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Hub
A hub is a small box that connects individual devices on network so that these devices can communicate with each other. Hub is an inexpensive device. It is commonly know as passive hub as it operates below physical layer of OSI model and works just as a connector. It is just a point where the signals coming from different network devices or terminals copied. A hub be thought of as the centre of a bicycle wheel where the spokes meet. Hub is also named as concentrator. Hub is placed in a network connecting in topology format.
What is difference among routing and routed protocols? Ans) i) Routing use for top path selection ii) Routed protocol carries on source and destination information.
It is a basic quantitative property of networks. Delay is a calculate how long it takes for a bit of data to cross across the network from one end to the other. It is calculated in
Uneven Load Distribution In the parallel computer, the problem is dividing into sub-problems and is assigned for computation to various processors. But sometimes the sub-probl
Q. Show the Refraction and Reflection in Fiber-optic cable ? - Refraction often takes place when light bends as it passes from one medium to another less dense medium - Wh
Objective : After going through this part you will be sure to explain the features of software and operating systems for parallel computers. In particular you should be able
Explain the working of ISDN Stands for Integrated Services Digital Network. It is a way to move more data over existing regular phone lines. ISDN is rapidly becoming availab
identify different network topologies.
What are the characteristics of Client/Server? Service Encapsulation of services Shared resources Asymmetrical protocols Mix-and-match Transparency of location
Challenge Handshake Authentication Protocols (CHAP) CHAP as its an implies implements a form of authentication that requires a challenge and a response. A CHAP authenticator
Describe the main factors of switching delay No. The speed of propagation is 200,000 km/sec or 200 meters/µsec. In 10 µsec signal travels 2 km. Therefore, each switch adds equi
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