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 91–100 of 186

Q91

Which service is responsible for orchestration in Tanzu Greenplum?

  • A Tanzu Kubernetes Grid
  • B Greenplum Data Directory
  • C Pivotal Platform
  • D Greenplum Configuration Service
Explanation Tanzu Kubernetes Grid handles orchestration, while the others manage configuration or platforms.
Q92

A company needs to ensure query optimization on large datasets. What should be implemented?

  • A Column-oriented storage
  • B Row-oriented storage
  • C Limit buffer cache
  • D Use only primary keys
Explanation Column-oriented storage facilitates efficient query optimization compared to row-oriented storage.
Q93

What happens when you configure a Greenplum cluster with asymmetric segment sizes?

  • A Increased parallel processing
  • B Reduced availability
  • C Potential data imbalance
  • D Improved fault tolerance
Explanation Asymmetric segment sizes can lead to data imbalance, affecting load distribution.
Q94

Which service is highly suitable for managing data in Greenplum that requires high availability and load balancing?

  • A Meltdown
  • B Command Center
  • C PostgreSQL
  • D Kubernetes
Explanation Command Center provides monitoring and management features crucial for high availability and load balancing, whereas the others do not serve this specific purpose.
Q95

A company needs to clone a Greenplum database for testing purposes. Which command should they use?

  • A CREATE DATABASE
  • B gpdb_clone
  • C CREATE TABLE AS
  • D gpfdist
Explanation The 'gpdb_clone' command is specifically designed for cloning a database, while the other commands do not fulfill this function.
Q96

What happens when you attempt to insert a duplicate record into a primary key column in Greenplum?

  • A Insert succeeds with a warning
  • B Data is silently ignored
  • C Query fails with an error
  • D Old record is updated
Explanation Greenplum enforces primary key constraints, so the query fails with an error when a duplicate is inserted.
Q97

Which service in Greenplum enables machine learning?

  • A Madlib
  • B Pivotal Cloud Foundry
  • C PostGIS
  • D Spring Cloud
Explanation Madlib provides in-database machine learning capabilities; the others serve different purposes.
Q98

A company needs to reduce data loading times. What feature should they use?

  • A Parallel Load
  • B Transaction Logs
  • C BI Connector
  • D Data Compression
Explanation Parallel Load optimizes data ingestion speed, while others do not directly focus on loading efficiency.
Q99

You are configuring data replication in Greenplum. What happens when you enable synchronous replication?

  • A Increased data safety
  • B Faster write operations
  • C Decreased system performance
  • D No impact on application availability
Explanation Synchronous replication improves data safety but can reduce performance due to waiting on acknowledgments.
Q100

What happens when Greenplum database uses append-only storage?

  • A Data can be written sequentially only.
  • B Data can be updated frequently.
  • C Data deletion is easily performed.
  • D Data compression is not supported.
Explanation Append-only storage optimizes write operations but limits updates and deletions.