Computer Networking
You are troubleshooting a connectivity problem in your corporate network and want to isolate the problem. You suspect that a router on the route to an unreachable network is at fault. What IOS user exec command should you issue?

Router> show interface
Router> ping
Router> trace
Router> show ip route

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Computer Networking
Which of the following technique is used for fragment?

None of these
a technique used by protocols in which a lower level protocol accepts a message from a higher level protocol and places it in the data portion of the low level frame
one of the pieces that results when an IP gateway divides an IP datagram into smaller pieces for transmission across a network that cannot handle the original datagram size
a technique used in best-effort delivery systems to avoid endlessly looping packets
All of these

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Computer Networking
A front-end processor is

a processor in a large-scale computer that executes operating system instructions
a user computer system
a minicomputer that relieves main-frame computers at a computer centre of communications control functions
None of these
preliminary processor of batch jobs.

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