Nosql Databases With Hbase — Part 2 MCQs with Explanations
Practice high-yield Computer Science & IT MCQs on Nosql Databases With Hbase — Part 2 with worked academic solutions for PPSC, FPSC, CSS, PMS, NTS.
Questions
20
Difficulty Level
Exam-Level
Target Exams
PPSC, FPSC, CSS...
Estimated Time
24 mins
Exam-Level PPSC FPSC CSS PMS NTS
Verified for Commission Syllabus • Oct 14, 2026
20
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Question 1 of 20
★ PPSC
★ FPSC
★ PPSC
★ FPSC
In HBase, what is the primary purpose of the HBase Online Schema Change?
Correct Answer: Option C — Modify the schema of an HBase table without requiring downtime
Detailed Academic Explanation:
Modify the schema of an HBase table without requiring downtime is the correct answer to “In HBase, what is the primary purpose of the HBase Online Schema Change”. This question is standard in competitive examination syllabi for Nosql Databases With Hbase.
💡Key Conceptual Anchor:Nosql Databases With Hbase
Question 2 of 20
★ PPSC
★ FPSC
★ PPSC
★ FPSC
What is the role of the HBase Region Locator in HBase architecture?
Correct Answer: Option B — Determine the location of regions in HBase
Detailed Academic Explanation:
Determine the location of regions in HBase is the correct answer to “What is the role of the HBase Region Locator in HBase architecture”. This question is standard in competitive examination syllabi for Nosql Databases With Hbase.
💡Key Conceptual Anchor:Nosql Databases With Hbase
Question 3 of 20
★ PPSC
★ FPSC
★ PPSC
★ FPSC
In HBase, what does the term "HBase MemStore Flush" refer to?
Correct Answer: Option A — Process of flushing in-memory data to disk in HBase
Detailed Academic Explanation:
Process of flushing in-memory data to disk in HBase is the correct answer to “In HBase, what does the term "HBase MemStore Flush" refer to”. This question is standard in competitive examination syllabi for Nosql Databases With Hbase.
💡Key Conceptual Anchor:Nosql Databases With Hbase
Question 4 of 20
★ PPSC
★ FPSC
★ PPSC
★ FPSC
What is the primary function of the HBase Load Balancer?
Correct Answer: Option D — Distribute regions among region servers to balance the workload
Detailed Academic Explanation:
Distribute regions among region servers to balance the workload is the correct answer to “What is the primary function of the HBase Load Balancer”. This question is standard in competitive examination syllabi for Nosql Databases With Hbase.
💡Key Conceptual Anchor:Nosql Databases With Hbase
Question 5 of 20
★ PPSC
★ FPSC
★ PPSC
★ FPSC
In HBase, what is the significance of the HBase Data Block Encoding?
Correct Answer: Option C — Optimize storage and retrieval of data in HBase
Detailed Academic Explanation:
Optimize storage and retrieval of data in HBase is the correct answer to “In HBase, what is the significance of the HBase Data Block Encoding”. This question is standard in competitive examination syllabi for Nosql Databases With Hbase.
💡Key Conceptual Anchor:Nosql Databases With Hbase
Question 6 of 20
★ PPSC
★ FPSC
★ PPSC
★ FPSC
In HBase, what is the purpose of the HBase Replication feature?
Correct Answer: Option B — Replicate data to another HBase cluster for disaster recovery
Detailed Academic Explanation:
Replicate data to another HBase cluster for disaster recovery is the correct answer to “In HBase, what is the purpose of the HBase Replication feature”. This question is standard in competitive examination syllabi for Nosql Databases With Hbase.
💡Key Conceptual Anchor:Nosql Databases With Hbase
Question 7 of 20
★ PPSC
★ FPSC
★ PPSC
★ FPSC
What is the primary role of the HBase HFile?
Correct Answer: Option C — Physical storage file for HBase data
Detailed Academic Explanation:
Physical storage file for HBase data is the correct answer to “What is the primary role of the HBase HFile”. This question is standard in competitive examination syllabi for Nosql Databases With Hbase.
💡Key Conceptual Anchor:Nosql Databases With Hbase
Question 8 of 20
★ PPSC
★ FPSC
★ PPSC
★ FPSC
In HBase, what does the term "HBase Region Split" mean?
Correct Answer: Option D — Divide a region into two regions for improved performance
Detailed Academic Explanation:
Divide a region into two regions for improved performance is the correct answer to “In HBase, what does the term "HBase Region Split" mean”. This question is standard in competitive examination syllabi for Nosql Databases With Hbase.
💡Key Conceptual Anchor:Nosql Databases With Hbase
Question 9 of 20
★ PPSC
★ FPSC
★ PPSC
★ FPSC
What is the purpose of the HBase Tiered Storage feature?
Correct Answer: Option A — Store data in different storage tiers based on access patterns
Detailed Academic Explanation:
Store data in different storage tiers based on access patterns is the correct answer to “What is the purpose of the HBase Tiered Storage feature”. This question is standard in competitive examination syllabi for Nosql Databases With Hbase.
💡Key Conceptual Anchor:Nosql Databases With Hbase
Question 10 of 20
★ PPSC
★ FPSC
★ PPSC
★ FPSC
In HBase, what is the role of the HBase Compaction Thread?
Correct Answer: Option D — Perform compaction tasks on HBase tables
Detailed Academic Explanation:
Perform compaction tasks on HBase tables is the correct answer to “In HBase, what is the role of the HBase Compaction Thread”. This question is standard in competitive examination syllabi for Nosql Databases With Hbase.
