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: Jul 29, 2025

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Question 1

Which technique can complement rate limiting to prevent abuse?

A : IP Address Whitelisting

B : Disabling authentication requirements.

C : Logging all user activities without limits.

D : Allowing unlimited access to APIs.

Answer: A

Question 2

How can you access a specific route parameter in Express.js?

A : req.query.parameter

B : req.params.parameter

C : req.body.parameter

D : req.headers.parameter

Answer: B

Question 3

Which HTTP status code indicates a successful creation of a resource?

A : 200

B : 201

C : 400

D : 500

Answer: B

Question 4

Which middleware is required to parse JSON request bodies in Express.js?

A : body-parser

B : express.json

C : express.urlencoded

D : json-parser

Answer: B

Question 5

What happens if the Secure flag is not set on a cookie?

A : The cookie can be sent over insecure HTTP connections.

B : The cookie cannot be accessed by client-side scripts.

C : The cookie is encrypted by default.

D : The cookie is only accessible to the server.

Answer: A

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Total 320 Questions | Updated On: Jul 29, 2025

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