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Why does Confluent Cloud recommend using API keys instead of username/password for Kafka client authentication?

hard📝 Conceptual Q10 of 15
Kafka - Kubernetes and Cloud Deployment
Why does Confluent Cloud recommend using API keys instead of username/password for Kafka client authentication?
AUsername/password are not supported by Kafka
BAPI keys provide scoped, revocable access improving security
CAPI keys allow anonymous access
DUsername/password are easier to guess
Step-by-Step Solution
Solution:

  1. Step 1: Understand API key benefits

    API keys can be limited in scope and revoked without affecting other credentials.

  2. Step 2: Compare with username/password

    Username/password are less flexible and harder to manage securely.

  3. Final Answer:

    API keys provide scoped, revocable access improving security -> Option B

  4. Quick Check:

    API keys = scoped and revocable access [OK]
Quick Trick: API keys improve security with scope and revocation [OK]
Common Mistakes:
  • Thinking API keys allow anonymous access
  • Believing username/password unsupported
  • Assuming username/password are more secure

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