AWS SAA-C03 · Question 65 · Domain 4.4: Network Cost Optimization
A solutions architect is reviewing a company's AWS architecture to identify cost optimization opportunities. The architecture consists of a multi-tier application deployed across two Availability Zones. The architect notices high cross-AZ data transfer costs. Which TWO strategies can help reduce these specific costs? (Select TWO.)
Answer options:
Keep traffic within the same Availability Zone where possible.
Use public IP addresses for communication between EC2 instances in different AZs.
Use Amazon ElastiCache to cache database queries locally in each AZ.
Replace the Application Load Balancer with a Network Load Balancer.
Enable Cross-Zone Load Balancing on the Application Load Balancer.
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