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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. Explain about Star Backbone network? - Collapsed or switched backbone - Backbone is just one switch that connects LANs - Utilized as distribution backbone inside a bui
FIBER OPTIC EXTENSION: The LAN extension using fiber optic is given in the figure below: Figure The fiber-modem translates digital data into pulses of light the
Explain is the concept of routing tables?
RIP timers
PARTS COUNT METHOD This prediction method is applicable at preliminary stages, during bid proposal and early design phases; when insufficient information is available regardin
Q. Diffrence between Network vs Internet Layers? - Similar to all the other OSI Layers the network layer provides both connectionless and connection-oriented services. From th
PVM uses two environment variables when starting and running. Every PVM user needs to set these two variables to use PVM. The initial variable is PVM_ROOT, which is set to the loca
Q. What is Bipolar Encoding? - Uses three voltage levels negative, positive and zero - Zero level represents binary 0; 1s are represented with alternating positive and negat
Mail Message Format When an e mail is sent from one person to another a header containing peripheral information precedes the body of the message itself. This contained
Question : (a) Describe how ‘prototyping' is important to RAD. (b) List main features of ‘prototyping'. (c) List main principles of DSDM. (d) Describe the DSDM life-
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