Which Frame Relay feature is responsible for transmitting keepalives to ensure that the PVC does not shut down because of inactivity?（）

Identify three valid host addresses in the 192.168.27.0 network with a subnet mask of 255.255.255.240. （）

A technician at TestKing needs to update the network documentation. One of the tasks includes documenting the name of the IOS image file of each router in the network.Which commands could be used to find this information?（）

Which of the following contribute to congestion on an Ethernet network?（）

Which of the following host addresses are member of networks that can be routed across the public Internet? （）

You are configuring a new Catalyst switch that you want to manage remotely from workstations on other network segments within your enterprise.Which of the following are required to allow remote management of the switch over IP?（）

What feature of a networks switch allows an administrative to create separate broadcast domains?（）

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

Which of the following options lists the steps in PPP session establishment in the correct order?（）

Five minutes after issuing the show running-config command, a technician enters the command again and notices that several access list statements have been altered. Because of this, the technician believes that the router is being configured by an unknown person through Telnet. Before changing the router passwords, the technician would like to discover if anyone is connected to the router by Telnet and stop them from making further changes.Which commands will accomplish these options?（）