NoSQL Databases With HBase MCQ

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• In HBase, what is the purpose of the HBase Block Encoding?
  ক

  A query language for HBase

  খ

  Compress and encode HFile blocks for efficient storage

  গ

  A distributed file system

  ঘ

  A query language for HBase
• What is the role of the HBase Load Balancer in HBase architecture?
  ক

  Sort records based on a column

  খ

  Group records based on a condition

  গ

  Join records from multiple tables

  ঘ

  Distribute regions among region servers to balance the workload
• In HBase, what is the significance of the HBase Write Pipeline?
  ক

  Perform data analytics in Hadoop

  খ

  Manage computation resources

  গ

  Improve the efficiency of write operations in HBase

  ঘ

  Execute MapReduce jobs
• What is the purpose of the HBase Cell Level Security feature?
  ক

  A query language for HBase

  খ

  Apply security policies at the individual cell level in HBase

  গ

  A distributed file system

  ঘ

  A query language for HBase
• In HBase, what does the term "HBase Data Block" refer to?
  ক

  Sort records based on a column

  খ

  Group records based on a condition

  গ

  Smallest unit of data storage in HBase

  ঘ

  Join records from multiple tables
• What is the role of the HBase Coprocessor Observer in HBase?
  ক

  Perform data analytics in Hadoop

  খ

  Manage computation resources

  গ

  Execute MapReduce jobs

  ঘ

  Observe and intercept data operations in HBase
• In HBase, what is the purpose of the HBase Multi-Table feature?
  ক

  Support the creation and management of multiple HBase tables

  খ

  A storage format in Hadoop

  গ

  A query language for HBase

  ঘ

  A distributed file system
• What is the primary function of the HBase RegionServer Lease Management?
  ক

  Sort records based on a column

  খ

  Group records based on a condition

  গ

  Join records from multiple tables

  ঘ

  Manage leases for region servers to prevent accidental shutdowns
• In HBase, what is the purpose of the HBase Distributed Log Replay?
  ক

  Perform data analytics in Hadoop

  খ

  Manage computation resources

  গ

  Replay write-ahead logs on region servers for recovery

  ঘ

  Execute MapReduce jobs
• What is the significance of the HBase Bloom Filter Compound feature?
  ক

  Sort records based on a column

  খ

  Group records based on a condition

  গ

  Combine multiple Bloom filters for improved filtering

  ঘ

  Join records from multiple tables
• In HBase, what is the role of the HBase Compaction Thread?
  ক

  A distributed file system

  খ

  A query language for HBase

  গ

  A storage format in Hadoop

  ঘ

  Perform compaction tasks on HBase tables
• What is the purpose of the HBase Tiered Storage feature?
  ক

  Store data in different storage tiers based on access patterns

  খ

  Sort records based on a column

  গ

  Group records based on a condition

  ঘ

  Join records from multiple tables
• In HBase, what does the term "HBase Region Split" mean?
  ক

  Execute MapReduce jobs

  খ

  Manage computation resources

  গ

  Perform data analytics in Hadoop

  ঘ

  Divide a region into two regions for improved performance
• What is the primary role of the HBase HFile?
  ক

  Join records from multiple tables

  খ

  Group records based on a condition

  গ

  Physical storage file for HBase data

  ঘ

  Sort records based on a column
• In HBase, what is the purpose of the HBase Replication feature?
  ক

  A query language for HBase

  খ

  Replicate data to another HBase cluster for disaster recovery

  গ

  A distributed file system

  ঘ

  A query language for HBase
• In HBase, what is the significance of the HBase Data Block Encoding?
  ক

  A storage format in Hadoop

  খ

  A query language for HBase

  গ

  Optimize storage and retrieval of data in HBase

  ঘ

  A distributed file system
• What is the primary function of the HBase Load Balancer?
  ক

  Join records from multiple tables

  খ

  Group records based on a condition

  গ

  Sort records based on a column

  ঘ

  Distribute regions among region servers to balance the workload
• In HBase, what does the term "HBase MemStore Flush" refer to?
  ক

  Process of flushing in-memory data to disk in HBase

  খ

  A storage format in Hadoop

  গ

  A query language for HBase

  ঘ

  A distributed file system
• What is the role of the HBase Region Locator in HBase architecture?
  ক

  Manage computation resources

  খ

  Determine the location of regions in HBase

  গ

  Perform data analytics in Hadoop

  ঘ

  Manage computation resources
• In HBase, what is the primary purpose of the HBase Online Schema Change?
  ক

  Sort records based on a column

  খ

  Group records based on a condition

  গ

  Modify the schema of an HBase table without requiring downtime

  ঘ

  Join records from multiple tables
• What is the significance of the HBase Snapshot Isolation feature?
  ক

  A distributed file system

  খ

  A query language for HBase

  গ

  A storage format in Hadoop

  ঘ

  Provide a consistent and isolated view of data for read operations
• In HBase, what is the function of the HBase Block Encoding?
  ক

  Compress and encode HFile blocks for efficient storage

  খ

  Execute MapReduce jobs

  গ

  Manage computation resources

  ঘ

  Perform data analytics in Hadoop
• What is the purpose of the HBase MultiDatacenter Replication feature?
  ক

  Sort records based on a column

  খ

  Group records based on a condition

  গ

  Join records from multiple tables

  ঘ

  Replicate data across multiple datacenters for fault tolerance
• In HBase, what does the term "HBase Coprocessor Endpoint" mean?
  ক

  A distributed file system

  খ

  A query language for HBase

  গ

  Extension point for custom logic to be executed at specific stages of HBase operations

  ঘ

  A storage format in Hadoop
• What is the role of the HBase Server Manager in HBase architecture?
  ক

  Group records based on a condition

  খ

  Manage and monitor region servers in HBase

  গ

  Join records from multiple tables

  ঘ

  Group records based on a condition
• In HBase, what is the primary function of the HBase Increment Column Value?
  ক

  Execute MapReduce jobs

  খ

  Manage computation resources

  গ

  Atomically increment the value of a specified column in HBase

  ঘ

  Perform data analytics in Hadoop
• What is the purpose of the HBase Time-to-Live (TTL) feature?
  ক

  Join records from multiple tables

  খ

  Group records based on a condition

  গ

  Sort records based on a column

  ঘ

  Define the expiration time for data in an HBase table
• In HBase, what is the significance of the HBase Block Cache?
  ক

  Cache frequently accessed HFile blocks for faster reads

  খ

  A storage format in Hadoop

  গ

  A query language for HBase

  ঘ

  A distributed file system
• What is the primary role of the HBase Compaction Scheduler?
  ক

  Execute MapReduce jobs

  খ

  Manage computation resources

  গ

  Perform data analytics in Hadoop

  ঘ

  Schedule and coordinate compaction tasks in HBase
• In HBase, what is the purpose of the HBase Write-Ahead Log (WAL)?
  ক

  Join records from multiple tables

  খ

  Group records based on a condition

  গ

  Record changes to data before they are applied to the HBase table

  ঘ

  Sort records based on a column