CCNA: Cisco Certified Network Associate — Question 1249

Which definition describes JWT in regard to REST API security?

Answer options

• A. an encrypted JSON token that is used for authentication
• B. an encrypted JSON token that is used for authorization
• C. an encoded JSON token that is used to securely exchange information
• D. an encoded JSON token that is used for authentication

Correct answer: D

Explanation

The correct answer is D, as JWT (JSON Web Token) is specifically designed for authentication purposes in REST APIs. Options A and B mention encryption, which is not a requirement for JWTs, while option C describes secure information exchange but does not specifically address authentication.