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MCQs

Total Questions : 16 | Page 2 of 2 pages
Question 11. The AvroSerde has been built and tested against Hive 0.9.1 and later, and uses Avro _______ as of Hive 0.13 and 0.14.
  1.    1.7.4
  2.    1.7.2
  3.    1.7.3
  4.    None of the mentioned
 Discuss Question
Answer: Option D. -> None of the mentioned


The AvroSerde uses Avro 1.7.5.


Question 12. Point out the wrong statement :
  1.    HBase provides only sequential access of data
  2.    HBase provides high latency batch processing
  3.    HBase internally provides serialized access
  4.    All of the mentioned
 Discuss Question
Answer: Option C. -> HBase internally provides serialized access


HBase internally uses Hash tables and provides random access.


Question 13. The _________ Server assigns regions to the region servers and takes the help of Apache ZooKeeper for this task.
  1.    Region
  2.    Master
  3.    Zookeeper
  4.    All of the mentioned
 Discuss Question
Answer: Option B. -> Master


Master Server maintains the state of the cluster by negotiating the load balancing.


Question 14. Which of the following command provides information about the user ?
  1.    status
  2.    version
  3.    whoami
  4.    user
 Discuss Question
Answer: Option C. -> whoami


status command provides the status of HBase, for example, the number of servers.


Question 15. _________ is a shell utility which can be used to run Hive queries in either interactive or batch mode.
  1.    $HIVE/bin/hive
  2.    $HIVE_HOME/hive
  3.    $HIVE_HOME/bin/hive
  4.    All of the mentioned
 Discuss Question
Answer: Option C. -> $HIVE_HOME/bin/hive


Various types of command line operations are available in the shell utilty.


Question 16. The _________ suffers from the monotonically increasing rowkey problem
  1.    rowkey
  2.    columnkey
  3.    counterkey
  4.    All of the mentioned
 Discuss Question
Answer: Option A. -> rowkey


Attention must be paid to the number of buckets, because this will require the same number of scans to return results.


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