Rest API - HTTP Status CodesWhich HTTP status code indicates that the client must authenticate itself to get the requested response?A401 UnauthorizedB403 ForbiddenC404 Not FoundD500 Internal Server ErrorCheck Answer
Step-by-Step SolutionSolution:Step 1: Understand the meaning of 401 Unauthorized401 means the client needs to provide valid authentication credentials.Step 2: Compare with 403 Forbidden403 means the client is authenticated but not allowed to access the resource.Final Answer:401 Unauthorized means authentication is required -> Option AQuick Check:Authentication required = 401 Unauthorized [OK]Quick Trick: 401 means login needed, 403 means access denied [OK]Common Mistakes:MISTAKESConfusing 401 with 403Thinking 401 means forbiddenMixing authentication and authorization
Master "HTTP Status Codes" in Rest API9 interactive learning modes - each teaches the same concept differentlyLearnWhyDeepVisualTryChallengeProjectRecallTime
More Rest API Quizzes HTTP Methods - PUT for full replacement - Quiz 2easy HTTP Methods - GET for reading resources - Quiz 1easy HTTP Methods - Idempotency of methods - Quiz 8hard HTTP Status Codes - 404 Not Found - Quiz 12easy HTTP Status Codes - 404 Not Found - Quiz 15hard HTTP Status Codes - 400 Bad Request - Quiz 2easy Request and Response Format - Request body structure - Quiz 10hard Request and Response Format - Content negotiation - Quiz 6medium URL and Resource Design - Avoiding verbs in URLs - Quiz 12easy URL and Resource Design - Avoiding verbs in URLs - Quiz 11easy