What are the different types of malware and what do they do? What signs does a computer show that would make you suspect it is infected with malware? What is an operating system and which operating systems do you have experience using? What is an IP address and how is it different than a MAC address? How do you find a computer's IP address and MAC address on Windows? Do you know how to find them on any other operating system? What is the difference between a Mac and a PC? What are the main hardware components of a computer? If you didn't know the answer to a problem you faced on the job, how would you figure it out?