4. What is a port? What is a well-known port? Give
example.
5. What is IP address? Explain different types of IP
addresses? Why are they used?
6. What is the difference between IP address and
Port address?
7. What is the use of java.net package? Explain with
an example.
8. What is the difference between stream socket and
datagram socket?
9. Explain the following:
(a) Socket Class
(b) ServerSocket Class
(c) DatagramSocket ...
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