An administrator needs to create two websites. One website must only be used by internal users and the other website must be a corporate website accessible externally by customers. Which of the…

This option reverses the definitions - an extranet is not for internal users and an intranet is not for customers.

The internet is an open, public network accessible to everyone and is not appropriate for resources intended only for internal employees.

An intranet is a private network resource restricted to internal employees, making it the correct choice for internal users. An extranet is a controlled extension of the organization's network that grants limited, authenticated access to specific external parties such as customers, distinguishing it from the fully public internet.

Using an extranet for both groups is incorrect because internal resources should be on an intranet, which is more restrictive and does not expose resources to any external parties.