Practice Free 250-608 Exam Online Questions
What happens when Greenplum cannot perform a local join due to mismatched distribution keys?
- A . The query fails with a distribution error
- B . A broadcast motion or redistribute motion occurs
- C . The query falls back to the master node for execution
- D . Data replication is triggered automatically
Which two GPText administrative actions require using the gptext-control utility? (Choose two)
- A . Restarting the Solr engine
- B . Monitoring collection query usage
- C . Deploying Solr config sets
- D . Purging index cache from disk
Which spatial function can be used to check whether two geometries share any portion of space?
- A . ST_Length
- B . ST_Area
- C . ST_Intersects
- D . ST_Perimeter
Which two use cases are ideal for gpexpand in a Greenplum environment? (Choose two)
- A . Adding new segment nodes for horizontal scaling
- B . Compressing data in existing partitions
- C . Redistributing data for better performance
- D . Removing unused master nodes
Which two operations are supported by the Greenplum utility gpbackup? (Choose two)
- A . Table-level selective backup
- B . Segment failover
- C . Backup compression
- D . Cluster mirroring
How does Greenplum ensure high availability of its master node?
- A . By replicating data across all segment nodes
- B . By automatically restarting failed services
- C . Through the use of a standby master node
- D . Through a distributed file system
What is the function of gpfdist in the Greenplum data loading process?
- A . It transfers tables between databases
- B . It is a Python library for in-database analytics
- C . It acts as a lightweight data server to stream external files to segments
- D . It backs up files before loading
Which of the following does Greenplum’s time series feature support?
- A . Enables users to analyze the historical dataset and identify patterns
- B . Understand and match the current trends with previous derived patterns
- C . Understand the factor or factors that influence certain variable(s) at different points of time
- D . Enable spatial pattern recognition in datasets
The ___ utility is used to safely shut down the entire Greenplum Database cluster.
Response:
- A . gpdown
- B . gpstop
- C . gpclose
- D . gpkill
When should you consider creating a partitioned table in Greenplum?
- A . When you have a fixed number of rows
- B . When the table is too small to benefit from MPP
- C . When queries frequently filter on a specific column like date
- D . When the table has no defined primary key