Cisco

     

   CCNA

   CCNP (Routing & Switching)

   CCNP Security

 

 

Microsoft

 

   MCSE

   MCITP

   MS Exchanger Server 2010

   MS TMG 2010

 

Juniper

 

   JNCIA

   JNCIP

 

Red Hat Enterprise Linux

 

   RHCSA (Red Hat Certified System Administrator)

   RHCSE (Red Hat Certifited System Engineer)