The hacker has managed to poison everyone's arp cache so that all traffic to the internet is being sent to the hacker's system before they route it out to the internet. what type of attack is this?

Ihave 25$ on an itunes card and i need to buy spotify premium, i have no other payment method.

Our primary purpouse as electricians is to do wich of the following core concepts? a: install electrical components in a way they can be upgraded b: install electrical equiptment in a way that reduces heat c: install electrical systems in a safe manner d: only b and c

Does read theory have answers keys ?