Distributed Computing System (DCS) MCQ Questions with answers and solutions Page 4

Q. Optimistic logging protocols need to keep track of

(A) independencies
(B) checking points
(C) dependencies
(D) erroneous state

💬 Discuss

✅ Correct Answer: (C) dependencies

Published by Mr. Dubey ⭐ 111.54K Points at 14-Jun-2020 11:59 am in Distributed Computing System (DCS)

Q. 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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✅ Correct Answer: (A) all write accomplished on identical memory location in identical sequence.

Published by Mr. Dubey ⭐ 111.54K Points at 14-Jun-2020 11:59 am in Distributed Computing System (DCS)

Q. 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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✅ Correct Answer: (C) last time

Published by Mr. Dubey ⭐ 111.54K Points at 14-Jun-2020 11:59 am in Distributed Computing System (DCS)

Q. 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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✅ Correct Answer: (A) to reduce load on server

Published by Mr. Dubey ⭐ 111.54K Points at 14-Jun-2020 11:59 am in Distributed Computing System (DCS)

Q. 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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✅ Correct Answer: (B) combine check pointing with message logging

Published by Mr. Dubey ⭐ 111.54K Points at 14-Jun-2020 11:59 am in Distributed Computing System (DCS)

Q. File Replication is done to

(A) increase complexity
(B) increase cost
(C) increase reliability
(D) increase data

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✅ Correct Answer: (C) increase reliability

Published by Mr. Dubey ⭐ 111.54K Points at 14-Jun-2020 11:59 am in Distributed Computing System (DCS)

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

(A) open()
(B) create()
(C) develope()
(D) null()

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✅ Correct Answer: (B) create()

Published by Mr. Dubey ⭐ 111.54K Points at 14-Jun-2020 11:59 am in Distributed Computing System (DCS)

Q. which command is used to create a directory

(A) rmdir
(B) symlink
(C) mkdir
(D) open

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✅ Correct Answer: (C) mkdir

Published by Mr. Dubey ⭐ 111.54K Points at 14-Jun-2020 11:59 am in Distributed Computing System (DCS)

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

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

💬 Discuss

✅ Correct Answer: (B) hdfs

Published by Mr. Dubey ⭐ 111.54K Points at 14-Jun-2020 11:59 am in Distributed Computing System (DCS)

Q. In which file system mapreduce function is used?

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

💬 Discuss

✅ Correct Answer: (C) hdfs

Published by Mr. Dubey ⭐ 111.54K Points at 14-Jun-2020 11:59 am in Distributed Computing System (DCS)

Distributed Computing System (DCS) MCQs | Page - 4

Q. Optimistic logging protocols need to keep track of

Q. Processor Consistency model guarantees and conforms that

Q. Staleness deviations relate to the a replica was updated.

Q. The dynamic replication algorithm takes into account

Q. To improve performance, many distributed systems

Q. File Replication is done to

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

Q. which command is used to create a directory

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

Q. In which file system mapreduce function is used?

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