Job in computer programming or to do with computers

Yeah, I used Packet-Tracer.

EDIT: Though I admit, though I did extremely well in my last semester, I realize my own strong points and weakpoints. I have a major problem with IP-addresses, but I know the functions of equipments rather well. Networking is really intense sh't.

is this what you're doing "computer and network systems security"
I just looked into that. They have it at the college im going to.