Question :

(a) Describe, with the aid of a diagram, a hybrid topology of a network of your choice.

(b) Briefly explain the similarity and differences between a switch and a hub.

(c) How is the TCP/IP reference model different from the OSI reference model? And why is the TCP/IP model widely used?

(d) "HTTP is stateless". Discuss this statement.

(e) Given that a webpage consists of 2 pictures and 1 animation, what would be the Response Time, in terms of RTT, if HTTP 1.1 is used to load the complete webpage?

(f) Your service has been called for as a network designer for a high-tech LAN to be set up in a new branch of an offshore company. The local service provider has assigned the following to you: Network ID = 203.122.0.0 and Subnet Mask = 255.255.240.0.

The manager of the offshore company requires you to create two subnets A and B for the LAN.

(i) Specify the Subnet Mask after the borrowing the subnet bits.
(ii) Specify the Broadcast Address and Network Address of subnets A and B.
(iii) Evaluate the range of IP addresses for subnets A and B.
(iv) Specify the IP address of the 17th Host in the 2nd Subnet.