Advanced MapReduce Concepts MCQ question and answer with solution

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Each section contains 100 MCQs on Advanced MapReduce Concepts .

Point out the wrong statement.

A) Hadoop works better with a small number of large files than a large number of small files B) CombineFileInputFormat is designed to work well with small files C) CombineFileInputFormat does not compromise the speed at which it can process the input in a typical MapReduce job D) None of the mentioned

Discuss

Answer & Solution

Answer: Option C

No explanation is given for this question. Let's Discuss on Board

The . . . . . . . . requires that paths including and leading up to the directories specified in yarn.nodemanager.local-dirs.

A) TaskController B) LinuxTaskController C) LinuxController D) None of the mentioned

Discuss

Answer & Solution

Answer: Option B

No explanation is given for this question. Let's Discuss on Board

The . . . . . . . . is the ultimate authority that arbitrates resources among all the applications in the system.

A) NodeManager B) ResourceManager C) ApplicationMaster D) All of the mentioned

Discuss

Answer & Solution

Answer: Option B

No explanation is given for this question. Let's Discuss on Board

. . . . . . . . is the base class for all implementations of InputFormat that use files as their data source.

A) FileTextFormat B) FileInputFormat C) FileOutputFormat D) None of the mentioned

Discuss

Answer & Solution

Answer: Option B

No explanation is given for this question. Let's Discuss on Board

Point out the correct statement.

A) YARN also extends the power of Hadoop to incumbent and new technologies found within the data center B) YARN is the central point of investment for Hortonworks within the Apache community C) YARN enhances a Hadoop compute cluster in many ways D) All of the mentioned

Discuss

Answer & Solution

Answer: Option D

No explanation is given for this question. Let's Discuss on Board

Point out the correct statement.

A) Configuration parameters may be declared static B) Unless explicitly turned off, Hadoop by default specifies two resources C) Configuration class provides access to configuration parameters D) None of the mentioned

Discuss

Answer & Solution

Answer: Option A

No explanation is given for this question. Let's Discuss on Board

Point out the wrong statement.

A) addDeprecations adds a set of deprecated keys to the global deprecations B) configuration parameters cannot be declared final C) addDeprecations method is lockless D) none of the mentioned

Discuss

Answer & Solution

Answer: Option B

No explanation is given for this question. Let's Discuss on Board

. . . . . . . . is used for writing blocks with single replica in memory.

A) Hot B) Lazy_Persist C) One_SSD D) All_SSD

Discuss

Answer & Solution

Answer: Option B

No explanation is given for this question. Let's Discuss on Board

Which of the following class provides access to configuration parameters?

A) Config B) Configuration C) OutputConfig D) None of the mentioned

Discuss

Answer & Solution

Answer: Option B

No explanation is given for this question. Let's Discuss on Board

An . . . . . . . . is responsible for creating the input splits, and dividing them into records.

A) TextOutputFormat B) TextInputFormat C) OutputInputFormat D) InputFormat

Discuss

Answer & Solution

Answer: Option D

No explanation is given for this question. Let's Discuss on Board

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Advanced MapReduce Concepts MCQ question and answer with solution | Hadoop MCQs