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Airflow Basics

What is Apache Airflow?
A web server for hosting websites
A database management system
A platform to programmatically author, schedule, and monitor workflows
A programming language
Which programming language is commonly used with Apache Airflow?
Java
Python
JavaScript
C++
What is a DAG in Apache Airflow?
Database Access Gateway
Data Analysis Group
Distributed Application Generator
Directed Acyclic Graph
Which component of Apache Airflow is responsible for scheduling and executing tasks?
Scheduler
Executor
Worker
Web Server
What is an Operator in Apache Airflow?
A user with administrative privileges
A database table storing task metadata
A module for data visualization
A class that defines a single task in a workflow
Which command is used to start the Apache Airflow web server?
Airflow start
Airflow webserver
Airflow run
Airflow serve
What is a Sensor in Apache Airflow?
An Operator that waits for a certain condition to be met
A device for measuring airflow
A module for data visualization
A component for managing database connections
What is a Task Instance in Apache Airflow?
A user-defined function within a workflow
A database table storing task metadata
A module for data visualization
A specific occurrence of a task being executed
What is a task in Apache Airflow?
A database table
A visualization
A unit of work to be executed
A programming language
Which component of Apache Airflow is responsible for managing task dependencies?
Executor
Web server
Database
Scheduler
What is an Operator in Apache Airflow?
A class that defines an individual task
A database table
A visualization tool
A programming language
Which command is used to start the Apache Airflow scheduler?
Airflow webserver
Airflow worker
Airflow initdb
Airflow scheduler
What is a Sensor in Apache Airflow?
A database table
A visualization tool
A type of operator that waits for a certain condition to be met
A programming language
What is a Task Instance in Apache Airflow?
A database table
A visualization
A programming language
A specific occurrence of a task
What is the purpose of an Apache Airflow DAG?
To define and visualize the workflow
To manage databases
To create visualizations
To analyze big data
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