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

Three access ports have been installed and configured to a small office.What term defines the wireless topology?（）

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

After the show ip route command has been entered,the follwing routes are displayed.Which route will not be entered into the routing table of a neighboring router?（）

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?（）

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?（）

What is the default administrative distance of OSPF?（）

Which device might be installed at a branch office to enable and manage an IPsec site-to-site VPN?（）

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

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