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Welcome to the ZooKeeper,Sqoop and Cassandra MCQs Page

Dive deep into the fascinating world of ZooKeeper,Sqoop and Cassandra with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of ZooKeeper,Sqoop and Cassandra, a crucial aspect of Hadoop. In this section, you will encounter a diverse range of MCQs that cover various aspects of ZooKeeper,Sqoop and Cassandra, from the basic principles to advanced topics. Each question is thoughtfully crafted to challenge your knowledge and deepen your understanding of this critical subcategory within Hadoop.

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Check out the MCQs below to embark on an enriching journey through ZooKeeper,Sqoop and Cassandra. Test your knowledge, expand your horizons, and solidify your grasp on this vital area of Hadoop.

Note: Each MCQ comes with multiple answer choices. Select the most appropriate option and test your understanding of ZooKeeper,Sqoop and Cassandra. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

ZooKeeper,Sqoop and Cassandra MCQs | Page 3 of 11

Q21.
Zookeeper keep track of the cluster state such as the ______ table location.
Discuss
Answer: (c).ROOT
Q22.
The ________ master will register its own address in this znode at startup, making this znode the source of truth for identifying which server is the Master.
Discuss
Answer: (a).active
Q23.
___________ is used to decommission more than one RegionServer at a time by creating sub-znodes.
Discuss
Answer: (b)./hbase/draining
Q24.
The ______ znode is used for synchronizing the changes made to the _acl_ table by the grant/revoke commands.
Discuss
Answer: (b).acl
Q25.
BigDecimal is comprised of a ________ with an integer ‘scale’ field.
Discuss
Answer: (b).BigInteger
Q26.
ClobRef is a wrapper that holds a CLOB either directly or a reference to a file that holds the ______ data.
Discuss
Answer: (a).CLOB
Q27.
__________ encapsulates a set of delimiters used to encode a record.
Discuss
Answer: (c).DelimiterSet
Q28.
_________ supports null values for all types.
Discuss
Answer: (d).JdbcWritableBridge
Q29.
Which of the following is a singleton instance class?
Discuss
Answer: (a).LargeObjectLoader
Q30.
Which of the following class is used for general processing of error?
Discuss
Answer: (b).ProcessingException
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