Cloud Computing MCQ Questions with answers and solutions Page 61

Q. Hadoop achieves reliability by replicating the data across multiple hosts and hence does not require storage on hosts.

(A) raid
(B) standard raid levels
(C) zfs
(D) operating system

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✅ Correct Answer: (A) raid

Published by Ram Sharma ⭐ 193.88K Points at 08-Feb-2025 07:49 pm in Cloud Computing

Q. What was Hadoop written in?

(A) java (software platform)
(B) perl
(C) java (programming language)
(D) lua (programming language)

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✅ Correct Answer: (C) java (programming language)

Published by Vinay ⭐ 28.75K Points at 08-Feb-2025 07:49 pm in Cloud Computing

Q. The Hadoop list includes the HBase database, the Apache Mahout system, and matrix operations.

(A) machine learning
(B) pattern recognition
(C) statistical classification
(D) artificial intelligence

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✅ Correct Answer: (A) machine learning

Published by Rakesh Kumar ⭐ 28.44K Points at 08-Feb-2025 07:49 pm in Cloud Computing

Q. The Mapper implementation processes one line at a time via method. TOPIC 5.2 MAPREDUCE

(A) map
(B) reduce
(C) mapper
(D) reducer

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✅ Correct Answer: (A) map

Published by Ram Sharma ⭐ 193.88K Points at 08-Feb-2025 07:49 pm in Cloud Computing

Q. The Hadoop MapReduce framework spawns one map task for each generated by the InputFormat for the job.

(A) outputsplit
(B) inputsplit
(C) inputsplitstream
(D) all of the mentioned

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✅ Correct Answer: (B) inputsplit

Published by Vijay Sangwan ⭐ 28.62K Points at 08-Feb-2025 07:49 pm in Cloud Computing

Q. Applications can use the to report progress and set application-level status messages.

(A) partitioner
(B) outputsplit
(C) reporter
(D) all of the mentioned

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✅ Correct Answer: (C) reporter

Published by Vinay ⭐ 28.75K Points at 08-Feb-2025 07:49 pm in Cloud Computing

Q. The right level of parallelism for maps seems to be around maps per- node.

(A) 1-10
(B) 10-100
(C) 100-150
(D) 150-200

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✅ Correct Answer: (B) 10-100

Published by Ranjeet ⭐ 34.60K Points at 08-Feb-2025 07:49 pm in Cloud Computing

Q. The number of reduces for the job is set by the user via

(A) jobconf.setnumtasks(int)
(B) jobconf.setnumreducetasks(int)
(C) jobconf.setnummaptasks(int)
(D) all of the mentioned

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✅ Correct Answer: (B) jobconf.setnumreducetasks(int)

Published by Praveen Singh ⭐ 36.81K Points at 08-Feb-2025 07:49 pm in Cloud Computing

Q. The framework groups Reducer inputs by key in stage.

(A) sort
(B) shuffle
(C) reduce
(D) none of the mentioned

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✅ Correct Answer: (A) sort

Published by Vikash Gupta ⭐ 33.56K Points at 08-Feb-2025 07:49 pm in Cloud Computing

Q. The output of the reduce task is typically written to the FileSystem via

(A) outputcollector.collect
(B) outputcollector.get
(C) outputcollector.receive
(D) outputcollector.put

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✅ Correct Answer: (A) outputcollector.collect

Published by Vikash Gupta ⭐ 33.56K Points at 08-Feb-2025 07:49 pm in Cloud Computing

Cloud Computing MCQs with answers Page - 61

Q. Hadoop achieves reliability by replicating the data across multiple hosts and hence does not require storage on hosts.

Q. What was Hadoop written in?

Q. The Hadoop list includes the HBase database, the Apache Mahout system, and matrix operations.

Q. The Mapper implementation processes one line at a time via method. TOPIC 5.2 MAPREDUCE

Q. The Hadoop MapReduce framework spawns one map task for each generated by the InputFormat for the job.

Q. Applications can use the to report progress and set application-level status messages.

Q. The right level of parallelism for maps seems to be around maps per- node.

Q. The number of reduces for the job is set by the user via

Q. The framework groups Reducer inputs by key in stage.

Q. The output of the reduce task is typically written to the FileSystem via

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