Free AWS Certified Solutions Architect Associate SAA-C03 Practice Question

An Application Load Balancer (ALB) is the correct service to use in this case because it supports layer 7 load balancing, which allows it to handle HTTP and HTTPS traffic and includes support for WebSocket protocol and sticky sessions. Sticky sessions enable the load balancer to bind a user's session to a specific server, thereby enabling a seamless user experience. The WebSocket protocol is used for interactive communication sessions between a user's browser and a server, and ALB natively supports WebSockets. Other services like Network Load Balancer (NLB) and Classic Load Balancer (CLB) do not provide support for WebSocket or may not fully support application-level sticky sessions.