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What is the main benefit of enabling cross-zone load balancing in AWS Elastic Load Balancer?

easy📝 Conceptual Q11 of 15
AWS - Elastic Load Balancing
What is the main benefit of enabling cross-zone load balancing in AWS Elastic Load Balancer?
AIt increases the maximum number of connections per target.
BIt automatically scales the number of Availability Zones.
CIt evenly distributes incoming traffic across all registered targets in all enabled Availability Zones.
DIt encrypts all traffic between the load balancer and targets.
Step-by-Step Solution
Solution:
  1. Step 1: Understand cross-zone load balancing purpose

    Cross-zone load balancing spreads traffic evenly across targets in all zones, preventing uneven load.
  2. Step 2: Compare options to this purpose

    Only It evenly distributes incoming traffic across all registered targets in all enabled Availability Zones. describes this even distribution. Other options describe unrelated features.
  3. Final Answer:

    It evenly distributes incoming traffic across all registered targets in all enabled Availability Zones. -> Option C
  4. Quick Check:

    Cross-zone load balancing = even traffic spread [OK]
Quick Trick: Cross-zone means traffic spreads evenly across zones [OK]
Common Mistakes:
MISTAKES
  • Confusing cross-zone with encryption or scaling
  • Thinking it increases max connections per target
  • Assuming it changes number of zones automatically

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