These are exam codes:
- 70-331 (Core Solutions of Microsoft SharePoint Server 2013)
- 70-332 (Advanced Solutions of Microsoft SharePoint Server 2013)
More details:
http://www.microsoft.com/learning/en/us/sharepoint-certification.aspx
Microsoft Sharepoint 2013 download:
http://technet.microsoft.com/en-us/evalcenter/hh973397.aspx