Final answer:
Within the context of extranets, the term that is considered an interorganizational system is 'Extranet'. This is a controlled network that allows access to certain external entities like partners, suppliers or customers.
Step-by-step explanation:
In the context of extranets, an Extranet is considered an interorganizational system. The other given options do not apply. Intranet and LAN are internal networks, while the Internet is a vast uncontrolled public network. An Extranet, however, is a controlled private network that allows access to partners, vendors and suppliers, or an authorized set of customers. These are typically, but not exclusively, business to business (B2B) interfaces more than a network infrastructure.
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