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

Airflow Basics

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