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

Which command is required for connectivity in a Frame Relay network if Inverse ARP is not operational? （）

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?（）

A Class C network address has been subnetted with a /27 mask.Which of the following addresses is a broadcast address for one of the resulting subnets?（）

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

What is a global command?（）

How many usable sub network and usable hosts per subnet result in the network address 201.105.13.0 is sub netted with a mask of /26? （）

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?（）

A network host is configured as follows: Host IP address: 192.168.16.183 Subnet mask: 255.255.255.224 Default gateway: 192.168.16.190 Which of the following statements describe the network to which this host is attached?（）

Which connections allow the use of full-duplex Ethernet?（）