Q. How many types of special znodes are present in Zookeeper?

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Q. To register a “watch” on a znode data, you need to use the _______ commands to access the current content or metadata.

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Q. _______ has a design policy of using ZooKeeper only for transient data.

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Q. Zookeeper keep track of the cluster state such as the ______ table location.

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Q. 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.

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Q. ___________ is used to decommission more than one RegionServer at a time by creating sub-znodes.

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Q. The ______ znode is used for synchronizing the changes made to the _acl_ table by the grant/revoke commands.

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Q. BigDecimal is comprised of a ________ with an integer ‘scale’ field.

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Q. ClobRef is a wrapper that holds a CLOB either directly or a reference to a file that holds the ______ data.

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Q. __________ encapsulates a set of delimiters used to encode a record.

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Q. _________ supports null values for all types.

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Q. Which of the following is a singleton instance class?

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Q. Which of the following class is used for general processing of error?

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Q. Records are terminated by a __________ character.

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Q. The fields parsed by ____________ are backed by an internal buffer.

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Q. Which of the following interface is implemented by Sqoop for recording?

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Q. Sqoop is an open source tool written at ________

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Q. Sqoop uses _________ to fetch data from RDBMS and stores that on HDFS.

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Q. _________ allows users to specify the target location inside of Hadoop.

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Q. Microsoft uses a Sqoop-based connector to help transfer data from _________ databases to Hadoop.

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