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Mr. Dubey • 51.17K Points
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Q. 31) Optimistic logging protocols need to keep track of

(A) independencies
(B) checking points
(C) dependencies
(D) erroneous state
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Mr. Dubey • 51.17K Points
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Q. 32) Processor Consistency model guarantees and conforms that

(A) all write accomplished on identical memory location in identical sequence.
(B) all write accomplished on random memory location in random sequence
(C) all write accomplished on random memory location in identical sequence
(D) all write accomplished on identical memory location in random order
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Mr. Dubey • 51.17K Points
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Q. 33) Staleness deviations relate to the a replica was updated.

(A) first time
(B) most recent time
(C) last time
(D) previous time
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Mr. Dubey • 51.17K Points
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Q. 34) The dynamic replication algorithm takes into account

(A) to reduce load on server
(B) files on server can be migrated anywhere
(C) schedule process migration
(D) resource sharing
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Mr. Dubey • 51.17K Points
Coach 

Q. 35) To improve performance, many distributed systems

(A) combine check pointing with recovery oriented computing
(B) combine check pointing with message logging
(C) combine check pointing with distributed commit
(D) combine distributed commit with message logging.
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Mr. Dubey • 51.17K Points
Coach 

Q. 36) File Replication is done to

(A) increase complexity
(B) increase cost
(C) increase reliability
(D) increase data
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Mr. Dubey • 51.17K Points
Coach 

Q. 37) in NFS which funtion is used for creating new file?

(A) open()
(B) create()
(C) develope()
(D) null()
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Mr. Dubey • 51.17K Points
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Q. 38) which command is used to create a directory

(A) rmdir
(B) symlink
(C) mkdir
(D) open
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Mr. Dubey • 51.17K Points
Coach 

Q. 39) datanodes and namenode are two elements of which file system?

(A) afs
(B) hdfs
(C) nfs
(D) none of the above
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Mr. Dubey • 51.17K Points
Coach 

Q. 40) In which file system mapreduce function is used?

(A) afs
(B) nfs
(C) hdfs
(D) none of the above
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