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Why is it important to integrate Kafka's encryption at rest with an external Key Management Service (KMS) rather than managing keys locally on brokers?

hard📝 Conceptual Q10 of 15
Kafka - Security
Why is it important to integrate Kafka's encryption at rest with an external Key Management Service (KMS) rather than managing keys locally on brokers?
ALocal key management is faster and more secure
BExternal KMS provides centralized, secure key storage and rotation
CKafka brokers cannot encrypt data without KMS
DKMS reduces network latency for Kafka messages
Step-by-Step Solution
Solution:
  1. Step 1: Understand key management best practices

    Centralized key storage and rotation improve security and compliance.
  2. Step 2: Compare local vs external key management

    Local keys risk exposure and lack centralized control; external KMS enhances security.
  3. Final Answer:

    External KMS provides centralized, secure key storage and rotation -> Option B
  4. Quick Check:

    External KMS = centralized secure key management [OK]
Quick Trick: Use external KMS for secure, centralized key management [OK]
Common Mistakes:
  • Believing local key management is more secure
  • Thinking Kafka cannot encrypt without KMS
  • Confusing KMS with network performance

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