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Title: CCIE R&S Core Knowledge Question(14)

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1. What are the two tables that CEF utilizes to switch packets?  Highlight for answer: Forwarding Information Base(FIB) and [CEF] adjacency table.  2. A port in the Spanning Tree state of ‘blocking' does not allow any type of traffic – true or false?  Highlight for answer: False – BPDUs are still allowed over the link.  3. By default, when does a Cisco router switch over from the root-path-tree to the source-specific SPT?   Highlight for answer: When the first packet is received from the shared tree.  You can change this with the ‘ip pim spt-threshold' command.  4. If a TCP connection does not complete the three-way handshake within a particular time period, TCP intercept sends a TCP reset to the server, cleaning up the connection.  Which TCP intercept mode does this statement best describe?  Highlight for answer: Watch mode.

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Post date: 2009-08-15 10:25:05

Post date GMT: 2009-08-15 02:25:05

Post modified date: 2009-08-15 10:25:05

Post modified date GMT: 2009-08-15 02:25:05



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