For each characteristic in the table below, place a tick (✓) to show whether it refers to a LAN (Local Area Network) or a WAN (Wide Area Network).

Characteristic	LAN	WAN
Covers a large geographical area, such as a country or continent.
Infrastructure is usually owned and managed by the organisation.
Uses third-party telecommunications infrastructure (e.g. satellite, fibre cables).
Connects devices within a single site or building.

Scenario:
Case A: A secondary school connects all the computers in the Maths block and the Science block, which are located on the same school grounds.
Case B: A multinational bank has a head office in London and branches in New York and Tokyo. The branches share customer data securely.

(a) Identify the type of network used in Case A.
(b) Identify the type of network used in Case B.
(c) Justify your choice for Case A.

Explain two differences between a Local Area Network (LAN) and a Wide Area Network (WAN).

The Internet is often described as the "biggest network in the world".

(a) State whether the Internet is an example of a LAN or a WAN.
(b) Explain your answer to part (a) by referring to infrastructure.

A small business is moving from a single office into a second office located 50 miles away. They want to connect the networks in both offices together so they can share files.

Identify one hardware device that would be required at the border of each office's LAN to allow them to connect to the external WAN.