a) Expand each of the following acronyms:



ii) IMAP;

iii) IPsec;

iv) RSVP;

v) OSPF;

vi) POPv3;

vii) ARP.

b) Map the SEVEN protocols given in part a) above to the SEVEN layers of the TCP/IP model.
c) What are the similarities and differences in the main features of TCP and UDP?
d) Briefly describe the difference between IPv4 and IPv6. Why is IPv6 being used instead of IPv4?
e) Explain the difference between TCP/IP and the OSI Model. A diagram may be helpful.

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