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 IPsec security protocol should be used when confidentiality is required?（）

What is the default administrative distance of OSPF?（）

On which options are standard access list based?（）

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

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?（）

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?（）

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

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

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