Answer:
Jack should troubleshoot the server and check to see if it has crashed
Explanation:
Troubleshooting is a systematic way of detecting and resolving issues involved with machines and complex systems like with a server.the first step to resolving an issue caused by a failed process experienced in a machine is to first identify the source or cause of the problem and one way to do that is to troubleshoot the machine.
Troubleshooting a server will lead you to the cause of the servers' failure to return queried files stored on the server and also to help identify if the server has crashed.
