Application Load Balancer

AWS DVA-C02 Drill: Client IP Preservation - Handling X-Forwarded-For with ALB

1 July 2025·801 words·4 mins

Certification Drills AWS DVA-C02 Application Load Balancer X-Forwarded-For

Analyzing how to correctly capture client IPs behind an ALB without compromising horizontal scalability or cost efficiency.

AWS DVA-C02 Drill: Lambda & ALB Integration - Permission Pitfalls

15 June 2025·672 words·4 mins

Certification Drills AWS DVA-C02 Lambda Application Load Balancer Permissions

Analyzing the Lambda registration with ALB scenario to identify the correct troubleshooting approach.

AWS SOA-C02 Drill: Auto Scaling for Web Apps - Dynamic Scaling vs. Scheduled Scaling

1 June 2025·785 words·4 mins

Certification Drills AWS SOA-C02 Auto Scaling Application Load Balancer

Analyzing Auto Scaling options to handle unpredictable traffic spikes in a web application environment.

AWS DVA-C02 Drill: Capturing Client IP - X-Forwarded-For Header vs. Server Logs

1 June 2025·670 words·4 mins

Certification Drills AWS DVA-C02 EC2 Application Load Balancer X-Forwarded-For

Analyzing how developers must configure HTTP servers behind an ALB to log true client IP addresses.

AWS DVA-C02 Drill: Application Load Balancer - Intelligent Routing for Beta Testing

10 May 2025·901 words·5 mins

Certification Drills AWS DVA-C02 Application Load Balancer Target Groups Beta Testing

Analyzing the ALB routing scenario to identify the least-effort way to direct test requests to a beta application version.

AWS DVA-C02 Drill: Global Application Performance - Choosing the Right Acceleration Approach

30 April 2025·836 words·4 mins

Certification Drills AWS DVA-C02 CloudFront Application Load Balancer Route 53

Analyzing a global LMS performance improvement scenario to identify the correct AWS implementation strategy with minimal operational overhead.

AWS DVA-C02 Drill: Network Troubleshooting - Identifying Request Reachability with Logs

20 April 2025·758 words·4 mins

Certification Drills AWS DVA-C02 Amazon Route 53 VPC Flow Logs Application Load Balancer

Analyzing network log options to confirm request reachability for a three-tier web application.

AWS SOA-C02 Drill: Route 53 Record Types - Choosing ALIAS for Load Balancer DNS

15 April 2025·660 words·4 mins

Certification Drills AWS SOA-C02 Route 53 DNS Records Application Load Balancer

Analyzing the Route 53 DNS record decision-making scenario to identify the correct record type for pointing a root domain to an Application Load Balancer.

AWS SOA-C02 Drill: ELB Access Logs - The Troubleshooting SRE's Source-of-Truth

20 January 2025·1070 words·6 mins

Certification Drills AWS SOA-C02 Elastic Load Balancing Application Load Balancer Access Logs CloudWatch Auto Scaling Troubleshooting

Analyzing the ELB logging scenario to identify the correct data source for client IP investigation during scale-up events.