a$)$ The following message is received: $0011010011110$ The message contains one bit

error. Use even Hamming code to find out which bit contains the error. Correct the bit and

present the final corrected bit string representing the user message. Show all working.

$(9$ marks$)$

b$)$ State whether you agree with the following statement providing a full explanation: $$A fibre

optic cable is a much less expensive medium than satellite."

$(6$ marks$)$

c$)$ Explain in detail the three main classes of network addresses A$,$ B and C of IPV$4.$

$(6$ marks$)$

d$)$ Outline four differences between IPv$4$ and IPv$6$ network addresses.

$(4$ marks$)$