πŸ“Š Hadoop
Q. Yarn commands are invoked by the . . . . . . . . script.
  • (A) hive
  • (B) bin
  • (C) hadoop
  • (D) home
πŸ’¬ Discuss
βœ… Correct Answer: (B) bin
πŸ“Š Hadoop
Q. The . . . . . . . . provides a proxy between the web applications exported by an application and an end user.
  • (A) ProxyServer
  • (B) WebAppProxy
  • (C) WebProxy
  • (D) None of the mentioned
πŸ’¬ Discuss
βœ… Correct Answer: (B) WebAppProxy
πŸ“Š Hadoop
Q. . . . . . . . . gets the diagnostic messages for a given task attempt.
  • (A) getTaskOutputFilter(Configuration conf)
  • (B) getTaskReports(TaskType type)
  • (C) getTrackingURL()
  • (D) all of the mentioned
πŸ’¬ Discuss
βœ… Correct Answer: (A) getTaskOutputFilter(Configuration conf)
πŸ“Š Hadoop
Q. Which of the following is the only way of running mappers?
  • (A) MapReducer
  • (B) MapRunner
  • (C) MapRed
  • (D) All of the mentioned
πŸ’¬ Discuss
βœ… Correct Answer: (B) MapRunner
πŸ“Š Hadoop
Q. . . . . . . . . method adds the deprecated key to the global deprecation map.
  • (A) addDeprecits
  • (B) addDeprecation
  • (C) keyDeprecation
  • (D) none of the mentioned
πŸ’¬ Discuss
βœ… Correct Answer: (B) addDeprecation
πŸ“Š Hadoop
Q. reduceProgress() gets the progress of the job's reduce-tasks, as a float between . . . . . . . .
  • (A) 0.0-1.0
  • (B) 1.0-2.0
  • (C) 2.0-3.0
  • (D) None of the mentioned
πŸ’¬ Discuss
βœ… Correct Answer: (A) 0.0-1.0
πŸ“Š Hadoop
Q. Which of the following is only for storage with limited compute?
  • (A) Hot
  • (B) Cold
  • (C) Warm
  • (D) All_SSD
πŸ’¬ Discuss
βœ… Correct Answer: (B) Cold
πŸ“Š Hadoop
Q. The CapacityScheduler has a predefined queue called . . . . . . . .
  • (A) domain
  • (B) root
  • (C) rear
  • (D) all of the mentioned
πŸ’¬ Discuss
βœ… Correct Answer: (B) root
πŸ“Š Hadoop
Q. YARN's dynamic allocation of cluster resources improves utilization over more static . . . . . . . . rules used in early versions of Hadoop.
  • (A) Hive
  • (B) MapReduce
  • (C) Imphala
  • (D) All of the mentioned
πŸ’¬ Discuss
βœ… Correct Answer: (B) MapReduce
πŸ“Š Hadoop
Q. Point out the wrong statement.
  • (A) Data transfer protocol of DataNode does not use the RPC framework of Hadoop
  • (B) Apache Oozie which access the services of Hadoop on behalf of end users need to be able to impersonate end users
  • (C) DataNode must authenticate itself by using privileged ports which are specified by dfs.datanode.address and dfs.datanode.http.address
  • (D) None of the mentioned
πŸ’¬ Discuss
βœ… Correct Answer: (D) None of the mentioned