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Q. Explain about Error Detection?
Data can be corrupted during transmission because of accidents, Storms, sudden increase in electricity and voltage / decrease in signal power over distance
For reliable communication errors should be detected and corrected
Q. Define layered network model? - The OSI Reference Model is collection of seven layers every specifying particular network functions. - The process of breaking up the func
Two hosts are connected by a path made of four links as shown in the figure below. The links are of data rate R = 2 Mbps each. Host A has a file of size F = 1,000,000 bytes to tran
What is multiplexing and demultiplexing? Explain. Describe Time division, Frequency division and Wavelength division multiplexing. What is ADSL? How does it use multiplexi
Wireless Access Wireless access connecting end systems ( that are often mobile) into the network. Today there are two broad types of wireless internet access(1) wireless an
QUESTION (a) Explain briefly what is meant Client-server Computing? (b) Distinguish among client process and server process (c) What are the four basic characteristics of
What are the key design issues of a computer Network? a. Connectivity b. Cost-effective Resource Sharing c. Support for common Services d. Performance
What are the types of Transmission media? Signals are usually transmitted over some transmission media that are broadly divided in to two categories:- Guided Media: Th
Categories of traditional Ethernet a) Baseband - digital signals using Manchester encoding b) 10Base2, 10-Base-T, 10Base5, 10Base-FL c) First number signifies data rate
In spite of the incompatibilities among networks, researchers have devised a function that gives universal service among heterogeneous networks known 'internetworking'. It uses bot
The term "forest" is used to explain a collection of AD domains that share a one schema for the AD. All DC's in the forest share this schema and it is replicated in a hierarchical
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