Andhra University 2008-2nd Year M.C.A Elective-1: DISTRIBUTED SYSTEMS/ : Second Semester/ - Question Paper

[52214]
M.C.A. Degree exam
2nd Year: 2nd Semester
Elective-1: DISTRIBUTED SYSTEMS
(Effective from the admitted batch of 2004-2005)

Time: 3hrs. Max. Marks: 100

1st ques. is compulsory.
ans any 4 from the remaining ques..
All ques. carry equal marks
ans all parts of any ques. at 1 place





1. Explain the following:
a)Distributed System.
b)Types of Networks
c)Remote procedure call
d)Resource Sharing
e)Domain Name Systems.
f)Process states.
g)Locks
h)Clocks
i)Flat Distributed Transaction.


2. a) discuss fundamental models.
b)Explain salient features of ATM


3. Discuss about communication ranging from distributed object in JAVA RMI.

4. Describe the Andrew File System and explain about its latest advances.

5. a)Discuss about X.500 directory service.
b)Expain Lamport Time Stamp Algorithm.

6 a)Compare and contrast various methods for concurrency control.
b)Discuss about need for distributed mutual exclusion.

7 a)Discuss about distributed deadlocks.
b)Explain Fault tolerant services.


8 Write short notes on:
a)Distributed Debugging.
b)Multicast Communication
c)Discovery services
d)Transactions with replicated data.

Earning:   Approval pending.