Citrix

NetScaler
Basic Administration for Citrix NetScaler 9.2
XenDesktop
Citrix XenDesktop 5 Administration (CXD-202)
Engineering a Citrix Virtualization Solution (CVE- 400)
XenServer
Citrix XenServer 5.6 Administration (CXS-202)
Implementing Citrix Access Gateway 9.0 Enterprise Edition ( CAG-200 )
XenApp
Advanced Administration for Citrix XenApp 5.0 for Windows Server 2008 (CXA-300)
Basic Administration for Citrix XenApp 6 (CXA-204)
Citrix XenApp 6.5 Basic Administration (CXA-206)
Implementing Citrix XenApp 5.0 for Windows Server 2008 (CXA-201-1I)
Implementing Citrix XenApp 5.0 for Windows Server 2008 Skills Update (CXA-202-1I)