Elastic Load Balancer Exam Tipcs
- There are three types of ELB Load Balancers
- Application
- Network
- Classic
- 504 Error means that the gateway has timed out. This means that the application is not responding within the idle timeout period.
- Troubleshoot the application. Is it the Web Server or Database server?
- If you need the IPv4 address of your end-user, look for the X-Forwarded-For header