Question: Network Problems: 1. What is the difference between MAIL FROM: in SMTP and From: in the mail message itself? (10 pts) 2. Suppose you wanted

Network Problems: 1. What is the difference between MAIL FROM: in

Network

Problems: 1. What is the difference between MAIL FROM: in SMTP and From: in the mail message itself? (10 pts) 2. Suppose you wanted to do a transaction from a remote client to a server as fast as possible. Would you use UDP or TCP? Why? (15 pts) 3. In BitTorrent, suppose Alice provides chunks to Bob throughout a 30-second interval. Will Bob necessarily return the favor and provide chunks to Alice in this same interval? Why or why not? (10 pts) 4. Web caching has the ability to reduce the delay in receiving a requested object. Why? Web caching has the ability to reduce the delay for all objects requested by a user or for only some of the objects? Why? (15 pts)

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