What is the best way to achieve the goal from the Exchange admin center?

You have a Microsoft Exchange Online subscription for an email domain named contoso.com.

A partner company has an Exchange Online subscription for an email domain named fabrikam.com.

You need to prevent out-of-office messages sent by users in contoso.com from being sent to users in fabrikam.com.

What is the best way to achieve the goal from the Exchange admin center? More than one answer choice may achieve the goal. (Choose the best answer.)
A . Create a connector
B . Create a mail flow rule
C . Create a remote domain
D . Create an accepted domain

Answer: C

Explanation:

References: https://docs.microsoft.com/en-us/exchange/mail-flow-best-practices/remote-domains/remote-domains