ZERTIFIKATE

Microsoft:
70-647, Pro: Windows Server 2008, Enterprise Administrator
70-643, TS: Windows Server 2008 Applications Infrastructure, Configuring
70-642, TS: Windows Server 2008 Network Infrastructure, Configuring
70-640, TS: Windows Server 2008 Active Directory, Configuring
70-680, TS: Windows 7, Configuring

Linux:
LPI 1, Linux Professional Level 1