mt1 - Midterm Exam CMPSCI 591: Computer Networks Fall 2000...

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Midterm Exam CMPSCI 591: Computer Networks Fall 2000 Prof. Jim Kurose THIS IS THE SAME EXAM TAKEN BY ON CAMPUS STUDENTS Instructions: Please use two exam blue books – answer questions 1, 2 in one book, and the remaining questions in the second blue book. Put your name and student number on the exam books NOW! The exam is closed book. You have 100 minutes to complete the exam. Be a smart exam taker - if you get stuck on one problem go on to another problem. Also, don't waste your time giving irrelevant (or not requested) details. The total number of points for each question is given in parenthesis. There are 100 points total. An approximate amount of time that would be reasonable to spend on each question is also given; if you follow the suggested time guidelines, you should finish with 10 minutes to spare. Show all your work. Partial credit is possible for an answer, but only if you show the intermediate steps in obtaining the answer. Good luck.
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Question 1: ``Quickies'' (24 points, 20 minutes) Describe the purpose/functionality of the socket(s) used as the server in reliable, connection-oriented socket-based communication with a client. (You need not discuss client side functionality.) What does it mean for a protocol to be statefu l? What does it mean for a protocol to be stateless ? Give an example one stateful protocol and one stateless protocol. We said that ftp uses
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mt1 - Midterm Exam CMPSCI 591: Computer Networks Fall 2000...

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