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

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?（）

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

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

The network administrator cannot to switch 1 over a telnet session,although the hosts attached to switch 1 can ping the interface Fa0/0 of the router.Given the information in the graphic and assuming that the router and switch2 are configured properly,which of the following commands should be issued on switch 1 to correct this problem?（）

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?（）

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

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

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