(Solved):   3 Short Answers (25 points) Short answers: no explanation is needed, unless it is explicit ...

 

3 Short Answers (25 points) Short answers: no explanation is needed, unless it is explicitly asked for. a) In what sense is the subnet portion of an IP similar to a phone number area code? In what sense is it different? b) What does TCP's 3-way handshake do? c) Suppose I decide to retransmit a TCP segment I've transmitted because I conclude it was dropped. What are (at least) two other possible explanations for what happened? 1. 2. d) What's the difference between the java command and the javac command? e) If UDP doesn't maintain a persistent connection between sender and receiver, then if the receiver wants to respond, how does it know who to respond to?