Which address is the IPV6 all-RIP-routers muticast group address that is used by RIPng as the destaion address?（）

A network administrator is trying to add a new router into an established OSPF network.The networks attached to the new router do not appear in the routing tables of the other OSPF routers.Given the information in the partial configuration shown below,what configuration error is causing this problem?（）Router(config)#router ospf 1Router(config-router)#network 10.0.0.0 255.0.0.0 area 0

At which layer of the OSI model dose PPP perform?（）

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

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

Which cisco ios command can help to determine the timing of various debug events,relative to each other,when you are debugging a complicated router issue?（）

A network administrator is planning a network installation for a large organization.The design requires 100 separate subnetworks,so the company has acquired a Class B network address.What subnet mask will provide the 100 subnetworks required, if 500 usable host addresses are required per subnet?（）

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

Which command encrypts all plaintext passwords?（）

Which command is used to display the collection of OSPF link states?（）