September 2008
Beginner
456 pages
11h 41m
English
Content preview from Sams Teach Yourself TCP/IP in 24 Hours, Fourth Edition
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Q&A
| Q. | Why must a computer be configured for IP forwarding to act as a router? |
| A. | A router receives datagrams that have addresses other than its own. Typically, the TCP/IP software will ignore a datagram if it is addressed to a different host. IP forwarding provides a means for accepting and processing datagrams that must be forwarded to other networks. |
| Q. | Why is link state routing better for larger networks? |
| A. | Distance vector routing is not efficient for large numbers of routers. Each router must maintain a complete table of destinations. Network data is altered at each step in the propagation path. Also, entire routing tables must be sent with each update even though most of the data might be unnecessary. |
| Q. | What is the purpose of the exterior router? ... |
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