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Databricks Certified-Data-Engineer-Professional Exam Syllabus Topics:

Databricks Certified Data Engineer Professional Sample Questions:

1. A data engineer wants to ingest a large collection of image files (JPEG and PNG) from cloud object storage into a Unity Catalog-managed table for analysis and visualization. Which two configurations and practices are recommended to incrementally ingest these images into the table? (Choose two.)

A) Move files to a volume and read with SQL editor.
B) Use Auto Loader and set cloudFiles.format to "TEXT".
C) Use the pathGlobFilter option to select only image files (e.g., "*.jpg,*.png").
D) Use Auto Loader and set cloudFiles.format to "BINARYFILE".
E) Use Auto Loader and set cloudFiles.format to "IMAGE".

2. Which REST API call can be used to review the notebooks configured to run as tasks in a multi- task job?

A) /jobs/runs/get-output
B) /jobs/runs/list
C) /jobs/get
D) /jobs/runs/get
E) /jobs/list

3. A table is registered with the following code:

Both users and orders are Delta Lake tables. Which statement describes the results of querying recent_orders?

A) All logic will execute when the table is defined and store the result of joining tables to the DBFS; this stored data will be returned when the table is queried.
B) The versions of each source table will be stored in the table transaction log; query results will be saved to DBFS with each query.
C) All logic will execute at query time and return the result of joining the valid versions of the source tables at the time the query finishes.
D) Results will be computed and cached when the table is defined; these cached results will incrementally update as new records are inserted into source tables.
E) All logic will execute at query time and return the result of joining the valid versions of the source tables at the time the query began.

4. A data engineering team is setting up a Git project to automate integration tests using Databricks Asset Bundles and the Git provider's CI/CD functionalities. When a pull containing changes to their pipleline is sent, they need to run a Job to test their data pipeline. What is the correct databricks bundle command sequence to be executed from the Git provider's CI/CD automation for this task?

A) deploy, run, validate
B) validate, deploy, run
C) init, validate, deploy, run
D) init, deploy, run, validate

5. A data engineering team is implementing an append-only data pipeline using Delta Lake, and wants to ensure that data is never modified or deleted once written. Which Delta Lake feature should the data engineer enable to prevent modifications to existing data?

A) Delta Time Travel
B) Delta VACUUM
C) Delta APPEND_ONLY
D) Delta OPTIMIZE

Solutions: