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

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

Which statement describes the rule of split horizon?（）

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?（）

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

On which options are standard access list based?（）

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?（）

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

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