Question

Which of the following is a benefit, as well as a risk, associated with peer-to-peer networks?

Answer 1

The answer is individuals can easily add or remove devices from their network

Answer 2

Clients depend on a working main server to perform their jobs: no, p2p relies on a structure without a central server. 

Individuals can easily add or remove devices from their network: yes, this is true.

Requires an IT professional, but easy to add clients to server and give privileges: no, in p2p, the server doesn't play a role.

Software is maintained on the server, allowing for easy access to upgrade programs for all users: this is not an aspect of p2p