DISTRIBUTED COMPUTING Question paper I

_{16 marks:}

_{1. Write a short note on}

   _{(I) Nested transactions and locks}

   _{(II) Explain concurrency control in Distributed Transactions}

_{2. (I) describe the time stamp ordering technique for transactions.}

   _{(II) Explain the two phases commit protocol for nested transactions.}

_{3. (I) Explain the Distributed dead locks in detail.}

    _{(II) Explain the Optimistic concurrency in Distributed Transactions.}

_{4. Explain any one algorithm for Mutual Exclusions and Election algorithm.}

_{2 Marks:}

_{1.      Define the terms, “Physical clocks and logical clocks”.}

_{2.      List out issues of Multicasting Communication.}

_{3.      What is ACID?}

_{4.      List the functions of a recovery manager for transactions.}

_{5.      Write a note on Time Stamp Ordering with an example.}

_{6.      What is concurrency control?}

DISTRIBUTED COMPUTING Question paper

CONTINIOUS INTERNAL ASSESSMENT TEST – I

VII SEM – B.E. (CSE)

DISTRIBUTED COMPUTING

TIME: 90 MINUTES                                                MAX.MARKS: 50

DATE OF EXAM:                                                    SESSION:   .N.     

PART A (Answer All Questions)                                    07 X 2 = 14

1.      What is distributed systems? Give various examples of Distributed Systems.

2.      Write Short notes about :1.Types of Networks, 2. Internet protocols.

3.      Explain about CORBA

4.      Difference between buffering and caching?

5.      Define data marshalling

6.      Define distributed objects?

7.      Explain about ISP?

PART B (Answer All Questions)                       3 X 12 = 36

8. Write short notes on:

                (I).Resource Sharing                                       (II).DNS

9. Define distributed system. Explain the characteristics of a distributed system.

10. What are the implementations issues of RPC?