What are two WAN connection enhancements that are achieved by implementing PPPoE? (Choose two.)
- An Ethernet link supports a number of data link protocols.
- DSL CHAP features are included in PPPoE.
- Encapsulating Ethernet frames within PPP frames is an efficient use of bandwidth.
- CHAP enables customer authentication and accounting.
- PPP enables the ISP to assign an IP address to the customer WAN interface.
Explanation: Encapsulating a PPP frame within an Ethernet frames enables IP address assignment by ISPs that are using DSL technology, as well as the ability to use CHAP for authentication and accounting. Traditional DSL does not support CHAP authentication. A traditional Ethernet link supports only Ethernet-based data link protocols.
Exam with this question: CCNA 4 Chapter 3 Exam Answers
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