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What is a key limitation of VPC peering connections in AWS?

easy📝 Conceptual Q1 of 15
AWS - VPC Fundamentals
What is a key limitation of VPC peering connections in AWS?
AThey allow unlimited bandwidth between VPCs
BThey do not support transitive peering between VPCs
CThey automatically share security groups between VPCs
DThey require a VPN connection to function
Step-by-Step Solution
Solution:

  1. Step 1: Understand VPC peering basics

    VPC peering connects two VPCs directly without a gateway or VPN.

  2. Step 2: Identify limitations

    VPC peering does not support transitive routing, meaning traffic cannot pass through one VPC to another via peering.

  3. Final Answer:

    They do not support transitive peering between VPCs -> Option B

  4. Quick Check:

    Transitive peering = Not supported [OK]
Quick Trick: VPC peering is one-to-one, no transit allowed [OK]
Common Mistakes:
  • Assuming transitive routing works
  • Thinking security groups are shared automatically
  • Believing VPN is required for peering

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