
C. the highest IP address among its active interfaces
D. the lowest IP address among its active interfaces
E. the priority value until a loopback interface is configured

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热门试题

单项选择题Three access ports have been installed and configured to a small office.What term defines the wireless topology?（）

A. IBSS
B. BSS
C. ESS
D. SSID

单项选择题The network administrator cannot to switch 1 over a telnet session,although the hosts attached to switch 1 can ping the interface Fa0 0 of the router.Given the information in the graphic and assuming that the router and switch2 are configured properly,which of the following commands should be issued on switch 1 to correct this problem?（）

A. Switch1(config)# i nterface fa0 /1 Switch1(config-if)# ip address 192.168.24.3.255.255.255.0
B. Switch1 (config)#interface fa0/1 Switch1 (config-if)# switchport mode trunk
C. Switch 1 (config)# i nterface fa0 /1 Switch1 (config-if)# duplex full Switch1 (config-if)# speed 100
D. Switch1 (config-if)# default-gateway 192.168.24.1
E. Switch1 (config)# line con 0 Switch1(config-line)# password cisco Switch1 (config-line)#login

单项选择题You have been asked to come up with a subnet mask that will allow all three web servers to be on the same network while providing the max number of subnets.Which network address and subnet mask meet this requirement?（）

A. 192.168.252.8 255.255.255.248
B. 192.168.252.8 255.255.255.252
C. 192.168.252.16 255.255.255.240
D. 192.168.252.0 255.255.255.252
E. 192.168.252.16 255.255.255.252

单项选择题Which command displays the CHAP authentication process as it occurs between two routers?（）

A. debug authentication
B. debug chap ppp
C. debug chap authentication
D. debug ppp authentication

单项选择题At which layer of the OSI model dose PPP perform?（）

A. Layer 3
B. Layer 4
C. Layer 2
D. Layer 5