Big Data and Cloud Analytics Flashcards
6 cards from real Data and Analytics practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 6 Big Data and Cloud Analytics flashcards as text
What is a streaming analytics pipeline?
Answer: Real-time processing of continuous data streams as events arrive
A streaming analytics pipeline processes data continuously as it arrives, enabling real-time insights rather than waiting for batch processing windows.
What is Delta Lake?
Answer: An open-source storage layer that brings ACID transactions to data lakes
Delta Lake is an open-source storage layer that adds ACID transaction support, schema enforcement, and time travel capabilities to data lakes.
What does 'data mesh' refer to in modern data architecture?
Answer: A decentralized approach where domain teams own and manage their own data as products
Data mesh is a decentralized architectural approach that treats data as a product, with domain-oriented teams owning their own data pipelines.
What is the purpose of Apache Airflow in data engineering?
Answer: Workflow orchestration and scheduling of data pipelines
Apache Airflow is a workflow orchestration platform that programs, schedules, and monitors complex data pipeline DAGs (Directed Acyclic Graphs).
What is a feature store in the context of machine learning?
Answer: A centralized repository for storing, managing, and serving ML features
A feature store is a centralized system for storing, computing, and serving machine learning features consistently across training and serving.
What does 'data observability' refer to?
Answer: The ability to understand, diagnose, and resolve data quality issues in pipelines
Data observability refers to the practice of monitoring data pipelines for quality, reliability, and freshness to detect and resolve issues proactively.