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?（）

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

At which layer of the OSI model is RSTP used to prevent loops?（）

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

Which command encrypts all plaintext passwords?（）

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

What is the default administrative distance of OSPF?（）

Which name describes an IPV6 host-enable tunneling technique that uses IPV4 UDP,does not require dedicated gateway tunnels,and can pass through existing IPV4 NAT gateways?（）

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

A router receives information about network 192.168.10.0/24 from multiple sources.What will the router consider the most reliable information about the path to that network?（）