Free Access VMware.250-608.v2026-07-24.q50 Practice Test (Page 2)

Question 1

How can VACUUM ANALYZE help improve query performance in Greenplum?

A.By updating table statistics used by the optimizer

B.By compressing indexes for faster access

C.By removing all user data

D.By converting heap tables to append-only tables

Question 2

In PostGIS, what is the typical data type used to store spatial shapes like points, lines, and polygons?

A.BYTEA

B.GEOMETRY

C.VARCHAR

D.XML

Question 3

What are two key advantages of using writable external tables in Greenplum?
(Choose two)

A.Allows exporting query results to flat files

B.Enables real-time backups of running queries

C.Supports pushing updates to replicated tables

D.Facilitates integration with downstream data pipelines

Question 4

You are asked to load a 10GB CSV file into Greenplum in the shortest possible time. You want to leverage Greenplum's parallelism and avoid unnecessary file duplication. What should you do?

A.Load the file into a replicated table using INSERT INTO

B.Use psql with COPY and load the entire file on the master node

C.Transfer the file to all segments manually and use gpload in non-parallel mode

D.Create an external readable table pointing to the CSV file and query it directly

Question 5

What type of data format is typically required for inserting text documents into GPText collections?

A.CSV

B.JSON

C.Avro

D.Binary HEX

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