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A cloud administrator is troubleshooting an application that fails to connect to a database. The application and database are in the same VPC. Which THREE steps should the administrator take to diagnose the issue?
Option B is correct because using telnet or netcat from the application server to the database endpoint and port is a direct way to test whether the TCP connection is being established or blocked, which immediately narrows down whether the issue is network-level or application-le…Read full explanation
A cloud engineer deployed the infrastructure shown. The load balancer's health checks are failing for the EC2 instance. Which of the following is the MOST likely cause?
The health check is failing because the load balancer is configured to check the /health endpoint, but the web server does not have that endpoint defined. Without a matching route or file for /health, the server returns a non-2xx/3xx status code (e.g., 404 Not Found), causing the…Read full explanation
An organization must comply with a regulation requiring that all data stored in the cloud be encrypted at rest using a cloud provider's native encryption service. The company also needs to maintain control over the encryption keys. Which solution should the architect recommend?
The regulation requires cloud-native encryption at rest with customer-controlled keys. Cloud providers offer services like AWS KMS with customer-managed keys (CMKs) or Azure Key Vault with customer-managed keys, which allow the organization to create, rotate, and disable keys ind…Read full explanation
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