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Why is it important to enable both encryption in transit and encryption at rest in Elasticsearch?

hard🧠 Conceptual Q10 of Q15
Elasticsearch - Security
Why is it important to enable both encryption in transit and encryption at rest in Elasticsearch?
ATo protect data both while moving across the network and when stored on disk
BBecause encryption at rest automatically encrypts network traffic
COnly encryption in transit is needed for security
DEncryption at rest replaces the need for transport encryption
Step-by-Step Solution
Solution:
  1. Step 1: Understand encryption in transit

    Encryption in transit protects data moving between nodes and clients.
  2. Step 2: Understand encryption at rest

    Encryption at rest protects data stored on disks from unauthorized access.
  3. Final Answer:

    To protect data both while moving across the network and when stored on disk -> Option A
  4. Quick Check:

    Both encryptions protect data in different states [OK]
Quick Trick: Use both encryptions to secure data fully [OK]
Common Mistakes:
MISTAKES
  • Thinking one encryption covers both transit and rest
  • Assuming encryption at rest encrypts network traffic
  • Ignoring the need for transport encryption

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