VMware

Tanzu Greenplum v7 Technical Specialist

250-608

Prepare for the 250-608 exam to validate your skills in Tanzu Greenplum v7.

186 questions 0 views Free
Start Mock Test Timed · Full-length · Scored

Questions 131–140 of 186

Q131

A company needs to optimize query execution time. What should you recommend?

  • A Increase storage capacity
  • B Use workload management
  • C Enable data deduplication
  • D Implement backup strategies
Explanation Workload management optimizes resource allocation, crucial for performance.
Q132

You are configuring segment instances in a Greenplum cluster. What happens if a segment becomes unreachable?

  • A Cluster automatically shuts down
  • B Queries fail with an error
  • C Data is lost permanently
  • D Other segments continue processing
Explanation Other segments can still process data, ensuring availability.
Q133

Which service offers automated failover for Tanzu Greenplum?

  • A High Availability Manager
  • B Data Federation
  • C Workload Management
  • D Backup Service
Explanation High Availability Manager automates failover; others do not provide this capability.
Q134

A company needs to increase data ingestion rates in Greenplum. Which configuration should they consider?

  • A Decrease segment count
  • B Increase segment RAM
  • C Use batch loading
  • D Disable parallelism
Explanation Batch loading increases ingestion rates; others would hinder performance.
Q135

What happens when you set the `gpfdist` port to a restricted range in Greenplum?

  • A Increased security risks
  • B Data loading fails
  • C Performance improves
  • D Backup processes halt
Explanation Loading fails if the port is restricted; others do not directly relate to port settings.
Q136

Which service manages data partitioning in Greenplum?

  • A Data Distribution Service
  • B Query Optimization Service
  • C Storage Management Service
  • D Replication Management Service
Explanation The Data Distribution Service is responsible for managing how data is partitioned across nodes; the others focus on different areas.
Q137

You are configuring a Greenplum cluster. Which parameter directly influences the amount of memory allocated to queries?

  • A max_connections
  • B work_mem
  • C shared_buffers
  • D maintenance_work_mem
Explanation The work_mem parameter specifies memory for query operations; others have different roles in the database configuration.
Q138

A company needs to handle a failure of a primary segment. What happens when automatic failover is configured?

  • A All queries stop until recovery
  • B Primary is restored manually
  • C Secondary segment becomes primary
  • D Replication is disabled temporarily
Explanation Automatic failover promotes a secondary segment to primary upon failure; the other options do not reflect the automatic nature of the process.
Q139

Which service is primarily responsible for query planning in Greenplum?

  • A PostgreSQL Query Optimizer
  • B Greenplum Master Server
  • C Data Distribution Manager
  • D Segment Data Balancer
Explanation The PostgreSQL Query Optimizer determines the query execution plan; others perform different roles.
Q140

A company needs to migrate data to Greenplum. What is the recommended tool for large-scale data ingestion?

  • A gphdfs
  • B pg_dump
  • C gpload
  • D copy data
Explanation gpload is specifically designed for efficient bulk data loading; the others serve different purposes.