Apply Your Knowledge

Review Questions

1:What is a port?
2:What is a well-known port?
3:What are the differences between connection- oriented and connectionless communication?
4:What is a socket?
5:What is a URL?
6:What is the difference between UDP and TCP?

Exam Questions

1:How are computers on the Internet located?

  1. By their registration number

  2. By their Internet ID number

  3. By their IP address

  4. By their locator chip

2:What is the role of domain name servers?

  1. To associate computer names and their IP addresses

  2. To identify well-known ports

  3. To map well-known ports to protocols

  4. None of the above

3:What is the well-known port number of HTTP?

  1. 8000

  2. 8080

  3. 80

  4. 8

4:Which of the following applications is best implemented using a UDP protocol?

  1. Internet time updates

  2. Video and audio ...

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