LFC Study Guide 2026
Everything you need to pass the LFC exam in one place: the exam format, every topic to study, real practice questions with explanations, flashcards, and full-length practice tests. Free, no sign-up needed.
📋 LFC Exam Format at a Glance
📚 LFC Topics to Study (63)
✍️ Sample LFC Questions & Answers
1. When using Unity Catalog, what is the correct three-level namespace format to fully qualify a table?
Unity Catalog uses a three-level namespace in the format catalog.schema.table to uniquely identify tables.
2. What is 'Liquid Clustering' in Delta Lake and how does it differ from traditional partitioning?
Liquid Clustering incrementally reorganizes data without requiring a full rewrite and adapts to changing query patterns, unlike static Hive-style partitioning.
3. A data steward needs to ensure that any new tables created in a production catalog automatically inherit a 'confidential' classification tag. Which approach best supports this at scale?
Unity Catalog supports tag inheritance and propagation policies that allow tags set at a catalog or schema level to flow down to child objects automatically.
4. A pipeline ingests CDC (Change Data Capture) events from an OLTP database. Where should these raw CDC records land first?
CDC events are raw source data and should be written to the Bronze layer exactly as received before any processing.
5. What is a DLT 'pipeline' composed of?
A DLT pipeline can include one or more notebooks or source files, each contributing table and view definitions that together form the full DAG.
6. What is the effect of calling `client.delete_registered_model(name)` in MLflow?
`delete_registered_model()` removes the model registration and all associated versions from the registry; it does not delete the underlying run artifacts.