An extranet is like an intranet except that it allows company employees access to corporate Web sites from the
a. employee's desktop PC c. employee's fax/
b. supervisor's PC d. Internet printer device

In this the options should be as below

a. employee's desktop PC

c. employee's fax/

b. supervisor's PC

d. Internet

e.  printer device

So the Correct Answer is Internet

Explanation:

Extranet is a network created for accessing resources for certain users.

Extranet is made for B2B access. It is actually business-to-business intranet in which only authorised users can access the resources or websites in an controlled and secured channel accessed from internet.

In the Internet anyone can access anything and In order to allow company employees and customers to collaborate extranet is used. Extranet is a partially allowed access to selected resources inside the company organisation.

Extranet can be accessed only when you have user access to it. Identity can be established using username and password or through token based access.

when listing items that have an order of priority.