Cryopact, a Research Laboratory, Has Distributed Laptops to Its Employees

Multiple Choice

Cryopact, a research laboratory, has distributed laptops to its employees. The employees can access work files even when they are outside the office and collaborate with the office network through the services available in Office 365.
Which of the following Windows 10 networking models is Cryopact most likely using?

A) Azure AD join
B) Active Directory
C) The workgroup model
D) The domain model