💡Key Conceptual Anchor:Nosql Databases With Hbase
Question 11 of 20
★ PPSC
★ FPSC
★ PPSC
★ FPSC
What is the significance of the HBase Bloom Filter Compound feature?
Correct Answer: Option C — Combine multiple Bloom filters for improved filtering
Detailed Academic Explanation:
Combine multiple Bloom filters for improved filtering is the correct answer to “What is the significance of the HBase Bloom Filter Compound feature”. This question is standard in competitive examination syllabi for Nosql Databases With Hbase.
💡Key Conceptual Anchor:Nosql Databases With Hbase
Question 12 of 20
★ PPSC
★ FPSC
★ PPSC
★ FPSC
In HBase, what is the purpose of the HBase Distributed Log Replay?
Correct Answer: Option C — Replay write-ahead logs on region servers for recovery
Detailed Academic Explanation:
Replay write-ahead logs on region servers for recovery is the correct answer to “In HBase, what is the purpose of the HBase Distributed Log Replay”. This question is standard in competitive examination syllabi for Nosql Databases With Hbase.
💡Key Conceptual Anchor:Nosql Databases With Hbase
Question 13 of 20
★ PPSC
★ FPSC
★ PPSC
★ FPSC
What is the primary function of the HBase RegionServer Lease Management?
Correct Answer: Option D — Manage leases for region servers to prevent accidental shutdowns
Detailed Academic Explanation:
Manage leases for region servers to prevent accidental shutdowns is the correct answer to “What is the primary function of the HBase RegionServer Lease Management”. This question is standard in competitive examination syllabi for Nosql Databases With Hbase.
💡Key Conceptual Anchor:Nosql Databases With Hbase
Question 14 of 20
★ PPSC
★ FPSC
★ PPSC
★ FPSC
In HBase, what is the purpose of the HBase Multi-Table feature?
Correct Answer: Option A — Support the creation and management of multiple HBase tables
Detailed Academic Explanation:
Support the creation and management of multiple HBase tables is the correct answer to “In HBase, what is the purpose of the HBase Multi-Table feature”. This question is standard in competitive examination syllabi for Nosql Databases With Hbase.
💡Key Conceptual Anchor:Nosql Databases With Hbase
Question 15 of 20
★ PPSC
★ FPSC
★ PPSC
★ FPSC
What is the role of the HBase Coprocessor Observer in HBase?
Correct Answer: Option D — Observe and intercept data operations in HBase
Detailed Academic Explanation:
Observe and intercept data operations in HBase is the correct answer to “What is the role of the HBase Coprocessor Observer in HBase”. This question is standard in competitive examination syllabi for Nosql Databases With Hbase.
💡Key Conceptual Anchor:Nosql Databases With Hbase
Question 16 of 20
★ PPSC
★ FPSC
★ PPSC
★ FPSC
In HBase, what does the term "HBase Data Block" refer to?
Correct Answer: Option C — Smallest unit of data storage in HBase
Detailed Academic Explanation:
Smallest unit of data storage in HBase is the correct answer to “In HBase, what does the term "HBase Data Block" refer to”. This question is standard in competitive examination syllabi for Nosql Databases With Hbase.
💡Key Conceptual Anchor:Nosql Databases With Hbase
Question 17 of 20
★ PPSC
★ FPSC
★ PPSC
★ FPSC
What is the purpose of the HBase Cell Level Security feature?
Correct Answer: Option B — Apply security policies at the individual cell level in HBase
Detailed Academic Explanation:
Apply security policies at the individual cell level in HBase is the correct answer to “What is the purpose of the HBase Cell Level Security feature”. This question is standard in competitive examination syllabi for Nosql Databases With Hbase.
💡Key Conceptual Anchor:Nosql Databases With Hbase
Question 18 of 20
★ PPSC
★ FPSC
★ PPSC
★ FPSC
In HBase, what is the significance of the HBase Write Pipeline?
Correct Answer: Option C — Improve the efficiency of write operations in HBase
Detailed Academic Explanation:
Improve the efficiency of write operations in HBase is the correct answer to “In HBase, what is the significance of the HBase Write Pipeline”. This question is standard in competitive examination syllabi for Nosql Databases With Hbase.
💡Key Conceptual Anchor:Nosql Databases With Hbase
Question 19 of 20
★ PPSC
★ FPSC
★ PPSC
★ FPSC
What is the role of the HBase Load Balancer in HBase architecture?
Correct Answer: Option D — Distribute regions among region servers to balance the workload
Detailed Academic Explanation:
Distribute regions among region servers to balance the workload is the correct answer to “What is the role of the HBase Load Balancer in HBase architecture”. This question is standard in competitive examination syllabi for Nosql Databases With Hbase.
💡Key Conceptual Anchor:Nosql Databases With Hbase
Question 20 of 20
★ PPSC
★ FPSC
★ PPSC
★ FPSC
In HBase, what is the purpose of the HBase Block Encoding?
Correct Answer: Option B — Compress and encode HFile blocks for efficient storage
Detailed Academic Explanation:
Compress and encode HFile blocks for efficient storage is the correct answer to “In HBase, what is the purpose of the HBase Block Encoding”. This question is standard in competitive examination syllabi for Nosql Databases With Hbase.
💡Key Conceptual Anchor:Nosql Databases With Hbase
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