Data Engineering Associate with Databricks Practice Exam

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Which JSON file management technique helps maintain version control?

  1. Editing in real-time through the interface.

  2. Creating backups before editing.

  3. Downloading the JSON description before changes.

  4. Using cloud storage to manage configurations.

The correct answer is: Downloading the JSON description before changes.

The technique that effectively helps maintain version control is downloading the JSON description before changes. By saving the current state of the JSON file prior to making any modifications, you create a snapshot of that specific version. This approach enables you to revert to the previous version if needed, ensuring that you can track changes over time and manage configurations without losing important data. In the context of version control, this process is crucial because it provides a systematic way to maintain a history of changes. Users can compare different versions and understand the evolution of the file structure, which is essential for debugging and collaboration in data engineering projects. While the other techniques may offer some level of protection or convenience, they don’t inherently establish a clear versioning system like downloading the JSON file does. Editing in real-time can introduce risks if changes are not tracked. Creating backups before editing offers safety but does not provide a streamlined process for version comparison. Using cloud storage can aid in accessibility and sharing but does not inherently provide version control without additional mechanisms in place.