Hadoop MCQs with answers Page - 4

Dear candidates you will find MCQ questions of Hadoop here. Learn these questions and prepare yourself for coming examinations and interviews. You can check the right answer of any question by clicking on any option or by clicking view answer button.
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S

Shiva Ram • 30.44K Points
Instructor I 

Q. MapReduce has undergone a complete overhaul in hadoop is . . . . . . . .

  • (A) 0.21
  • (B) 0.23
  • (C) 0.24
  • (D) 0.26

R

Ravi Shankar • 4.19K Points
Extraordinary 

Q. Point out the correct statement.

  • (A) When there is enough space, block replicas are stored according to the storage type list
  • (B) One_SSD is used for storing all replicas in SSD
  • (C) Hot policy is useful only for single replica blocks
  • (D) All of the mentioned

B

Bhagwan Das • 4.44K Points
Extraordinary 

Q. . . . . . . . . takes node and rack locality into account when deciding which blocks to place in the same split.

  • (A) CombineFileOutputFormat
  • (B) CombineFileInputFormat
  • (C) TextFileInputFormat
  • (D) None of the mentioned

G

Gopal Sharma • 38.32K Points
Coach 

Q. 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

R

Rakesh Kumar • 28.44K Points
Instructor II 

Q. 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

N

Neelam Mittal • 4.57K Points
Extraordinary 

Q. 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

G

Gopal Sharma • 38.32K Points
Coach 

Q. . . . . . . . . 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

B

Bhagwan Das • 4.44K Points
Extraordinary 

Q. 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

R

Rakesh Kumar • 28.44K Points
Instructor II 

Q. 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

V

Vikash Gupta • 33.56K Points
Instructor I 

Q. 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

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