Pass Your Databricks-Certified-Data-Engineer-Associate Exam Easily - Real Databricks-Certified-Data-Engineer-Associate Practice Dump Updated Nov 20, 2023
2023 Realistic Verified Free Databricks Databricks-Certified-Data-Engineer-Associate Exam Questions
The GAQM Databricks-Certified-Data-Engineer-Associate certification is an excellent way for professionals to demonstrate their competence and expertise in working with Databricks. Databricks Certified Data Engineer Associate Exam certification validates your knowledge and skills in designing, building, and maintaining data pipelines with Databricks, which is an essential skill for any organization that is looking to leverage big data for business growth.
The GAQM Databricks-Certified-Data-Engineer-Associate certification exam is designed to test the skills and knowledge of data engineers who use Databricks for data processing and analysis. Databricks is a cloud-based data engineering platform that provides an integrated environment for data engineers to collaborate and build data pipelines. Databricks Certified Data Engineer Associate Exam certification exam covers a range of topics related to Databricks, including data ingestion, data transformation, data processing, and data analysis.
NEW QUESTION # 20
Which of the following describes when to use the CREATE STREAMING LIVE TABLE (formerly CREATE INCREMENTAL LIVE TABLE) syntax over the CREATE LIVE TABLE syntax when creating Delta Live Tables (DLT) tables using SQL?
- A. CREATE STREAMING LIVE TABLE is redundant for DLT and it does not need to be used.
- B. CREATE STREAMING LIVE TABLE should be used when data needs to be processed through complicated aggregations.
- C. CREATE STREAMING LIVE TABLE should be used when data needs to be processed incrementally.
- D. CREATE STREAMING LIVE TABLE should be used when the subsequent step in the DLT pipeline is static.
- E. CREATE STREAMING LIVE TABLE should be used when the previous step in the DLT pipeline is static.
Answer: C
NEW QUESTION # 21
Which of the following tools is used by Auto Loader process data incrementally?
- A. Unity Catalog
- B. Spark Structured Streaming
- C. Checkpointing
- D. Databricks SQL
- E. Data Explorer
Answer: B
NEW QUESTION # 22
A single Job runs two notebooks as two separate tasks. A data engineer has noticed that one of the notebooks is running slowly in the Job's current run. The data engineer asks a tech lead for help in identifying why this might be the case.
Which of the following approaches can the tech lead use to identify why the notebook is running slowly as part of the Job?
- A. They can navigate to the Tasks tab in the Jobs UI to immediately review the processing notebook.
- B. They can navigate to the Runs tab in the Jobs UI to immediately review the processing notebook.
- C. They can navigate to the Tasks tab in the Jobs UI and click on the active run to review the processing notebook.
- D. There is no way to determine why a Job task is running slowly.
- E. They can navigate to the Runs tab in the Jobs UI and click on the active run to review the processing notebook.
Answer: E
NEW QUESTION # 23
Which of the following benefits is provided by the array functions from Spark SQL?
- A. An ability to work with data within certain partitions and windows
- B. An ability to work with complex, nested data ingested from JSON files
- C. An ability to work with data in a variety of types at once
- D. An ability to work with an array of tables for procedural automation
- E. An ability to work with time-related data in specified intervals
Answer: A
NEW QUESTION # 24
A new data engineering team team. has been assigned to an ELT project. The new data engineering team will need full privileges on the database customers to fully manage the project.
Which of the following commands can be used to grant full permissions on the database to the new data engineering team?
- A. GRANT ALL PRIVILEGES ON DATABASE team TO customers;
- B. GRANT SELECT PRIVILEGES ON DATABASE customers TO teams;
- C. GRANT ALL PRIVILEGES ON DATABASE customers TO team;
- D. GRANT SELECT CREATE MODIFY USAGE PRIVILEGES ON DATABASE customers TO team;
- E. GRANT USAGE ON DATABASE customers TO team;
Answer: C
NEW QUESTION # 25
A data engineer runs a statement every day to copy the previous day's sales into the table transactions. Each day's sales are in their own file in the location "/transactions/raw".
Today, the data engineer runs the following command to complete this task:
After running the command today, the data engineer notices that the number of records in table transactions has not changed.
Which of the following describes why the statement might not have copied any new records into the table?
- A. The names of the files to be copied were not included with the FILES keyword.
- B. The format of the files to be copied were not included with the FORMAT_OPTIONS keyword.
- C. The PARQUET file format does not support COPY INTO.
- D. The COPY INTO statement requires the table to be refreshed to view the copied rows.
- E. The previous day's file has already been copied into the table.
