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How does the GraphQL schema ensure consistent interaction between clients and the server?

easy📝 Conceptual Q2 of 15
GraphQL - Schema Definition Language (SDL)
How does the GraphQL schema ensure consistent interaction between clients and the server?
ABy storing client data on the server
BBy dynamically generating queries based on client requests
CBy defining a fixed set of types and fields that clients can query or mutate
DBy encrypting all API responses
Step-by-Step Solution
Solution:

  1. Step 1: Identify schema's role

    The schema defines the data types and operations available.

  2. Step 2: Understand contract enforcement

    This fixed definition ensures clients know exactly what to expect and how to interact.

  3. Final Answer:

    By defining a fixed set of types and fields that clients can query or mutate -> Option C

  4. Quick Check:

    Schema sets fixed API contract, not dynamic query generation [OK]
Quick Trick: Schema fixes API structure for clients [OK]
Common Mistakes:
  • Thinking schema generates queries dynamically
  • Confusing schema with data storage
  • Assuming schema handles encryption

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