NoSQL Databases with HBase MCQ question and answer with solution

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What is the significance of the HBase ZooKeeper integration?

A) A distributed file system B) A query language for HBase C) Coordinate and manage distributed services in HBase D) A storage format in Hadoop

Discuss

Answer & Solution

Answer: Option C

No explanation is given for this question. Let's Discuss on Board

In HBase, what is the purpose of the Put operation?

A) Sort records based on a column B) Group records based on a condition C) Join records from multiple tables D) Add or update data in an HBase table

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Answer & Solution

Answer: Option D

No explanation is given for this question. Let's Discuss on Board

What is the role of the HBase Write-Ahead Log (WAL)?

A) Record changes to data before they are applied to the HBase table B) Execute MapReduce jobs C) Manage computation resources D) Perform data analytics in Hadoop

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Answer & Solution

Answer: Option A

No explanation is given for this question. Let's Discuss on Board

In HBase, what is the significance of the HBase Coprocessors?

A) A distributed file system B) A query language for HBase C) A storage format in Hadoop D) Allow custom logic to be executed on HBase data operations

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Answer & Solution

Answer: Option D

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What is the primary purpose of the HBase Bloom Filters?

A) Sort records based on a column B) Group records based on a condition C) Improve read performance by filtering unnecessary data D) Join records from multiple tables

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Answer & Solution

Answer: Option C

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In HBase, what is the purpose of the HBase Filter?

A) A query language for HBase B) Filter data during scans and queries C) A distributed file system D) None of the above

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Answer & Solution

Answer: Option B

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What is the primary role of the HBase REST API in HBase?

A) Perform data analytics in Hadoop B) Manage computation resources C) Provide a web interface for interacting with HBase D) Execute MapReduce jobs

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Answer & Solution

Answer: Option C

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In HBase, what does the term "MemStore" refer to?

A) A storage format in Hadoop B) A query language for HBase C) A distributed file system D) In-memory storage for recent writes

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Answer & Solution

Answer: Option D

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What is the purpose of the HBase Bulk Loading feature?

A) Efficiently load large amounts of data into HBase B) Sort records based on a column C) Group records based on a condition D) Join records from multiple tables

Discuss

Answer & Solution

Answer: Option A

No explanation is given for this question. Let's Discuss on Board

In HBase, what is the role of the HBase Snapshots feature?

A) A distributed file system B) A query language for HBase C) A storage format in Hadoop D) Create point-in-time backups of HBase tables

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Answer & Solution

Answer: Option D

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NoSQL Databases with HBase MCQ question and answer with solution | Hadoop MCQs