What is the primary purpose of environment variables in Node.js applications?
Tips, Tricks, and Techniques for Node.js Development 5.1: Process Environment Variables

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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
To improve the graphical interface
To reduce the size of the application
To enhance the speed of the application
To store sensitive information securely
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which file format is commonly used to store environment variables for Node.js applications?
.xml
.txt
.env
.json
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What default port is used when process.env.PORT is undefined in a local development environment?
8080
5000
8000
3000
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which package helps in reading environment variables from a .env file?
webpack
nodemon
express
dotenv
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of the node-env-run package?
To compile Node.js code
To test Node.js applications
To manage environment variables during development
To run Node.js applications in a browser
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How can you conditionally run npm scripts based on environment variables?
Using webpack
Using express
Using nodemon
Using if-env package
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a key benefit of using environment variables in cloud-hosted applications?
They increase the application's speed
They allow for dynamic configuration based on the environment
They reduce the application's memory usage
They enhance the application's security
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