Cisco Certified Network Associate (CCNA) 2026 – 400 Free Practice Questions to Pass the Exam

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How is the PPP encapsulation enabled on a PPPoE dialer interface?

encapsulation ppp

Enabling PPP encapsulation on a PPPoE (Point-to-Point Protocol over Ethernet) dialer interface is accomplished by using the command "encapsulation ppp." This command specifically instructs the router to use PPP as the encapsulation method for the interface. PPP is a widely used data link layer protocol that provides features such as encapsulation of network layer protocols and a method for authentication.

The other options do not accurately represent the command syntax needed to enable PPP encapsulation on a PPPoE dialer interface. While they may seem vaguely related to configuring protocols or interfaces, they do not conform to the standard command structure required in Cisco’s IOS. Understanding the correct command syntax is essential for configuring network devices appropriately and ensuring proper communication between them.

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ppp enable

enable ppp encapsulation

switch ppp encapsulation

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