QCM - als book is compiled from Stack Overflow

Quiz: QCM - als book is compiled from Stack Overflow

5 questions | Difficulté: moyen

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Question 1

What is the purpose of creating a package.json for this Angular2-express project?

• A. To define the structure and organization of the project
• B. To create a new folder named ‘Angular2-express’
• C. To bootstrap the node.js app
• D. To install dependencies for the project

Voir la réponse

Réponse correcte: B

The package.json is created to define the dependencies and scripts required for this Angular2-express project.

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Question 2

Which version of Node.js is recommended as a prerequisite for this tutorial?

• A. Node.js v3.x.x or higher
• B. Node.js v2.x.x or higher
• C. Node.js v4.x.x or higher
• D. Node.js v1.x.x or higher

Voir la réponse

Réponse correcte: C

The tutorial recommends Node.js v4.x.x or higher as a prerequisite.

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Question 3

What is the purpose of running ‘npm install -g typescript’ in this tutorial?

• A. To install TypeScript for the Angular2-express project
• B. To initialize a new Git repository
• C. To create a new folder named ‘Angular2-express’
• D. To upgrade npm to version 3.x.x or higher

Voir la réponse

Réponse correcte: A

Running ‘npm install -g typescript’ is used to install TypeScript globally, which is required for the Angular2 project.

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Question 4

What is the purpose of using body-parser in this app.js?

• A. To define the structure and organization of the project
• B. To create a new folder named ‘Angular2-express’
• C. To parse incoming request bodies as JSON or URL-encoded data
• D. To bootstrap the node.js app

Voir la réponse

Réponse correcte: B

Body-parser is used to parse incoming request bodies as JSON or URL-encoded data.

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Question 5

What command is executed at the end of app.js to start the server?

• A. node app.js
• B. npm start
• C. yarn start
• D. express start

Voir la réponse

Réponse correcte: A

The server starts with ‘node app.js’.

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