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?（）

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?（）

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

What is the purpose of the cisco Vlan Trunking protocol?（）

Which command encrypts all plaintext passwords?（）

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

An employee of ABC company has move to an office on a different floor. Although the administrator is able to telnet to all of the routers,the address of Switch F is needed in order to verify that the employee remains in the same VLAN.Which action could be used by the administrator to find the IP address of Switch F?（）

Which Cisco IOS diagnostics command can disrupt the operation of a router under high-load conditions?（）

On which options are standard access list based?（）

Which protocol reduces administrative overhead in a switched network by allowing the configuration of a new VLAN to be distributed to all the switches in a domain?（）