A director of nursing (DON) of a small, remote hospital wants to use telehealth technology, because ...

B
WAN encompasses a larger geographic area and includes leased telecommunication lines. WAN access would need to be assessed to determine the capability of reaching out to remote sites.
LAN encompasses a smaller computer network and may only include the hospital itself. The facility would need WAN access.
Determining nursing interest would give some good information about what is needed to facilitate this change, but it is not the most important action for the DON to take.
The DON would not write network protocols; the technology department would.