Two employees are unable to access any websites on the internet, but can still access servers on the local network, including those residing on other subnets. Other employees are not experiencing the same problem. What should you do?

In the Internet Options, define the name of the proxy server and the port number.

Explanation:

If the two staff  in the company are unable to reach the websites on the internet also  they are  able to access servers on the local area network also the Other staff members don't encounter the problem and they have to face the same problem because they do not define the name of the proxy server and the port number in the internet option.

If they do not define the proxy server and the post they have not accessing the website so to able the accessing it must properly define the proxy server and the port number.

a local network will allow everyone in the office to share the printer.

the answer is d underlined.