Cochin University of Science and Techology (CUST) 2006-6th Sem B.Tech Information Technology ,, IT 604 Distributed Computing - Question Paper
BTSfC)- VI .<* 020(A)
B. Tech. Degree VI Semester Examination,
June 2006
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IT 604 DISTRIBUTED COMPUTING | |||
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(Prier to 2002Admuslonsl | |||
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Time: 3 Hours |
Maximum Mariu 100 | ||
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1 |
) |
What do you mean by distributnd systtms? Explain tbe design requirements of | |
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distributed system architectures. |
(10) | ||
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b) |
Describe key characteristics of distributed systems |
(10) | |
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OR | |||
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II |
a) |
Explain Remote Procedure CaJ with diagram |
(8) |
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b) |
Explain design issues for Remote Method Invocation. |
(12) | |
III a) Discuss about processes and ttovads in distributed operating sysfrms. (10) b) Explain distributed file system equiremenu. (10)
OR
IV ) What do you mean by name spaces and name resolution? (10) b) What do you mean by Domain Name System? (10)
V a) Why is computer clock synchrtokatton necessary? (8) b) Explain network time protocol. (12)
OR
VI a) What is distributed mutual exclusion? Explain any one algoridw. for mutual
exclusion. (12)
b) Explain different types of replkation- (8)
VII a) Explain problems encountered in coacuiTency and bow n can be (voided. (12)
b) What do you mean by: (i) dirty read? (ii) c< seeding aborts? (8)
OR
VIU ) What doyou mean by deadlock Explain distributed deadlocks. odphantom
deadlocks. (10)
b) Explain concurrency control in dtstnboted transactions. (10)
IX Write tMon notes on:
(i) Logging (H) Shadow vc rsiom (20)
OR
X Write iMo/1 nous on:
(i) Digital signs um (ii) Crypcograiihy (20)
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Attachment: |
| Earning: Approval pending. |
