In a network, each node connected to the network communicates directly with every other node.

I am definitely sure that correct answer looks like this: In a peer-to-peer network, each node connected to the network communicates directly with every other node. Peer-to-peer or P2P network is a network in which every client connected to another client and they are depended on each other. When one of them has connection problems, another one gets them too.

What program is this in?

Answer (b) the meter will display a negative sign;