Which network infrastructure provides access to users and end devices in a small geographical area, which is typically a network in a department in an enterprise, a home, or small business?

Extranet
Intranet
LAN
WAN

Which network infrastructure might an organization use to provide secure and safe access to individuals who work for a different organization but require access to the organization’s data?

Extranet
Intranet
LAN
WAN

Which network infrastructure provides access to other networks over a large geographical area, which is often owned and managed by a telecommunications service provider?

Extranet
Intranet
LAN
WAN