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? （）

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

What is the purpose of pressing the Ctrl+Break keys during the router password recover procedure?（）

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?（）

What does a configuration Register Setting of 0x2105 indicate to the Router? （）

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

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

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 router with a serial interface will be used for an ISDN link.What other function group devices are required to complete the connection to the service provider? （）

What should the configuration register value be after successfully completing the password recover procedure and returning the router to normal operation? （）