Layer-by-Layer Troubleshooting -- Application Server Timeout
An application server at 10.40.2.50 accepts TCP connections but data transfers time out after 3 seconds. The load balancer health checks pass, but users are reporting intermittent errors and failed file uploads. Your task: analyze the TCP/IP stack layer by layer, examine the evidence collected from packet captures, configs, and system output, and identify all 8 issues causing the degraded service.