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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.
A. Current setting A new bank has its headquarters located in City A. Recently, the bank has opened its first branch in City B, and its data centre in City C. The three cities a
Q. Define the Backbone Networks? Backbone Networks - Allows several LANs to be connected - Non of station is directly connected to the backbone - Stations are part
Layers, Massages, Segments, Datagram's and Frames Figure 2.15 show the physical path data takes down a sending end systems protocol stack up and down the protocol stac
What are the concerns of the Physical Layer? Physical layer coordinates the functions needed to transmit a bit stream over a physical medium. a. Physical characteristics of in
Time out Timers are used to protect against lost packet. Each packet must have its own logical timers since only a single packet will be retransmitted after timeou
PVM (Parallel Virtual Machine) is a portable message-passing programming system, designed to link divide heterogeneous host machines to form a "virtual machine" which is a one, man
What is packet filter? Packet filter is a standard router up to with some extra functionality. The extra functionality permits every incoming or outgoing packet to be inspected
Define different OSPF packet types?
What is Network Server? Network Server is a computer in Network that is designated to give one or more network service. For instance file server, database server etc.
Can you define Network Layer?
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