Databricks Quiz

Answers and explanations appear as you take the quiz.

1. Databricks was founded by the original creators of which open-source project?
   • Apache Spark
   • Linux
   • Python
   • TensorFlow
2. What does the lakehouse architecture aim to combine?
   • A notebook service with no persistent storage layer
   • A data lake’s flexible object storage with data-warehouse management and query capabilities
   • A relational database combined with a message queue
   • A model registry combined with a feature store
3. Which open table format gives Databricks data lakes ACID transactions?
   • JPEG
   • HTTP
   • Delta Lake
   • CSV
4. What is MLflow used for on Databricks?
   • Editing photos
   • Sending marketing emails
   • Hosting video calls
   • Tracking experiments and managing the machine learning lifecycle
5. Which MosaicML-related developments did Databricks announce during its generative-AI expansion?
   • It completed the MosaicML acquisition and later introduced the DBRX open LLM
   • It acquired Apache Spark and released AlphaZero
   • It bought MLflow and discontinued Delta Lake
   • It founded Unity Catalog as an independent company
6. What component provides data governance across the Databricks platform?
   • Microsoft Word
   • Unity Catalog
   • Adobe Photoshop
   • Google Maps
7. What does Delta Lake time travel let a user do?
   • Recover a deleted cloud account without a backup
   • Run the same query faster on every compute type
   • Query a table’s earlier versions recorded in its transaction log
   • Convert every table automatically into a neural network
8. Which AI assets can Unity Catalog govern in addition to data tables?
   • Only browser cookies
   • Only GPU hardware firmware
   • Unregistered files in every external system
   • Models, functions, and services