The Difference Between a Firm's External Versus Internet Links Is

The difference between a firm's external versus internet links is based on

A) whether the firm has its own address or is part of a Web community.
B) whether the Web site was developed by another firm (outsourced) or developed internally.
C) whether the Web site was maintained by another firm (outsourced) or maintained internally
D) whether the user is directed to a section within the company's site or to another firm's Web site.