Linux Professional Institute LPIC-1 (Linux systems administration Level 1) LPIC-2 (Linux systems administration Level 2) LPIC-3 (Linux systems administration Level 3)
Microsoft MCP (Microsoft Certified Professional) MCSA (Microsoft Certified System Administrator) MCSE (Microsoft Certified System Engineer)
Blackberry BCTA (BlackBerry Certified Technical Associate) BCCSA-1 (BlackBerry Customer Support Associate Tier 1) BCCSA-2 (BlackBerry Customer Support Associate Tier 2) BEMSA (BlackBerry Enterprise and Mid-Market Sales Associate)