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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 the difference between routable and non- routable protocols? Routable protocols can work with a router and can be used to make huge networks. Non-Routable protocols
Bridge A bridge operation sin both physical and data link layer of OSI model. At physical layer it works like repeater as it regenerates the signal and performs int
One of the most popular models for designing parallel algorithms is PRAM (Parallel Random Access Machine). A PRAM consists of unbounded number of processors interrelating with each
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.
The Network Control Unit (NCU) is a field panel housing electronic modules, terminal blocks, and signal conditioners (pneumatic, linevoltageand electronic) all inside a one enclosu
What are the value added services Many organisations are demanding higher services (also called value added services) such as faxing, minimal cost call routing, connectivity to
Define Retransmission? Retransmission is a process in which the receiver detects the occurrence of an error and asks the sender to resend the message. Resending is repeated unt
Q. Protocols and Standards - Cable Network Architecture? - Essential in creating as well as maintaining an open and competitive market for equipment manufacturers and in guaran
CPU bus It is connect with various components of the system and transformation of data between components. Power Supply It is separate external part of cisco rou
Q. Illustrate TCP – bytes and segments? TCP - bytes & segments TCP at the sending site collects bytes into a packet called a segment TCP adds a header to each se
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