ARP is an important protocol seen on the Network Access Layer of the TCP/IP model.

Question

i) Expand the acronym ‘ARP’.

ii) Draw a diagram to illustrate how ARP works in a local network. Clearly demonstrate the importance of ARP using appropriate labels.

iii) A possible attack against ARP is ‘ARP poisoning’ or ‘ARP cache poisoning’. Briefly discuss what ARP poisoning is and the implications of such an attack.

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