[Solved] Which of the following is a common method used for service-to-service authentication? — Ans: Using JWT tokens issued by an authentication server | Microservices

Microservices - Authentication and Authorization

Which of the following is a common method used for service-to-service authentication?

AUsing JWT tokens issued by an authentication server

BUsing SQL queries to verify service identity

CUsing CSS styles to secure communication

DUsing HTML forms for authentication

Step-by-Step Solution

Solution:

Step 1: Identify valid authentication methods
JWT tokens are widely used for secure token-based authentication between services.
Step 2: Eliminate unrelated options
SQL queries, CSS, and HTML forms are unrelated to service authentication.
Final Answer:
Using JWT tokens issued by an authentication server -> Option A
Quick Check:
JWT tokens = common authentication method [OK]

Quick Trick: JWT tokens are standard for service authentication [OK]

Common Mistakes:

MISTAKES

Master "Authentication and Authorization" in Microservices

9 interactive learning modes - each teaches the same concept differently

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Which of the following is a common method used for service-to-service authentication?