A private computer network within an organisation or company that allows controlled access from the outside is known as :
AIntranet
BExtranet
CFirmnet
DBiznet
Answer:
B. Extranet
Read Explanation:
An Extranet
Intranet: A private network accessible only to internal members/employees of an organization.
Extranet: An extension of an intranet that provides controlled, secure access to authorized outside users (such as clients, vendors, or partners).
Internet: A public, globally connected network accessible to anyone.