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

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?（）

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?（）

Which pairing reflects a correct protocol-and-metric relationship?（）

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?（）

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

Which command encrypts all plaintext passwords?（）

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?（）

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

What is the default administrative distance of OSPF?（）