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What is a key advantage of using per-user rate limits in a REST API?

easy🧠 Conceptual Q1 of Q15
Rest API - Rate Limiting and Throttling
What is a key advantage of using per-user rate limits in a REST API?
AIt only applies to anonymous users without accounts.
BIt blocks all requests from a single IP address regardless of user.
CIt controls usage based on individual user accounts, allowing fair access.
DIt limits the total number of requests from the entire server.
Step-by-Step Solution
Solution:

  1. Step 1: Understand per-user rate limits

    Per-user limits track requests by user identity, not IP address.

  2. Step 2: Identify the advantage

    This allows fair access control per user, even if multiple users share an IP.

  3. Final Answer:

    It controls usage based on individual user accounts, allowing fair access. -> Option C

  4. Quick Check:

    Per-user limits = Fair user-based control [OK]
Quick Trick: Per-user limits track accounts, not IPs [OK]
Common Mistakes:
MISTAKES
  • Confusing per-user with per-IP limits
  • Thinking per-user limits block entire IPs
  • Assuming per-user limits apply only to anonymous users

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