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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.
Q. Explain Multipurpose Internet Mail Extensions? - The Multipurpose Internet Mail Extensions is an extension of SMTP that allows the transfer of multimedia and other non-ASCII
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Mail Access Protocols The e mail message are usually sent to an email server that stores received message in the recipient e mail mailbox. The user retrieves messa
Connection oriented
Q. Explain about Bandwidth – delay product? Bandwidth - delay product - A measure of competence of ARQ system = bandwidth (bits per second) * round-trip delay (in seco
Define the analog audio and video conferencing systems When analog audio and video conferencing systems were used, the procurement and installation was complex, less reliable a
Q. Single Mode for transmitting optical signals? - Merely one beam from a light source is transmitted using a smaller range of angles - Smaller diameter as well as lower de
Q. What is Bus Topology? Multipoint configuration One cable acts like a backbone to link all devices Advantages: Effortlessness of installation and less cabling
Screening Router In this setup network router acts as a firewall. It checks all incoming and outgoing packets according to the predefined rules. This filter is placed at the c
How does IGRP measure metric
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