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Title: CCIE R&S Core Knowledge Question(12)

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1. Which Cisco-proprietary STP feature detects indirect failures in the core of the backbone?  Highlight for answer: BackboneFast.  2. Which two commands can be used to disable the executive timeout feature?  Highlight for answer: no exec-timeout or exec-timeout 0 0  3．What is the practice of advertising a contiguous set of addresses with a single, less-specific address called?  Highlight for answer: Summarization or route aggregation   4. What is the name of a well-known mandatory attribute that uses a sequence of AS numbers to describe the route to the destination specified by the NLRI?  Highlight for answer: AS_PATH  5. What is the name of a well-known discretionary BGP attribute that is used to alert downstream routers that a loss of path information has occurred?  Highlight for answer: ATOMIC_AGGREGATE.

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Post date: 2009-07-01 16:17:37

Post date GMT: 2009-07-01 08:17:37

Post modified date: 2009-07-01 16:17:37

Post modified date GMT: 2009-07-01 08:17:37



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