NoSQL Databases with HBase MCQ question and answer with solution

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In HBase, what is the purpose of the HBase Write-Ahead Log (WAL)?

A) Join records from multiple tables B) Group records based on a condition C) Record changes to data before they are applied to the HBase table D) Sort records based on a column

Discuss

Answer & Solution

Answer: Option C

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

What is the primary role of the HBase Compaction Scheduler?

A) Execute MapReduce jobs B) Manage computation resources C) Perform data analytics in Hadoop D) Schedule and coordinate compaction tasks in HBase

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Answer & Solution

Answer: Option D

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

In HBase, what is the significance of the HBase Block Cache?

A) Cache frequently accessed HFile blocks for faster reads B) A storage format in Hadoop C) A query language for HBase D) A distributed file system

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Answer & Solution

Answer: Option A

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

What is the purpose of the HBase Time-to-Live (TTL) feature?

A) Join records from multiple tables B) Group records based on a condition C) Sort records based on a column D) Define the expiration time for 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

In HBase, what is the primary function of the HBase Increment Column Value?

A) Execute MapReduce jobs B) Manage computation resources C) Atomically increment the value of a specified column in HBase D) Perform data analytics in Hadoop

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Answer & Solution

Answer: Option C

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What is the role of the HBase Server Manager in HBase architecture?

A) Group records based on a condition B) Manage and monitor region servers in HBase C) Join records from multiple tables D) None of the above

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Answer & Solution

Answer: Option B

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In HBase, what does the term "HBase Coprocessor Endpoint" mean?

A) A distributed file system B) A query language for HBase C) Extension point for custom logic to be executed at specific stages of HBase operations D) A storage format in Hadoop

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Answer & Solution

Answer: Option C

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

What is the purpose of the HBase MultiDatacenter Replication feature?

A) Sort records based on a column B) Group records based on a condition C) Join records from multiple tables D) Replicate data across multiple datacenters for fault tolerance

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Answer & Solution

Answer: Option D

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

In HBase, what is the function of the HBase Block Encoding?

A) Compress and encode HFile blocks for efficient storage B) Execute MapReduce jobs C) Manage computation resources D) Perform data analytics in Hadoop

Discuss

Answer & Solution

Answer: Option A

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

What is the significance of the HBase Snapshot Isolation feature?

A) A distributed file system B) A query language for HBase C) A storage format in Hadoop D) Provide a consistent and isolated view of data for read operations

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Answer & Solution

Answer: Option D

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

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