Knowledge checks


UDP Sockets.



Which of the following characteristics below are associated with a UDP socket? Check one or more that apply.





 

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1/5

TCP Sockets.



Which of the following characteristics below are associated with a TCP socket? Check one or more that apply.





 

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2/5

Server reply (UDP).



How does the networked application running on a server know the client IP address and the port number to reply to in response to a received datagram?




 

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3/5

How many sockets?



Suppose a Web server has five ongoing connections that use TCP receiver port 80, and assume there are no other TCP connections (open or being opened or closed) at that server.  How many TCP sockets are in use at this server?




 

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4/5

socket connect().



What happens when a socket connect() procedure is called/invoked?




 

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5/5

We gratefully acknowledge the programming and problem design work of John Broderick (UMass '21), which has really helped to substantially improve this site.

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