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Free C2090-101 Exam Braindumps (page: 3)

Page 2 of 27
PDF with 106 Questions

Which ONE of the following statements regarding Sqoop is TRUE?

  1. HBase is not supported as an import target
  2. Data imported using Sqoop is always written to a single Hive partition
  3. Sqoop can be used to retrieve rows newer than some previously imported set of rows
  4. Sqoop can only append new rows to a database table when exporting back to a database

Answer(s): C


Reference:

https://sqoop.apache.org/docs/1.4.1-incubating/SqoopUserGuide.html



Which one of the following statements is TRUE?

  1. Spark SQL does not support HiveQL
  2. Spark SQL does not support ANSI SQL
  3. To use Spark with Hive, HiveQL queries have to rewritten in Scala
  4. Spark SQL allows relational queries expressed in SQL, HiveQL, or Scala

Answer(s): D


Reference:

https://spark.apache.org/docs/1.2.1/sql-programming-guide.html (overview)



Which of the following statements regarding Big SQL is TRUE?

  1. Big SQL doesn't support stored procedures
  2. Big SQL can be deployed on a subset of data nodes in the BigInsights cluster
  3. Big SQL provides a SQL-on-Hadoop environment based on map reduce
  4. Only tables created or loaded via Big SQL can be accessed via Big SQL

Answer(s): B


Reference:

https://books.google.com.pk/books?id=t13nCQAAQBAJ&pg=PA3&lpg=PA3&dq=Big+SQL+can+be +deployed+on+a+subset+of+data+nodes+in+the+BigInsights +cluster&source=bl&ots=RBbad0Xkel&sig=pMgmgDNLGUrkvOSXoVBj64xTMgk&hl=en&sa=X&redir_ esc=y#v
=onepage&q=Big%20SQL%20can%20be%20deployed%20on%20a%20subset%20of%20data%20node s% 20in%20the%20BigInsights%20cluster&f=false



The number of partitions created by DynamicPartitions in Hive can be controlled by which of the following?

  1. hive.exec.max.dynamic.partitions.pernode
  2. hive.exec.max.dynamic.partitions
  3. hive.exec.max.created.files
  4. All of the above

Answer(s): A


Reference:

https://resources.zaloni.com/blog/partitioning-in-hive






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