Hadoop MCQs with answers Page - 2

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.
Share your questions by clicking Add Question

📊 Hadoop
Q. . . . . . . . . will clear the RMStateStore and is useful if past applications are no longer needed.
  • (A) -format-state
  • (B) -form-state-store
  • (C) -format-state-store
  • (D) none of the mentioned
💬 Discuss
✅ Correct Answer: (C) -format-state-store
📊 Hadoop
Q. . . . . . . . . is used for storing one of the replicas in SSD.
  • (A) Hot
  • (B) Lazy_Persist
  • (C) One_SSD
  • (D) All_SSD
💬 Discuss
✅ Correct Answer: (C) One_SSD
📊 Hadoop
Q. Point out the correct statement.
  • (A) Mover is not similar to Balancer
  • (B) hdfs dfsadmin -setStoragePolicy <path> <policyName> puts a storage policy to a file or a directory.
  • (C) addCacheArchive add archives to be localized
  • (D) none of the mentioned
💬 Discuss
✅ Correct Answer: (C) addCacheArchive add archives to be localized
📊 Hadoop
Q. . . . . . . . . class allows you to specify the InputFormat and Mapper to use on a per-path basis.
  • (A) MultipleOutputs
  • (B) MultipleInputs
  • (C) SingleInputs
  • (D) None of the mentioned
💬 Discuss
✅ Correct Answer: (B) MultipleInputs
📊 Hadoop
Q. The . . . . . . . . is a framework-specific entity that negotiates resources from the ResourceManager.
  • (A) NodeManager
  • (B) ResourceManager
  • (C) ApplicationMaster
  • (D) All of the mentioned
💬 Discuss
✅ Correct Answer: (C) ApplicationMaster
📊 Hadoop
Q. . . . . . . . . method clears all keys from the configuration.
  • (A) clear
  • (B) addResource
  • (C) getClass
  • (D) none of the mentioned
💬 Discuss
✅ Correct Answer: (A) clear
📊 Hadoop
Q. The . . . . . . . . is responsible for allocating resources to the various running applications subject to familiar constraints of capacities, queues etc.
  • (A) Manager
  • (B) Master
  • (C) Scheduler
  • (D) None of the mentioned
💬 Discuss
✅ Correct Answer: (C) Scheduler
📊 Hadoop
Q. Point out the wrong statement.
  • (A) A Storage policy consists of the Policy ID
  • (B) The storage policy can be specified using the "dfsadmin -setStoragePolicy" command
  • (C) dfs.storage.policy.enabled is used for enabling/disabling the storage policy feature
  • (D) None of the mentioned
💬 Discuss
✅ Correct Answer: (D) None of the mentioned
📊 Hadoop
Q. An input . . . . . . . . is a chunk of the input that is processed by a single map.
  • (A) textformat
  • (B) split
  • (C) datanode
  • (D) all of the mentioned
💬 Discuss
✅ Correct Answer: (B) split
📊 Hadoop
Q. . . . . . . . . is useful for iterating the properties when all deprecated properties for currently set properties need to be present.
  • (A) addResource
  • (B) setDeprecatedProperties
  • (C) addDefaultResource
  • (D) none of the mentioned
💬 Discuss
✅ Correct Answer: (B) setDeprecatedProperties

Programming Categories

📱 Download Our App

Learn MCQs on the go with our easy-to-use Android app

Get it on Google Play