Data and Analytics Big Data and Cloud Analytics 3

Question 1

What is a streaming analytics pipeline?

Accepted Answer

Real-time processing of continuous data streams as events arrive

Answer

A batch job that runs every hour

Answer

A type of ETL process for historical data

Answer

A dashboard that refreshes daily

Question 2

What is Delta Lake?

Accepted Answer

An open-source storage layer that brings ACID transactions to data lakes

Answer

A cloud storage service by AWS

Answer

A real-time streaming platform

Answer

A columnar file format for Hadoop

Question 3

What does 'data mesh' refer to in modern data architecture?

Accepted Answer

A decentralized approach where domain teams own and manage their own data as products

Answer

A network topology for data centers

Answer

A type of mesh network for IoT sensors

Answer

A centralized data lake with mesh indexing

Question 4

What is the purpose of Apache Airflow in data engineering?

Accepted Answer

Workflow orchestration and scheduling of data pipelines

Answer

Real-time stream processing

Answer

Columnar data storage

Answer

Machine learning model training

Question 5

What is a feature store in the context of machine learning?

Accepted Answer

A centralized repository for storing, managing, and serving ML features

Answer

A marketplace for buying ML model features

Answer

A database for storing raw training data

Answer

A library of pre-built ML algorithms

Question 6

What does 'data observability' refer to?

Accepted Answer

The ability to understand, diagnose, and resolve data quality issues in pipelines

Answer

Monitoring user behavior on data dashboards

Answer

Encrypting sensitive data for compliance

Answer

Visualizing database schemas