JWT Authentication in Express MCQ | Express.js JWT Multiple Choice Questions

Direction: Choose the correct option

What does JWT stand for?

A. JavaScript Web Token

B. JSON Web Token

C. JSON With Token

D. Java Web Token

Direction: Choose the correct option

Where is a JWT typically stored on the client side?

A. In a global variable

B. In localStorage or a cookie

C. In session storage

D. In the URL

Direction: Choose the correct option

Which library is commonly used to sign and verify JWTs in Node.js?

A. passport-jwt

B. express-jwt

C. jwt-simple

D. jsonwebtoken

Direction: Choose the correct option

What does jwt.sign(payload, secret) do?

A. Verifies a token

B. Creates a new JWT token with the given payload

C. Encrypts the payload

D. Decodes a token

Direction: Choose the correct option

How do you extract a token from the Authorization header?

A. req.params.token

B. req.token

C. req.query.token

D. req.headers['authorization'].split(' ')[1]

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