300-101 Question 19
PPPoE is composed of which two phases?
A. Active Authentication Phase and PPP Session Phase
B. Passive Discovery Phase and PPP Session Phase
C. Active Authorization Phase and PPP Session Phase
D. Active Discovery Phase and PPP Session Phase
Correct Answer: D
Explanation/Reference:
PPPoE is composed of two main phases: Active Discovery Phase--In this phase, the PPPoE client locates a PPPoE server, called an access concentrator. During this phas e, a Session ID is assigned and the PPPoE layer is established. PPP Session Phase--In this phase, PPP options are negotiated and authentication is performed. Once the link setup is completed, PPPoE functions as a Layer 2 encapsulation method, allowing data to be transferred over the PPP link within PPPoE headers. Reference: http://www.cisco.com/c /en/us/td/docs/security/asa/ asa92/configuration/vpn/asa-vpn- cli/vpn-pppoe.html
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