Which tools should you recommend?

DRAG DROP
You have a Skype for Business Server 2015 infrastructure. You must troubleshoot issues related to the following:
Routing calls between internal users
Routing outbound calls handled by Skype for Business Server 2015
Which tools should you recommend? To answer, drag the appropriate tool to the correct location in the answer area.
Each tool may be used once, more than once, or not at all. Additionally, you may need to drag the split bar between panes or scroll to view content.
Select and Place:

Correct Answer:

Explanation/Reference:
Box 1: OCSLogger
Box 2: OCSLogger
Note:
Microsoft Lync Server 2013 Debugging Tools is a collection of additional tools for use by IT Adminsto aid in troubleshooting Lync Server 2013 deployments. The collection of tools include:
Snooper
OCSLogger
OCSTracer
ClsController.psm
The Lync Server Centralized Logging Service Agent service (also known as ClsAgent) is running on all
Lync 2013 servers in the deployment. The purpose of the agent is to respond to requests to enable/disable logging and to respond to search requests.
Reference: Overview of the Centralized Logging Service http://technet.microsoft.com/en-us/library/jj688145.aspx