Databricks Certified Data Engineer Associate — Question 28

Which of the following describes a scenario in which a data engineer will want to use a single-node cluster?

Answer options

• A. When they are working interactively with a small amount of data
• B. When they are running automated reports to be refreshed as quickly as possible
• C. When they are working with SQL within Databricks SQL
• D. When they are concerned about the ability to automatically scale with larger data
• E. When they are manually running reports with a large amount of data

Correct answer: A

Explanation

The correct answer is A because a single-node cluster is ideal for interactive work with small datasets, allowing for quick testing and iteration. Options B, C, D, and E involve scenarios that either require more computational resources or are not suited for the limitations of a single-node setup.