Home › Databricks Certified Machine Learning Associate › Domain 4: Distributed ML with Spark

Settings

Theme

Font Size

Quiz 12 Question 4 of 20

Persisting intermediate feature DataFrames helps when:

Select an answer to reveal the explanation.

Motivation

Short Explanation and Infographic

persist/cache when multiple actions would recompute a heavy feature lineage.

Full explanation below image

Educational infographic 1024x768 for Databricks ML: spark persist feature df. Clean lakehouse blue/orange diagram style, DBML q224.

Full Explanation

Spark lineage recomputation is a common footgun.

← Previous Quiz 12 · Q4/20 Next Question →

Original, similar-concept practice questions — not real exam questions and not brain-dump content.

All vendor and certification names are trademarks of their respective owners. This site is independent and not affiliated with, endorsed by, or sponsored by any certification vendor.