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Why is it important to restrict RDS security group inbound rules to specific IP ranges or security groups rather than allowing open access?

hard📝 Conceptual Q10 of 15
AWS - RDS and Relational Databases
Why is it important to restrict RDS security group inbound rules to specific IP ranges or security groups rather than allowing open access?
ATo improve database query performance
BTo reduce AWS billing costs
CTo minimize attack surface and enhance database security
DTo enable automatic backups
Step-by-Step Solution
Solution:

  1. Step 1: Understand security group purpose

    Restricting inbound rules limits who can connect, reducing exposure to attacks.

  2. Step 2: Identify the security benefit

    Minimizing attack surface is a key security best practice for databases.

  3. Final Answer:

    To minimize attack surface and enhance database security -> Option C

  4. Quick Check:

    Restrict access to improve security [OK]
Quick Trick: Restrict inbound rules to reduce attack surface [OK]
Common Mistakes:
MISTAKES
  • Thinking it improves performance
  • Assuming it lowers costs
  • Confusing with backup settings

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