Free Linux Foundation JSNSD Exam Questions

Become Linux Foundation Certified with updated JSNSD exam questions and correct answers

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Total 320 Questions | Updated On: Dec 17, 2025

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Question 1

What is the default HTTP method when using 'fetch' or 'node-fetch'?

A : GET

B : POST

C : PUT

D : DELETE

Answer: A

Question 2

What can custom middleware in Express.js do?

A : Log request details

B : Modify request or response objects

C : Terminate the request-response cycle

D : All of the above

Answer: D

Question 3

What is the difference between Stored XSS and DOM-based XSS?

A : Stored XSS works on the server, while DOM-based XSS works on the client-side DOM

B : Stored XSS manipulates the DOM, while DOM-based XSS is stored in the database

C : Stored XSS and DOM-based XSS are the same

D : DOM-based XSS involves SQL queries

Answer: A

Question 4

Which middleware is commonly used for parsing JSON in Express.js?

A : multer

B : body-parser

C : cookie-parser

D : helmet

Answer: B

Question 5

What is the purpose of dependency security?

A : To ensure dependencies are free from vulnerabilities.

B : To improve the performance of the application.

C : To encrypt data transmitted between dependencies.

D : To manage access control for dependencies.

Answer: A

Page: 1 / 64

Total 320 Questions | Updated On: Dec 17, 2025

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