Who’s that knocking on my door?

You’re managing a web server, and you are interested in knowing what devices might be connecting to your server right now. What network utility would be the best choice to give you this information?

What utility tells all?

You’ve been asked to troubleshoot a computer that you’ve never seen before. What utility can provide you with a system summary of the computer, detailed component information, and specifics of the software environment?

Which command line utility reveals all?

You’re working on a computer’s network connection, and you’d like to know the configuration settings of every network adapter in the computer. Which command line utility provides a comprehensive view of all network configurations?