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 MAR Networks Model Question Paper 2011 First on Net

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PostSubject: MAR Networks Model Question Paper 2011 First on Net   Mon Oct 03, 2011 2:42 am










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M.A.R COLLEGE OF ENGINEERING AND TECHNOLOGY


VIRALIMALAI
- 621 316.



DEPARTMENT
OF COMPUTER SCIENCE AND ENGINEERING



CS1302 COMPUTER NETWORKS


YEAR/SEM:
III/V MODEL EXAM MARKS: 100



DATE: /10/11 THIRD YEAR
DURATION: 3 HOURS






PART
–A (10X2=20)






1.
Why
are protocols needed?



2.
Write
three fundamental characteristics of an effective data communication system.



3.
Mention
the types of errors.



4.
Write
short notes on SONET.



5.
What
is meant by hop count?



6.
What
is a virtual circuit?



7.
Why
the congestion occur in network?



8.
Define
Qos.



9.
What
is the purpose of HTML?



10. What is the purpose of Domain
Name System?






PART
–B (5X16=80)






11)
Explain all the seven layers present
in ISO/OSI reference model with suitable diagram.



(Or)


12) Discuss in detail with the RS232 interfacing sequences.





13) Explain in detail the execution of a
complete Instruction.



(Or)


14)
Explain the organization of micro
programmed control unit?






15)
Explain the Influence of pipelining
on Instruction set design.



(Or)





16) Explain in detail about instruction
Hazards?






17) Explain the performance issues of cache
memories?



(Or)


18) Sketch the Virtual Memory organization. Discuss the virtual
memory address translation.






19)
a) Explain the two approaches of bus
arbitration.



b) Discuss synchronous
and asynchronous buses.



(Or)


20) Explain the different interrupt priority.





********* There is no substitute
for Hardwork *********



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