Teach Cloud - Cloud, DevOps, and Python Backend Development Blog

❓ Quiz Question

Aug 30, 2026

Quiz: What is the key difference between HTTP status code 401 Unauthorized and 403 Forbidden?

401 Unauthorized means credentials are missing or invalid; 403 Forbidden means the server understands identity but refuses authorization.

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❓ Quiz Question

Aug 30, 2026

Browsers send an OPTIONS request during CORS preflight checks to ascertain supported HTTP methods and headers before making cross-origin requests.

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❓ Quiz Question

Aug 30, 2026

Using validation headers like ETag or If-Modified-Since , a 304 Not Modified response saves network bandwidth.

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❓ Quiz Question

Aug 30, 2026

REST is lightweight and architectural; SOAP is a formal protocol with built-in enterprise standards like WS-Security and strict XML schemas.

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❓ Quiz Question

Aug 30, 2026

Version control via URI paths ( /v1/ ) or custom Accept headers provides explicit backward compatibility for API consumers.

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❓ Quiz Question

Aug 30, 2026

PKCE (Proof Key for Code Exchange) protects OAuth 2.0 flows against authorization code injection and interception risks.

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❓ Quiz Question

Aug 30, 2026

Webhooks eliminate inefficient periodic API polling by transmitting event notifications immediately via HTTP POST endpoints.

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❓ Quiz Question

Aug 30, 2026

GraphQL enables clients to construct precise queries, preventing transfer of unnecessary payload attributes common in fixed REST responses.

#REST API & Web Services #Quiz #Interactive