Which statement is true, as relates to classful or classless routing?（）

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

What is the default administrative distance of OSPF?（）

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?（）

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

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

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

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

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

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?（）