What should you do?

A company uses Skype for Business Online.

You need to ensure that all employees can search for and add Skype consumer contacts.

What should you do?
A . Instruct all employees to use the Skype for Business client, and connect to Skype for Business Online by using their Skype ID credentials.
B . Instruct all employees to use the Skype consumer client, and connect to Skype for Business Online by using their Skype ID credentials.
C . Instruct all employees to use the Skype consumer client, and connect to Skype for Business Online by using their Office 365 credentials.
D . Instruct all employees to use the Skype for Business client and connect to Skype for Business Online by using their Office 365 credentials.

Answer: D

Explanation:

The client for Skype for Business Online.is Skype for Business client. To be able to search for Skype consumer contacts the users must connect through the Skype consumer client , and must log in with Office 365 credentials.

References: https://technet.microsoft.com/en-us/library/dn705313.aspx