cs140finalWin2008

cs140finalWin2008 - CS140 Operating Systems and Systems...

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CS140 Operating Systems and Systems Programming Final Exam March 19, 2008 Name: (please print)______________________________ In recognition of and in the spirit of the Stanford University Honor Code, I certify that I will neither give nor receive unpermitted aid on this exam. Signature:_______________________________________ This examination is closed notes and closed book. You may not collaborate in any manner on this exam. You have 180 minutes (3 hours) to complete the exam. Before starting, please check to make sure that you have all 19 pages. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 Total
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CS140 Final Winter 2008 Page 2 of 19 f (1) (10 points) Explain how a network supporting a connection-oriented model (i.e. virtual circuits) can have packet headers that are significantly smaller than those of a datagram network. Be sure to describe how a packet with a header that is even smaller than a destination address can make it to the correct destination.
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CS140 Final Winter 2008 Page 3 of 19 f (2) (10 points) Explain why the time-to-live (TTL) field in the IP protocol header is important for the reliable flooding protocol used to distribute link state information.
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CS140 Final Winter 2008 Page 4 of 19 f (3) (10 points) You and your Pintos partner are discussing the distributed consensus problem on unreliable networks. Your partner mentions that the TCP/IP protocol guarantees that when a process successfully closes a TCP/IP connection, all data sent
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This note was uploaded on 03/24/2008 for the course CS 140 taught by Professor Rosenblum during the Winter '08 term at Stanford.

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cs140finalWin2008 - CS140 Operating Systems and Systems...

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