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: Jun 16, 2026

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Question 1

Which method is used to parse a JSON response in JavaScript?

A : JSON.parse

B : JSON.stringify

C : parseJSON

D : stringifyJSON

Answer: A

Question 2

What type of characters are commonly removed during sanitization?

A : Letters and numbers

B : Special characters like , and script tags

C : Spaces

D : Newline characters

Answer: B

Question 3

Which middleware can secure HTTP headers in Node.js applications?

A : body-parser

B : helmet

C : multer

D : cookie-parser

Answer: B

Question 4

Which type of attack is most commonly mitigated by input sanitization?

A : SQL Injection

B : Cross-Site Scripting (XSS)

C : Man-in-the-Middle (MITM)

D : Distributed Denial of Service (DDoS)

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

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Total 320 Questions | Updated On: Jun 16, 2026

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