Midterm

Midterm - MidtermReview October1922 Closedbook...

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Midterm Review October 19-22 Closed book one hand written page of notes of  your own making
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Seven Layer Model Application Presentation Session Transport Network Data Link Physical Network Data Link Physical Network Data Link Physical Application Presentation Session Transport Network Data Link Physical Email, FTP, www cinteger size, big endian synchronization, name space reliability, congestion control Routing address framing errors electrical signals
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Questions What does the bind() procedure in the socket library do? How does it interact with the TCP and IP layers of the protocol stack. What is a socket? How does a web server use sockets to distinguish between different clients that connect to it?
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Web Operating System Explain how the web could be the Operating System of the future. In your answer, discuss features traditionally offered by an OS and explain how these could be provided over the web. Scheduling? Service Small requests first? File System? URL Access Control? Security Virtual Memory? Cache Replacement
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Questions What are the steps a web server must take in processing an HTTP request? What are the differences between the way a web server deals with a GET or POST cgi request. Is HTTP a stateless protocol? What are the 3 ways for a web application to maintain session state? URL Rewriting Hidden Fields Cookies Compare the pros and cons of each method. Explain how an HTTP cookie works. How does a perl application use
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Midterm - MidtermReview October1922 Closedbook...

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