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

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Aug 12, 2026

Quiz: What is the primary difference between Docker Volumes and Bind Mounts?

Docker Volumes are isolated and managed within Docker's storage area ( /var/lib/docker/volumes/ ), while Bind Mounts mount explicit host directories directly.

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Aug 30, 2026

Quiz: What does idempotency mean in the context of RESTful HTTP methods?

… potency means making multiple identical requests has the same side-effect on the server as making a single request (e.g. GET, PUT, DELETE).

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Aug 30, 2026

Quiz: What is the purpose of the HTTP OPTIONS method in REST web services?

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

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Aug 30, 2026

Quiz: What is the primary difference between REST and SOAP web services?

… enterprise standards like WS-Security and strict XML schemas.

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Aug 30, 2026

Quiz: What does HTTP 502 Bad Gateway indicate?

… response from backend web workers (e.g. Gunicorn/Flask).

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Aug 30, 2026

Quiz: Which URI design pattern follows RESTful resource naming conventions?

RESTful URIs use plural nouns representing resource hierarchies ( /users/123/orders ) rather than action verbs.

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Aug 30, 2026

Quiz: What is Content Negotiation in REST APIs?

Content Negotiation allows clients to request specific data representations (e.g. Accept: application/json ).

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❓ Quiz Question

Aug 30, 2026

Quiz: What key issue in REST APIs does GraphQL address?

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

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