scrum

I've heard a lot about Agile methodologies and I really liked the idea. Of course, from what I have seen, the client needs to ... g tasks, etc. My question is: Is there a way to use Agile methodologies working alone? If so, where can I see more about it?

I was Reading about the term backlog, but I didn't quite understand what it would be about Scrum. Because, according to thi ... log? What Is Sprint Backlog? what is the influence of the Backlog in relation to a project in which it is using the Scrum?

Scrum and Agile are very popular, but what do they offer of benefits? In the case of Scrum, I can see the improvement, contin ... here Should these disciplines come from? What does it serve to complement the Scrum nowadays? Does the staff care about that?

Is there a clear way to determine when a software development project should be conducted using a Waterfall Methodology or using Scrum? What criteria should be observed for choosing one or the other?