Match the feature to the network architecture,
expensive to set up
useful for a small organization
easy to track files
has a central server
inexpensive to set up
difficult to track files
useful for a large organization
does not have a central server
client-server network
peer-to-peer network

Answer is:  

Client-Server Network

Peer-to-peer Network

Explanation:

Client-Server Network is ideal for bigger network set up like offices and companies where there will be a central server involved with several clients to access and connected with the server. This is the normal network set up to companies. While, Peer to peer network is ideal for much smaller network, which consists of only two computers to communicate and share files. This network is normally temporary and inexpensive since in only works with two computers.