1. Identify the command that will allow the Cisco IOS software to return to the default LMI type on interface Serial 0/1. The LMI command is already set to the LMI type defined jointly by Cisco and three other companies.
Router(config)no frame-relay lmi-type ansi
Router(config-if)#no frame-relay lmi-type ansi
Router(config-if)#no frame-relay lmi-type cisco
Router(config-if)#no frame-relay lmi-type q933a
2. What end-system command would you use to delete a specific entry from an ARP table?
arp -a
arp -d ip-address
arp -s ip-address
arp -a -N interface_address
3. Which of the following commands activates an interface?
arp -d
clock rate
interface
no shutdown
4. What is the default encapsulation type on a synchronous serial interface?
Frame Relay
HDLC
PPP
SLIP