HOTSPOT
A company plans to implement SharePoint.
You have the following requirements:
You must implement a hybrid, two-way trust environment.
You must implement single sign on.
You must minimize costs.
You need to plan the implementation of the solution.
Which products should you implement? To answer, select the appropriate product from each list in the answer
area.
Answer: 
Explanation:
* You can implement Single Sign-on with Office 365 E1 Plan for Exchange Online and SharePoint Online.
* SharePoint 2013 Standard would be enough.
* For single sign on we should use Active Directory Federation Services (AD FS).
* ADFS signs the tokens that it issues with a token signing certificate. You must import into SharePoint a
certificate that it can use to validate the token from ADFS. Single sign-on roadmap
https://technet.microsoft.com/en-us/library/hh967643.aspx