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Q. What do you understand by OSI?
Ans: The Open System Interconnection (OSI) reference model illustrates how information from a software application in one computer goes through a network medium to a software application in another computer. The OSI reference model is a basic conceptual model composed of seven layers, each indicate particular network functions. The model was designed by the International Standardization Organization (ISO) in 1984, and it is now considered the main architectural model for inter-computer communications.
What is NOS? NOS, or Network Operating System, are specialized software whose major task is to give network connectivity to a computer in order for it to be able to converse wi
Determine the term- Cyberspace The conceptual or virtual area where pages, data, images, and all the rest are stored. It is the area from where requests are accepted and ful
State the term - Lot of care required while programming It is a common and well-known saying that many developers of "secure systems" leave a "back door" way for themselves so
Explain in detail about wireless network Think about unseen terminal problem. Imagine a wireless network consist of five stations, A through E, such that each one them is in r
Along any transmission path from a given source to a given destination, a group of virtual circuits can be grouped together into what is known as path.
Ask Design private subnetworks (using Class A range for CIDR) for each domain as in the table below, and complete the table. Hints: Consider how many network bits are required to a
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
10Base5 Connectors Transceiver - intermediary device as well called a medium attachment unit (MAU) Performs CSMA/CD function may perhaps contain small buffer Atta
What is Sonet Synchronous Optical Network is a fiber optic technology that can transmit high-speed data audio, used for text and video. Single clock handles timing of transm
A magazine publisher based in Nairobi has branch in Kisumu, and one in Mombasa. The company has kept in touch by telephone and courier service. Each office is networked. The networ
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