Free Practice Linux Foundation JSNSD Exam Questions 2025

Stay ahead with 100% Free OpenJS Node.js Services Developer JSNSD Dumps Practice Questions

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Total 320 Questions | Updated On: Jun 06, 2025

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Question 1

Which of the following methods can help prevent SSRF attacks?

A : Using input validation to restrict URLs.

B : Allowing unrestricted IP ranges for server requests.

C : Disabling firewall protections.

D : Using encrypted HTTP (HTTPS).

Answer: A

Question 2

What format is most commonly used for structured error responses in REST APIs?

A : JSON

B : XML

C : YAML

D : Plain Text

Answer: A

Question 3

What does the '.catch()' method do in a promise chain?

A : Handles rejected promises

B : Handles resolved promises

C : Runs after all promises are settled

D : Creates a new promise

Answer: A

Question 4

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 5

What does the acronym REST stand for?

A : Representational State Transfer

B : Resource State Transfer

C : Representational Service Transport

D : Resource Service Transmission

Answer: A

Page: 1 / 64

Total 320 Questions | Updated On: Jun 06, 2025

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