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Which protocol is most appropriate to encrypt data exchanged between microservices?

easy📝 Factual Q3 of 15
Cybersecurity - Security Architecture and Design
Which protocol is most appropriate to encrypt data exchanged between microservices?
AFile Transfer Protocol (FTP)
BSimple Mail Transfer Protocol (SMTP)
CTransport Layer Security (TLS)
DHypertext Transfer Protocol (HTTP)
Step-by-Step Solution
Solution:

  1. Step 1: Identify encryption protocols

    TLS is widely used to secure communication channels by encrypting data.

  2. Step 2: Analyze other protocols

    SMTP and FTP are not encryption protocols; HTTP is unencrypted.

  3. Final Answer:

    Transport Layer Security (TLS) -> Option C

  4. Quick Check:

    TLS encrypts data in transit [OK]
Quick Trick: TLS secures data between services [OK]
Common Mistakes:
MISTAKES
  • Confusing HTTP with HTTPS/TLS
  • Assuming FTP encrypts data
  • Using SMTP for service communication

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