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End-to-End DSL Architectures by Wayne C. Vermillion

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Chapter 6

1: What does the command ip unnumbered gigabit ethernet 0/0/0 accomplish?
  1. It enables IP on the interface without assigning a specific IP address.

  2. It selects the authentication protocol and an optional secondary protocol.

  3. It associates a virtual template with a virtual template interface.

  4. It specifies a dynamic IP address assignment method, from either an IP address pool or a DHCP server.

A1: Answer: A. Rather than use a valuable IP address on this virtual interface, it will be associated with the already-assigned Gigabit Ethernet IP address.
2: Which of the following apply to the NRP?
  1. Layer 3 services

  2. High-speed ATM switch

  3. Central control for the 6400

  4. Traffic shaping

A2: Answer: A, D. The NRP provides Layer 3 services such as encapsulation and ...

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