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 61–70 of 186

Q61

Which service in Greenplum allows for data ingestion and loading?

  • A gpfdist
  • B gpload
  • C gpfdump
  • D gprestore
Explanation gpload is specifically designed for data loading from various sources, whereas the others serve different purposes.
Q62

A company needs to optimize queries that join large tables. What should they consider?

  • A Increasing shared_buffers
  • B Creating suitable indexes
  • C Using vacuum regularly
  • D Reducing disk space
Explanation Creating suitable indexes on join columns significantly improves query performance on large tables.
Q63

You are configuring a Greenplum cluster. What happens if you set both primary and mirror segments down?

  • A Cluster continues to operate normally
  • B Data loss occurs
  • C Cluster enters read-only mode
  • D Transaction queue freezes
Explanation Setting both primary and mirror segments down leads to potential data loss since no replicas are available.
Q64

Which service allows Greenplum to efficiently manage data replication?

  • A gpfdist
  • B gpinitsystem
  • C gpfdirmaker
  • D gpstate
Explanation gpfdist facilitates data distribution and management, while the others serve different functions.
Q65

A company needs to analyze large datasets quickly. Which architecture should they use with Greenplum?

  • A Single-node DB
  • B Sharded DB
  • C MPP architecture
  • D Hierarchical DB
Explanation MPP architecture distributes processing across nodes, enhancing performance for large datasets.
Q66

You are configuring Greenplum security. What happens if you set a user’s role to 'NONE'?

  • A User has no access.
  • B User is a superuser.
  • C User can only read data.
  • D User can execute all functions.
Explanation Setting a role to 'NONE' revokes all privileges for that user.
Q67

Which service in Greenplum is responsible for managing user access and permissions?

  • A Greenplum Database Security
  • B Greenplum User Manager
  • C Greenplum Permission Handler
  • D Greenplum Access Control
Explanation Greenplum Database Security manages user access and permissions, while the other options do not exist.
Q68

A company needs high availability for its Greenplum database. What architecture should they consider implementing?

  • A Single-node architecture
  • B Multinode standby clusters
  • C Shared disk architecture
  • D Synchronous replication
Explanation Multinode standby clusters provide the high availability needed, while the other options either lack redundancy or are not appropriate architectural solutions.
Q69

What happens when a user attempts to insert duplicate primary key values in a Greenplum table?

  • A The database skips the entry
  • B An error is generated
  • C The entry is accepted quietly
  • D The row is updated with new values
Explanation An error is generated because primary keys must be unique, making the other options inaccurate responses.
Q70

Which service primarily handles data distribution in Greenplum?

  • A Greenplum Distribution System
  • B Greenplum Query Coordinator
  • C Greenplum Data Loader
  • D Greenplum Master Node
Explanation The Greenplum Distribution System manages how data is distributed across segments, while the others serve different roles.