Cisco Certified Network Associate (CCNA) Practice Exam

Which command sequence is correct for configuring a point-to-point Frame Relay link?

1. (config)#interface SERIAL INTERFACE, (config-if)#no shutdown

2. (config)#interface SERIAL INTERFACE, (config-if)#ip address

3. (config)#frame-relay interface-dlci, (config-if)#no shutdown

4. (config)#interface FASTETHERNET, (config-if)#encapsulation frame-relay

The correct answer is: (config)#interface SERIAL INTERFACE, (config-if)#no shutdown

The correct command sequence involves configuring the serial interface and ensuring it is operational. When setting up a point-to-point Frame Relay link, the initial step is to access the relevant serial interface using the command to enter interface configuration mode. This is done with the command to configure the serial interface, followed by the crucial command to activate that interface, which is the "no shutdown" command. This ensures that the interface is not in a shutdown state and is able to send and receive data. In contrast, other options do not follow the correct sequence for establishing a point-to-point Frame Relay link. Notably, configuring an IP address is necessary, but it cannot be done before ensuring that the interface is active. Other commands that mention Frame Relay encapsulation or access to DLCI configurations are advanced steps that require the basic interface configuration and activation to occur first. Thus, the sequence in the initially mentioned correct answer outlines the essential first steps to establish a functional point-to-point connection over Frame Relay.