AWS Certified Solutions Architect Associate | Questions with 100% Correct Answers | verified
Load Balancer - A dedicated network device that can direct requests to different servers based on a variety of factors. Application Load Balancer - intelligent routing When you need a flexible feature set for your web applications with HTTP and HTTPS traffic. -Operating at Layer 7 -provide advanced routing, TLS termination and visibility features targeted at application architectures, including microservices and containers. Network Load Balancer - When you need ultra-high performance and static IP addresses for your application. -Operating at the connection level (Layer 7) - capable of handling millions of requests per second while maintaining ultra-low latencies. Classic Load Balancer - legacy Elastic Load Balancers -can load balancer HTTP/HTTPS application and use Layer 7 specific features, such as X-Forwarded and sticky sessions X-Forwarded-For Header - if you need the IPv4 address of your end user 504 error - when application stops responding timed out trouble shoot the application (web server or db server?) instances monitored by ELB are reported as one of two states - what are they? - InService or OutofService
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