For each statement below, tick (✓) one box to identify whether it refers to a Client-Server network or a Peer-to-Peer network.

Statement	Client-Server	Peer-to-Peer
All computers have equal status and can share files directly with each other.
Backups are managed centrally from one location.
Security is distributed; each user is responsible for their own anti-virus updates.
If the central computer fails, the network services become unavailable.

Scenario:
A graphic designer, Alex, works from home. He has three computers and a printer connected in a network. He does not have a dedicated server.

(a) Identify the type of network model Alex is using.
(b) Explain one benefit to Alex of using this type of network model rather than a Client-Server model.
(c) Explain one drawback to Alex of using this type of network model.

A large supermarket chain connects all its checkout computers to a main computer in the back office. This main computer stores the product prices and stock levels.

(a) Identify the computer acting as the Server in this scenario.
(b) Identify the computer acting as the Client in this scenario.
(c) Describe the role of the Client when a barcode is scanned at the checkout.
(d) Describe the role of the Server after it receives data from the checkout.

A secondary school currently uses a Client-Server network for its 500 students. The headteacher is considering switching to a Peer-to-Peer network to save money on hardware.

Explain two reasons why the school should remain on a Client-Server network.