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

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?（）

What is the subnetwork address for a host with the IP address 201.100.5.68/28?（）

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?（）

How are VTP advertisements delivered to switches across the network?（）

While troubleshooting a network problem,a technician discovers that the current copy of the Cisco IOS is outdated and needs to be updated.Which of the following commands would the technician issue to replace the Cisco router IOS with the newer version?（）

Which encapsulation type is a Frame Relay encapsulation type that is supported by Cisco routers?（）

When you are troubleshooting an ACL issue on a router,which command can help you to verify which interfaces are affected by the ACL?（）

What is the result of issuing the frame-relay map ip 192.168.1.2 202 broadcast command?（）

Which statement describes the rule of split horizon?（）