A user recently installed an application that accesses a database from a local server. When launching the application, it does not populate any information. Which of the following command-line tools is the best to troubleshoot the issue?
The question asks which is best to 'troubleshoot" the issue. A and B are unrelated. C netstat gives you connectivity information like if a connection does exists between the app and the server. D. Curl directly allows you to test the app's ability to access the server. Sorry for the botched explanation, if it made sense.
curl is a command-line tool used to test HTTP requests and interact with web-based APIs or services.
If the application accesses a database through a web service or REST API, curl can help verify whether the endpoint is reachable and responding correctly.
C. Netstat allows you view if the ports necessary for the app to function with the database server are open, thus the best option.
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