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Explain Fiber-Optics cable.
A cable with central glass tube covered with protective shield which transmit data using photons is fiber optics cable. These cables transmit data through concentrated bursts of laser beams which are carried by bundles of hair thin glass fibers. They have benefits over electronic cables in transmission speed and volume. This technology has revolutionized telecommunication applications which used electronic cables. Fiber optics cables as free from electro-magnetic interference as well as wire tapping.
What is silly window syndrome? It is a difficulty that can ruin TCP performance. This problem happens when data are passed to the sending TCP entity in large blocks, but an int
QUESTION a) The aim of a computer network is to increase efficiency and reduce costs. Explain how networks of computers achieve the above. b) Describe the star topology. Su
Can you define Data link Layer?
Can you describe screened subnet architecture?
Q. Show the Error Correction by Hamming Code? Hamming Code is able to be applied to data units of any length and uses the relationship between data and redundancy bits For i
Protocol Layering To design structural network protocols the designers organize protocol and use the network hard ware and software to implement the protocol in layers. E
Electronic Cheques Another mechanism for Internet payment is electronic cheques. With electronic cheques, the payer (either an individual consumer or a business) instructs his
Identify the 3 major functions at layer 3 of the OSI model Ans) Layer three explains the path, forwards the packet and executes software / logical addressing.
The Transport layer implements reliable data transport services. The various functions of Transport Layer are listed below The transport layer is meant for transmitting the data
It imposes hierarchy and a division of labor between processors. Only one designated processor, the master, controls (in a tightly coupled arrangement) slave processors dedicated t
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