1
Operations and Support
hard
An application log shows the entries above. The application is a web server running on a virtual machine in a cloud environment. The database is a managed cloud database service. Which of the following is the MOST likely root cause of the failure?
Exhibit
Refer to the exhibit. ``` 2023-08-15 14:23:45 ERROR: Database connection timeout after 30 seconds. 2023-08-15 14:23:46 INFO: Retrying connection... 2023-08-15 14:23:46 ERROR: Max retries exceeded. 2023-08-15 14:24:00 ERROR: Failed to authenticate user 'app_user' on database 'app_db' from host '10.0.1.25'. 2023-08-15 14:24:01 WARN: Application shutting down. ```