What uses can you think of for a network traffic analyzer? In a few sentenc

 
What uses can you think of for a network traffic analyzer? In a few sentences, describe how Wireshark assists investigators. describe what the basics of Wireshark is about. Learning to master Wireshark can be done online. What Internet sites could you use as a resource for learning this valuable open source tool? Provide links to any useful resource you find.
200-250 words