Cisco Certified Network Associate (CCNA) Practice Exam

What functionality does the command "pppoe-client dial-pool-number 1" provide?

1. Assigns the dialer pool to the dialer interface

2. Defines the pool number for client association

3. Enables PPPoE on the physical interface

4. Ties the physical interface to a specific DSL modem

The correct answer is: Defines the pool number for client association

The command "pppoe-client dial-pool-number 1" is used to indicate which dialer pool the PPPoE (Point-to-Point Protocol over Ethernet) client should utilize. By specifying the dial-pool-number, it ensures that the client knows which set of dialer interfaces to use when establishing a PPPoE session. This functionality is crucial for configuring a network where multiple dialer pools may be defined. Each pool can contain different settings including the number of available connections, authentication parameters, and so forth. Therefore, correctly setting the dial-pool-number allows the PPPoE client to select the appropriate dialer pool, thereby facilitating the connection process over DSL or a similar medium. The other options do not accurately capture the purpose of the command. While the assignment of interfaces or enabling PPPoE may involve other configuration commands, the specific role of this command is to associate the client with the defined dialer pool.