Mei, a System Administrator, Has Installed Windows 10 on 15

Multiple Choice

Mei, a system administrator, has installed Windows 10 on 15 computers in her company. She needs to activate the license using the Multiple Activation Key (MAK) activation method. However, the new computers do not have access to the Internet because of certain infrastructure issues.
Which of the following methods should Mei use to activate the licenses without having to spend much time?

A) Configure proxy activation by using the Volume Activation Management Tool
B) Use phone-based activation
C) Authenticate Active Directory
D) Create a service (SRV) record in the domain name system (DNS)