Databricks Data Engineer Professional Question 312
Single answerYou are tasked with creating a backup of an existing job in your Databricks workspace, triggering the backup job to execute, and exporting the results of the run for analysis. Which sequence of REST API operations would you use to achieve this?
- A
Use the 'Jobs Clone' API to clone the job, the 'Run Now' API to trigger the backup job, and the 'Runs Export' API to export the run output.
- B
Use the 'Jobs Create' API to create a new job, the 'Run Submit' API to trigger the job, and the 'Runs Get' API to export the run output.
- C
Use the 'Jobs Update' API to duplicate the job, the 'Run Now' API to trigger the backup job, and the 'Runs Export' API to export the run output.
- D
Use the 'Jobs Clone' API to clone the job, the 'Run Submit' API to trigger the backup job, and the 'Runs Get Output' API to export the run output.
Show answer and explanation
Correct answer: A
Explanation
To achieve the desired outcome, you must clone the job using the 'Jobs Clone' API, trigger it using the 'Run Now' API, and export the run output using the 'Runs Export' API. This sequence ensures that you work with a duplicate of the original job, execute it, and retrieve the results in a format suitable for analysis.
- A. Correct.
This is correct because the 'Jobs Clone' API is used to create a copy of an existing job, the 'Run Now' API is used to trigger the job, and the 'Runs Export' API exports the results in a downloadable format.
- B. Incorrect.
This is incorrect because the 'Jobs Create' API is used to create a new job from scratch, not clone an existing job. Additionally, 'Runs Get' does not provide the export functionality needed for the output.
- C. Incorrect.
This is incorrect because the 'Jobs Update' API modifies an existing job but does not duplicate or clone it. While 'Run Now' and 'Runs Export' are correct, the sequence would fail without cloning the job properly.
- D. Incorrect.
This is incorrect because the 'Run Submit' API is designed for one-time runs with configurations specified in the request, not for triggering an existing job. Additionally, 'Runs Get Output' retrieves logs, not exportable results.