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NEW QUESTION # 79
Which two file protocols can be used in the LOCATION clause of an external table in Greenplum?
(Choose two)
- A. file
- B. http
- C. Gpfdist
- D. ftp
Answer: B,C
NEW QUESTION # 80
What are two advantages of using GPCC over command-line monitoring tools?
(Choose two)
- A. Centralized visualization of cluster activity
- B. Ability to write raw SQL directly to disk
- C. Higher privileges for OS-level configuration
- D. Real-time query tracking and cancellation
Answer: A,D
NEW QUESTION # 81
Which extension must be enabled in Greenplum to use spatial functions such as ST_Distance or ST_Intersects?
- A. PL/R
- B. HDFS
- C. MADlib
- D. PostGIS
Answer: D
NEW QUESTION # 82
What is the purpose of the gpinitstandby utility in Greenplum?
- A. Initializes WAL archiving
- B. Reassigns segment IDs
- C. Sets up a standby segment node
- D. Initializes a standby master host
Answer: D
NEW QUESTION # 83
What are two key responsibilities of the gpinitsystem utility?
(Choose two)
- A. Initializing the Greenplum system configuration
- B. Creating the data directories and segment layout
- C. Starting the Greenplum web interface
- D. Backing up user data before upgrade
Answer: A,B
NEW QUESTION # 84
Which two steps are typically required when building a supervised learning model using MADlib?
(Choose two)
- A. Compressing the model using ORC
- B. Running the MADlib training function
- C. Migrating the database to Hadoop
- D. Creating a feature matrix and target column
Answer: B,D
NEW QUESTION # 85
Which two machine learning techniques are supported by MADlib in Greenplum?
(Choose two)
- A. k-Means Clustering
- B. Neural Style Transfer
- C. Decision Tree Classification
- D. Reinforcement Learning
Answer: A,C
NEW QUESTION # 86
Which two types of checks does gpcheckperf support for performance diagnostics?
(Choose two)
- A. Memory leak tracking
- B. Network latency
- C. User permission consistency
- D. Disk throughput
Answer: B,D
NEW QUESTION # 87
In Greenplum, the ___ clause can significantly reduce the volume of data returned, thus improving performance in exploratory queries.
- A. GROUP BY
- B. HAVING
- C. ANALYZE
- D. LIMIT
Answer: D
NEW QUESTION # 88
Which two GPText administrative actions require using the gptext-control utility?
(Choose two)
- A. Purging index cache from disk
- B. Restarting the Solr engine
- C. Deploying Solr config sets
- D. Monitoring collection query usage
Answer: B,C
NEW QUESTION # 89
What is the impact of using indexes on frequently filtered columns in Greenplum?
- A. Unpredictable data distribution
- B. Slower query performance due to overhead
- C. Increased chance of deadlocks
- D. Faster lookups and improved query performance
Answer: D
NEW QUESTION # 90
How does Greenplum ensure data consistency during backups?
- A. By creating immediate binary copies of each segment
- B. By locking all user tables
- C. By using transaction snapshots
- D. By replicating data to external storage
Answer: C
NEW QUESTION # 91
What is the role of segments in Greenplum?
- A. They store portions of the data and execute parts of a query in parallel
- B. They act as backup nodes for data recovery
- C. They manage user authentication and permissions
- D. They handle UI rendering and reporting
Answer: A
NEW QUESTION # 92
Which two types of objects can be stored within a schema in Greenplum?
(Choose two)
- A. Views
- B. Indexes
- C. Master nodes
- D. Segments
Answer: A,B
NEW QUESTION # 93
Which of the following best describes Greenplum's architecture model?
- A. Massively parallel processing (MPP) with shared memory access
- B. Master-slave replication using monolithic servers
- C. Client-server model with centralized OLAP computation
- D. Massively parallel processing (MPP) with shared-nothing architecture
Answer: D
NEW QUESTION # 94
What key information does the GPCC Query Monitor provide to database administrators?
- A. Network latency between segment hosts
- B. System BIOS configuration
- C. Query performance metrics and runtime details
- D. Number of files uploaded by users
Answer: C
NEW QUESTION # 95
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