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

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

A network administrator is trying to add a new router into an established OSPF network.The networks attached to the new router do not appear in the routing tables of the other OSPF routers.Given the information in the partial configuration shown below,what configuration error is causing this problem?（）Router(config)#router ospf 1Router(config-router)#network 10.0.0.0 255.0.0.0 area 0

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

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

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

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?（）

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?（）

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