Which two types of secondary authentication does this solution support?

You are an intern for an organization that wants to improve its security. The organization wants
multi-factor authentication enforced for all of its users.
You suggest implementing Microsoft Office 365 Business Premium.
Which two types of secondary authentication does this solution support? Choose two.

A.
notification through a smartphone application

B.
entering a username and password

C.
entering a text code sent to the user’s mobile phone

D.
the insertion of a smart card into a reader attached to the user’s computer

Explanation:
Multi-Factor Authentication for Office 365 offers the following subset of Azure Multi-Factor
Authentication capabilities:
* Use of a mobile app (online and one-time password [OTP]) as a second authentication factor
* Use of a phone call as a second authentication factor
* Use of an SMS message as a second authentication factor
Multi-Factor Authentication for Office 365
https://msdn.microsoft.com/en-us/library/azure/dn383636.aspx