Adam, sitting in his small home office in Sydney, Australia, wants to access the Facebook’s Web…

Question 1: Adam, sitting in his small home office in Sydney, Australia, wants to access the

Facebook’s Web Server residing in United States of America (USA). Suppose that there are 20

internetworking devices between Adam and the Facebook Web Server. Answer the following

questions considering the above scenario. (8 marks)

a) Which application layer protocol will be used to find the IP address of the Facebook’s Web

Server? Which destination port number will be used for this query?

(1+ 1 = 2 marks)

b) Which application layer protocol will be used to get the content of the Facebook’s Web

Server on Adam’s browser assuming secured communication between Adam and the

server? Also write the destination port number used for this query. (1 + 1 = 2 marks)

c) Which transport layer protocol will be used in this case? Explain your answer (2 marks)

d) If Time To Live (TTL) value is 15 in the IP header initiated by the Adam’s machine, what

will happen in this case? What will the internetworking device do in this case? (2 marks)

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