Free Linux Foundation JSNSD Practice Exam Questions and Answers 2026

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Total 320 Questions | Updated On: Apr 01, 2026

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Question 1

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

Question 2

How does custom middleware validate incoming requests in Express.js?

A : By intercepting requests in the middleware chain

B : By bypassing validation for known users

C : By directly modifying the database

D : By rejecting all POST requests

Answer: A

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 protocol is used to encrypt emails?

A : SMTP

B : IMAP

C : PGP

D : FTP

Answer: C

Question 5

What is a common technique to prevent CSRF attacks?

A : Using CSRF tokens

B : Disabling cookies

C : Encrypting database queries

D : Using weak password policies

Answer: A

Page: 1 / 64

Total 320 Questions | Updated On: Apr 01, 2026

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