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Solutions Architect interview question · Most asked

Difference between Security Groups and NACLs?

Summary

Security Groups are stateful instance-level allow rules; NACLs are stateless subnet-level allow/deny rules evaluated in order.

Longer Answer

Security Groups are stateful instance-level allow rules; NACLs are stateless subnet-level allow/deny rules evaluated in order. AWS SA interview fundamental.

Key Points

  • Security Groups are stateful instance-level allow rules; NACLs are stateless subnet-level allow/deny rules evaluated in order
  • AWS SA interview fundamental
  • Relevant areas: Networking, Security
  • Use the answer to connect the concept back to a realistic production or interview scenario for 'Difference between Security Groups and NACLs?'

Comparison / Tradeoffs

Aspect Notes
Core idea Security Groups are stateful instance-level allow rules; NACLs are stateless subnet-level allow/deny rules evaluated in order.
Practical tradeoff AWS SA interview fundamental.

Explanation

Summary

AWS SA interview fundamental.

Longer Answer

AWS SA interview fundamental. Focus on the practical implications across Networking, Security.

Key Points

  • AWS SA interview fundamental
  • Focus on the practical implications across Networking, Security
  • Relevant areas: Networking, Security
  • Use the answer to connect the concept back to a realistic production or interview scenario for 'Difference between Security Groups and NACLs?'

Comparison / Tradeoffs

Aspect Notes
Core idea AWS SA interview fundamental.
Practical tradeoff In an interview, relate 'Difference between Security Groups and NACLs?' to implementation decisions, tradeoffs, and operational impact.

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