While the concept of has well served scientists who share scientific text files and application developers who exchange code, the greater use has been in downloading artistic files, such as music and video files.
vpns
lans
point-to-point file protocol
peer-to-peer (p2p) file sharing

peer-to-peer (P2P) file sharing

Explanation: Peer-to-peer file sharing is the technique in which networking technology is used for the sharing and distribution of the files digitally. The sharing of the files are in the form of movies, games music etc.

Peer are considered as the nodes which are the end-user so, the end-user to end-user file transfer is done through this technology.

Other options are incorrect because VPN(virtual private network) is the connection between network and client over less secure network,LAN (Local area network) is the network that can be established for single infrastructure to connect  and point to point protocol is protocol for the routers for communication.Thus the correct option is P2P file sharing.

answer inspecting packets in isolation from their context;