To ensure that your computer is saving files by default to your hard drive

Q-3 a technician is setting up a computer lab. computers on the same subnet need to communicate with eachother peer to peer communication, a. hardware firewallb. proxy serverc. software firewalld. gre tunneling

Can someone work out the answer as it comes up in one of my computer science exams and i don't understand the cryptovariables

(, urgent need): how do i change my username