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
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Questions 151–160 of 186

Q151

Which service in Tanzu Greenplum manages external data sources?

  • A Data Federation
  • B Network Load Balancer
  • C Data Replication
  • D Task Scheduler
Explanation Data Federation allows integration with external sources, while the others do not perform this function.
Q152

A company needs to improve data locality in Greenplum. What should they configure?

  • A Segment Placement Policy
  • B Data Backups
  • C Database Mirroring
  • D Read Replicas
Explanation Segment Placement Policy ensures data is distributed across segments for better locality, while the others address different needs.
Q153

You are configuring a query optimization strategy in Greenplum. What happens when you enable Adaptive Query Optimization?

  • A Queries run slower on complex joins
  • B Queries re-evaluate execution plans
  • C Data locality is disregarded
  • D No effect on performance
Explanation Adaptive Query Optimization allows re-evaluation of execution plans in-flight, improving efficiency; the other options reflect misunderstandings of its function.
Q154

Which service in Greenplum allows for ML model deployment?

  • A Pivotal Ops Manager
  • B Greenplum Machine Learning
  • C Greenplum Data Federation
  • D Greenplum Query Optimizer
Explanation Greenplum Machine Learning facilitates ML model deployment, while others do not focus on this functionality.
Q155

A company needs to import large datasets into Greenplum efficiently. What should they use?

  • A pg_dump
  • B gpload
  • C COPY command
  • D INSERT statements
Explanation gpload is optimized for large data imports, unlike the others which are slower or less efficient.
Q156

You are configuring replication in Greenplum. What happens when you set the fault tolerance to 'none'?

  • A Automatic failover when a node fails
  • B Data loss in case of failure
  • C Continuous data availability
  • D Increased replication lag
Explanation Setting fault tolerance to 'none' leads to potential data loss if there's a failure, as opposed to other outcomes listed.
Q157

Which service is primarily responsible for data distribution in Greenplum?

  • A Data Movement Service
  • B Segment Communication Manager
  • C Master Query Coordinator
  • D Data Loader Utility
Explanation The Segment Communication Manager handles data distribution among segments, while others serve different roles.
Q158

A company needs to analyze large datasets on-the-fly without precedent storage. What Greenplum feature should they use?

  • A Data Gateway
  • B Temporary Tables
  • C External Table Access
  • D Backup and Restore
Explanation External Table Access allows for analysis of large datasets directly without storage requirements, whereas others focus on different functionalities.
Q159

You are configuring authentication for a Greenplum cluster. What happens if you enable GSSAPI authentication?

  • A All connections will be denied
  • B Only SSL connections are allowed
  • C User account credentials are validated via Kerberos
  • D Password authentication becomes mandatory
Explanation GSSAPI leverages Kerberos for user account validation, while others describe incorrect behaviors within the authentication mechanism.
Q160

Which service in Tanzu Greenplum is responsible for data distribution?

  • A DOP (Data Outbound Protocol)
  • B Data Segregation Service
  • C Master Data Management
  • D Query Coordinator
Explanation The Query Coordinator manages data distribution; others do not relate directly to distribution.