Which of the following best describes the function of cross-zone load balancing in an AWS Elastic Load Balancer?

easy📝 Conceptual Q1 of 15

AWS - Elastic Load Balancing

AIt evenly distributes incoming traffic across all registered targets in all enabled Availability Zones.

BIt restricts traffic to only targets within the same Availability Zone as the load balancer.

CIt routes traffic based on the geographic location of the client.

DIt automatically scales the number of targets in each Availability Zone.

Step-by-Step Solution

Solution:

Step 1: Understand cross-zone load balancing
Cross-zone load balancing allows the load balancer to distribute traffic evenly across all registered targets in all enabled Availability Zones, regardless of the zone the request originated from.
Step 2: Eliminate incorrect options
It restricts traffic to only targets within the same Availability Zone as the load balancer. is incorrect because cross-zone load balancing does not restrict traffic to the same zone. It routes traffic based on the geographic location of the client. is about geo-routing, unrelated to cross-zone load balancing. It automatically scales the number of targets in each Availability Zone. refers to auto-scaling, which is separate.
Final Answer:
It evenly distributes incoming traffic across all registered targets in all enabled Availability Zones. -> Option A
Quick Check:
Cross-zone load balancing = even distribution across zones [OK]

Quick Trick: Cross-zone LB balances traffic evenly across all zones [OK]

Common Mistakes:

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