Help me, I'll mark brainiest

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 online classes such as gradpoint track your ip location like if im taking a final and i give somebody else my account and they take the final for me will it show where they are taking the final from? and can this be countered with a vpn

How should you specify box sizes on a web page if you want the boxes to vary according to the font size of the text they contain? a. in pixels b. in inches c. as percentages d. in em units