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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. 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
Half-Duplex - Capability for data transmission in only single direction at a time among sending station and a receiving station.
Q. Use of Infrared? - Frequencies among 300 GHz and 400 THz - Short-range communication - High frequencies can't penetrate walls - Necessitate line-of-sight propagati
Coaxial Applications & Performance - Analog plus digital phone networks - Cable TV networks - Traditional Ethernet LANs - Power line and Home Networks-phone line -
Advantages of Bridges By forwarding frames only to the segment where host resides a bridge server the following purpose. a.Unwanted traffic as well as network c
What is Security solutions Though there are a number of security solutions available due to sophistication in technology, there are a number of risks and difficulties attached
Transmission Control Protocol - TCP is a connection oriented transport layer protocol with built unreliability. It considers a large block of data and breaks it down into segments
Illustrate a traffic light is an example of what type of mechanism Ans) A Traffic light is an example of flow control.
ETHERNET FIELDS: In Ethernet fields the preamble and CRC is usually not given in frame. The destination address of each is the broadcast address. There is special value reser
Managing and Securing the Web Utility of the Router Step 1: Configure web access. Navigate to the Administration section. Change the router password to cisco. For Web Uti
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