RTU 2015 Question Paper Semester VIII Computer Science and Engineering Distributed Systems

RollNo. TotatNoofpages: I CN o o 885003 B. Tech. VIII Sem. (Main) Exam., April, 2015 |n Computer Science & Engineering EII 6 8CS3 Distributed Systems Time: 3 Hours Maximum Marks: 80 Min. Passing Marks: 24 Instructions to C andidate s : Attempt any five questions, selecting one qaestion from each unit. All questions carry equal marks. Schematic diagrams must be sh,own wherever necessary. Any datayoufeel missing suitably be assumed and stated clearly. units of quantities used./calculated must be stated clearly. Use of following supporting material is permitted during examination. (Mentioned in.form No. 205) I. NIL 2.NIL UNIT - I Q.l What are the differences among cluster computing, grid computing and cloud computing? Explain. t16l OR Q.l what are the goals behind developing distribured systems? Explain. t16l Q.2(a)CanaSerVerworkasu",,"*ffiasystem?Explain. t8l (b) Is there any difference berween vertical and horizontal fragmentation? Explain t8I lBEs003l Page I ofZ [70801

OR Q.2 State the characteristics of a concurent programming language. l16l UNIT .III Q.3 When do you prefer coda file system? Justify your answer' tl6l OR Q.3 Explain the working of Bit Torrent file system with a neat diagram. Il6l UNIT - IV different with Q.4 What do you understand by distributed deadlock handling? How is it centralized dehdlock handling concept? t16l OR Q.4 What is a distributed pervasive system? Explain it with a suitable example and a neat sketch. t16l UNIT - V Q.5 Write short notes on any two:-. t16l (a) ByzantineAgreement (b) CORBA Services (b) Randomized Distributed Agreement OR e.5 Fxplain the concepts of relocation, migration and failure transparency. ll6l [8Eso03] Page2 ofZ [7o8ol