Answer:
B. An extranet
Explanation:
An extranet is a private network that uses internet access to share part of its business information or operations with customers, distributors, and so on. It grants access to customers, distributors, vendors, and so on to the network without granting them access to the entire organization's network. So data such as invoices, orders made by third parties can be done on the organization's network without giving them full access to the entire network with the help of an extranet.
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