640-802 試験問題を無料オンラインアクセス

The network 172.25.0.0 has been divided into eight equal subnets. Which of the following IP addresses can be assigned to hosts in the third subnet if the ip subnet-zero command is configured on the router? (Choose three.)

• A.172.25.72.0
• B.172.25.78.243
• C.172.25.94.255
• D.172.25.100.16
• E.172.25.98.16
• F.172.25.96.17

Refer to the graphic. Computer 1 is consoles into switch A.Telnet connections and pings run from the command prompt on switch A fail. Which of the following could cause this problem?

• A.Switch A does not have an IP address.
• B.switch A is not directly connected to router JAX
• C.port 1 on switch A should be an access port rather than a trunk port
• D.switch A dose not have a cdp entry for switch B or router JAX
• E.switch A does not have a default gateway assigned

A network administrator needs to configure a serial link between the main office and a remote location. The router at the remote office is a non-Cisco router. How should the network administrator configure the serial interface of the main office router to make the connection?

• A.Main(config)# interface serial 0/0 Main(config-if)#ip address 172.16.1.1 255.255.255.252 Main(config-if)#encapsulation frame-relay Main(config-if)# authentication chap Main(config-if)# no shut
• B.Main(config)# interface serial 0/0 Main(config-if)#ip address 172.16.1.1 255.255.255.252 Main(config-if)#encapsulation PPP Main(config-if)# no shut
• C.Main(config)# interface serial 0/0 Main(config-if)#ip address 172.16.1.1 255.255.255.252 Main(config-if)# no shut
• D.Main(config)# interface serial 0/0 Main(config-if)#ip address 172.16.1.1 255.255.255.252 Main(config-if)#encapsulation ietf Main(config-if)# no shut

It has become necessary to configure an existing serial interface to accept a second Frame Relay virtual circuit. Which of the following procedures are required to accomplish this task? (Choose three.)

• A.create the virtual interfaces with the interface command
• B.encapsulate the physical interface with multipoint PPP
• C.configure each subinterface with its own IP address
• D.configure static frame relay map entries for each subinterface network.
• E.disable split horizon to prevent routing loops between the subinterface networks
• F.remove the ip address from the physical interface

Refer to the exhibit.

Which user-mode password has just been set?

• A.Console
• B.Auxiliary
• C.Telnet
• D.SSH