Question

3. Why are standards needed in computer networks?
4. Describe any 3 factors that determine the topology of a network.
(6)
5. What are the responsibilities of the network layer in the Internet model?
(3)
6. Explain the concept of encapsulation in the Transmission Control Protocol/Internet
Protocol (TCP/IP) model.
7. Briefly explain the principal differences between a User Datagram Protocol (UDP)
and a Transmission Control Protocol (TCP) and the reasons for choosing between
them for a given internet application.
(6)
8. How is mapping performed between an Internet Protocol (IP) address and a Media
Access Control (MAC) addresses?
9. The Internet is often described as being a "best effort network" Briefly explain what
is meant by the term "best effort network".
(5)​

Answer 1

Answer:

6)

8. How is mapping performed between an Internet Protocol (IP) address and a Media

Access Control (MAC) addresses?