webserver

What is the difference between web server and Application Server ? Where each is / should be used? Is there any interaction between them (a software can use the 2 technologies together)?

Although the two are interpreted equally by the Browser it seems to me that the extension .HTM has fallen into disuse. Should ... eaves like .HTM that " is quiet"? OBS: still remember that Dreamwever at the time of Macromidia had by default save in .htm

I have access to a Project backend and would like to know how do I make run that project. It uses loopback and when reading ... mand npm install -g loopback-cli and trying to run the system with node . or node server.js appears this error in terminal:

In a talk I had recently, one of the speakers commented that the only methods that, in fact, APACHE and NGINX accept/support ... verbs really accepted by the APACHE and the NGINX or the procedure contextualized in the question is what actually happens?