Basically, I have no interest in politics.
I was told by my boss that I don't even know the fundamentals and that I'm useless.
How often are you surprised by making basic mistakes?
The things that are basics (基本) like (的) are basic and fundamental.
This is a jukugo word, which usually means on'yomi readings from the kanji. If you know the readings of your kanji you'll know how to read this as well. Knowing how to read the word 基本 will be helpful too.