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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.
What is Ping? Ping is a utility program that permits you to check connectivity among network devices on the network. You can ping a device by using its IP address or device nam
Question 1: (a) In networking, there are different possible topologies. Explain the Linear bus, Ring and Star topology along with their advantages and disadvantages. (b) W
can we solve the problem using bounded buffer space if the propagation delay is arbitrarily large ?
List the layers of OSI There are seven layers in OSI model a. Physical Layer b. Data Link Layer c. Network Layer d. Transport Layer e. Session Layer f. Presen
Q. Define Unicast - Multicast and Reserved Addresses? Unicast, Multicast, and Reserved Addresses Unicast address - identifies a specific device Multicast address
The Data link layer performs the following: Responsible for physically passing data from single node to another. Translates messages from the upper layers into data frames and adds
Take the maximum packet lifetime, T. It's stated that T must be big enough to make sure the packet and its ACK have vanished. Why do we have to have the ACK?
Butterfly permutation This permutation is getting by interchanging the important significant bit in address with smallest significant bit.
Unfortunately, building real-life distributed systems is not easy. It is hard, for instance, to implement instructions such as "send this data structure to be processed on that com
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