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

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

An employee of ABC company has move to an office on a different floor. Although the administrator is able to telnet to all of the routers,the address of Switch F is needed in order to verify that the employee remains in the same VLAN.Which action could be used by the administrator to find the IP address of Switch F?（）

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?（）

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

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

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

A network administrator needs to configure a serial link between the main office and a remote location.The router at the remote office is a non-cisco router. How should the network administrator configure the serial interface of the main office router to make the connection?（）

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