[Solved] Given a JWT with payload {"sub":"user123","exp":1700000000}, what does the exp claim represent? - Ans: The token's expiration time as a Unix timestamp | Rest API

Rest API - Authentication and Authorization

Given a JWT with payload {"sub":"user123","exp":1700000000}, what does the exp claim represent?

AThe token's issue time

BThe token's expiration time as a Unix timestamp

CThe user's role in the system

DThe token's unique identifier

Step-by-Step Solution

Solution:

Step 1: Understand JWT standard claims
The exp claim defines when the token expires, given as a Unix timestamp.
Step 2: Differentiate exp from other claims
iat is issue time, roles are custom claims, and token ID is jti.
Final Answer:
The token's expiration time as a Unix timestamp -> Option B
Quick Check:
exp = Expiration time [OK]

Quick Trick: exp means expiration timestamp [OK]

Common Mistakes:

MISTAKES

Master "Authentication and Authorization" in Rest API

9 interactive learning modes - each teaches the same concept differently

More Rest API Quizzes

Given a JWT with payload {"sub":"user123","exp":1700000000}, what does the exp claim represent?