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raviteja bavandla

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Apr 23, 2012, 9:07:24 AM4/23/12
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1. Explain the error detection methods with examples (vrc,lrc and check sum)
2. Define an error and types of errors with respect to redundancy check.
3. Explain structure of switching with respect to packet switching and
circuit switching.
4. Explain the concept of switching and types of switching.
5. Explain data transmission methods with examples (guided and unguided). 
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