Listed in this linked website is a pile of acronyms that I find most common in server management and other aspects of my job. Have a look and feel free to search and learn what these items are.
One of the main issues I have all the time is a user that only knows how to do their job and nothing more. Get curious and investigate how to mange your computer and where items and settings are located.
I have learned most of my skills from the Internet over the years. A majority of solutions for issues are also found on the Internet. Having good search habits help you find the solution to your issues faster. Review the Common search techniques like Search for an exact match.
I cannot stress enough that you need to sound like you know what you are talking about. Also don't be afraid to ask questions, they want you to learn. Every time I start a new job there is always lingo used at the office I have to learn about their infrastructure because everyone's is a bit different.