Answer: E
NEW QUESTION # 26
A data analyst has created a Delta table sales that is used by the entire data analysis team. They want help from the data engineering team to implement a series of tests to ensure the data is clean. However, the data engineering team uses Python for its tests rather than SQL.
Which of the following commands could the data engineering team use to access sales in PySpark?
- A. spark.sql("sales")
- B. There is no way to share data between PySpark and SQL.
- C. spark.table("sales")
- D. spark.delta.table("sales")
- E. SELECT * FROM sales
Answer: D
NEW QUESTION # 27
Which of the following Git operations must be performed outside of Databricks Repos?
- A. Pull
- B. Commit
- C. Clone
- D. Merge
- E. Push
Answer: C
NEW QUESTION # 28
An engineering manager wants to monitor the performance of a recent project using a Databricks SQL query.
For the first week following the project's release, the managerwants the query results to be updated every minute. However, the manager is concerned that the compute resources used for the query will be left running and cost the organization a lot of money beyond the first week of the project's release.
Which of the following approaches can the engineering team use to ensure the query does not cost the organization any money beyond the first week of the project's release?
- A. They can set a limit to the number of DBUs that are consumed by the SQL Endpoint.
- B. They can set a limit to the number of individuals that are able to manage the query's refresh schedule.
- C. They can set the query's refresh schedule to end after a certain number of refreshes.
- D. They cannot ensure the query does not cost the organization money beyond the first week of the project's release.
- E. They can set the query's refresh schedule to end on a certain date in the query scheduler.
Answer: E
NEW QUESTION # 29
Which of the following describes the relationship between Bronze tables and raw data?
- A. Bronze tables contain a less refined view of data than raw data.
- B. Bronze tables contain less data than raw data files.
- C. Bronze tables contain aggregates while raw data is unaggregated.
- D. Bronze tables contain raw data with a schema applied.
- E. Bronze tables contain more truthful data than raw data.
Answer: C
NEW QUESTION # 30
A data engineer has left the organization. The data team needs to transfer ownership of the data engineer's Delta tables to a new data engineer. The new data engineer is the lead engineer on the data team.
Assuming the original data engineer no longer has access, which of the following individuals must be the one to transfer ownership of the Delta tables in Data Explorer?
- A. This transfer is not possible
- B. Original data engineer
- C. New lead data engineer
- D. Databricks account representative
- E. Workspace administrator
Answer: C
NEW QUESTION # 31
Which of the following commands will return the location of database customer360?
- A. DROP DATABASE customer360;
- B. USE DATABASE customer360;
- C. ALTER DATABASE customer360 SET DBPROPERTIES ('location' = '/user'};
- D. DESCRIBE LOCATION customer360;
- E. DESCRIBE DATABASE customer360;
Answer: E
NEW QUESTION # 32
A data engineer only wants to execute the final block of a Python program if the Python variable day_of_week is equal to 1 and the Python variable review_period is True.
Which of the following control flow statements should the data engineer use to begin this conditionally executed code block?
- A. if day_of_week == 1 and review_period == "True":
- B. if day_of_week = 1 and review_period = "True":
- C. if day_of_week == 1 and review_period:
- D. if day_of_week = 1 and review_period:
- E. if day_of_week = 1 & review_period: = "True":
Answer: A
NEW QUESTION # 33
A data analysis team has noticed that their Databricks SQL queries are running too slowly when connected to their always-on SQL endpoint. They claim that this issue is present when many members of the team are running small queries simultaneously. They ask the data engineering team for help. The data engineering team notices that each of the team's queries uses the same SQL endpoint.
Which of the following approaches can the data engineering team use to improve the latency of the team's queries?
- A. They can turn on the Serverless feature for the SQL endpoint.
- B. They can increase the cluster size of the SQL endpoint.
- C. They can turn on the Auto Stop feature for the SQL endpoint.
- D. They can increase the maximum bound of the SQL endpoint's scaling range.
- E. They can turn on the Serverless feature for the SQL endpoint and change the Spot Instance Policy to
"Reliability Optimized."
Answer: D
NEW QUESTION # 34
Which of the following describes the storage organization of a Delta table?
- A. Delta tables are stored in a single file that contains data, history, metadata, and other attributes.
- B. Delta tables store their data in a single file and all metadata in a collection of files in a separate location.
- C. Delta tables are stored in a collection of files that contain data, history, metadata, and other attributes.
- D. Delta tables are stored in a collection of files that contain only the data stored within the table.
- E. Delta tables are stored in a single file that contains only the data stored within the table.
Answer: C
NEW QUESTION # 35
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