Angular MCQs – Deployment and Best Practices

Deploying an Angular application requires optimization, security, and performance considerations. Understanding Angular best practices helps developers build efficient, scalable, and maintainable applications. These MCQs cover deployment strategies, performance optimization, security measures, and best coding practices to help you ace Angular interviews.

1.) Which command is used to build an Angular application for production?

A) ng build –prod
B) ng serve
C) ng deploy
D) ng start

Answer: Option A

Explanation: The ng build –prod command compiles an Angular application with optimizations for production.

2.) Which file should be updated to configure environment-specific settings in Angular?

A) app.module.ts
B) angular.json
C) environment.ts
D) styles.css

Answer: Option C

Explanation: The environment.ts file stores environment-specific configurations such as API URLs and feature flags.

3.) What is the primary advantage of Lazy Loading in Angular?

A) Reduces page size
B) Speeds up initial load time
C) Improves SEO
D) Enhances security

Answer: Option B

Explanation: Lazy Loading loads only necessary modules at runtime, reducing the initial load time.

4.) What is a common CDN used to deploy Angular applications?

A) Bootstrap
B) Firebase
C) Cloudflare
D) Webpack

Answer: Option C

Explanation: Cloudflare is a popular CDN (Content Delivery Network) for deploying Angular applications.

5.) Which file is essential for Angular deployment on an Apache server?

A) .env
B) .htaccess
C) package.json
D) index.html

Answer: Option B

Explanation: The .htaccess file is used for rewriting URLs to support Angular’s single-page application (SPA).

6.) What Angular feature helps improve performance by removing unused code?

A) Lazy Loading
B) AOT Compilation
C) Minification
D) Tree Shaking

Answer: Option D

Explanation: Tree Shaking removes unused code to make the final JavaScript bundle smaller.

7.) What is the purpose of Service Workers in Angular?

A) To manage API requests
B) To enable offline support
C) To improve routing
D) To debug performance issues

Answer: Option B

Explanation: Service Workers enable offline functionality and improve performance using cached resources.

8.) Which hosting platform is commonly used for deploying Angular apps?

A) GitHub Pages
B) Firebase Hosting
C) Netlify
D) All of the above

Answer: Option D

Explanation: Firebase Hosting, Netlify, and GitHub Pages are popular hosting solutions for Angular applications.

9.) What is the primary reason for enabling gzip compression in Angular deployment?

A) Improve CSS styling
B) Enhance website security
C) Reduce file sizes and improve load speed
D) Optimize database queries

Answer: Option C

Explanation: Gzip compression reduces file size, leading to faster page load times.

10.) What does the ng deploy command do in Angular?

A) Builds and deploys the app to a hosting service
B) Runs the application locally
C) Installs dependencies
D) Checks for outdated packages

Answer: Option A

Explanation: ng deploy automates the deployment process to various hosting platforms.

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