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CCNA Practice Questions (Exam 640-802), Third Edition by Jeremy CCIE No. 11727 Cioara

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Answers and Explanations

  1. B, F, G. The Local Management Interface (LMI) signaling occurs between your router and the local service provider connection. It is used to transmit circuit status information (such as DLCI numbers, packets received, bytes sent, and so on) between you and the service provider. All other answers do not apply.

  2. D. Split-horizon prevents routing updates (broadcasts) from going back out the interface they came in on. If you have multiple virtual circuits coming in on a physical interface, this causes issues. Answer A is incorrect, as route poisoning still functions. Answer B is incorrect, as hold-down timers do not affect Frame Relay. Answer C is incorrect, as triggered updates still occur.

  3. D. The Cisco IOS command is frame ...

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