My dad said: "Who knows can teach" I prepare guys to obtain their Cisco CCNA/CCNP certifications, networking and security fundamentlas and so on. I'm familiar both with face-to-face course then online sessions (using Skype, scribd and so on). I made presentations, labs and test for Cisco CCNA,CCNP certifications using PowerPoint, Visio, Scribd, GNS3, Packet Tracer tools