Introduction to networking for complete beginners

Hi, my name is Marious. I have been working in IT for 20 years (web design, networking, security, tutoring, management).

My courses/certifications: MCSE, MCSA, MCTS, MCP, Cisco CCNA, CCNP, CCNA Security, CCSP, Zyxel Security Professional,

Postgraduate studies in networking & security. A Master's Degree in Human Resources. 

20 years of experience in IT. This has included designing, troubleshooting and installing networks, Cisco routers, switches, access points and firewalls (ASA Firewalls, Aironet, VLANs, routing protocols RIP, OSPF, EIGRP, BGP, spanning tree, VPNs, Cyberoam, IPS/IDS, Riverbed), Previous experience includes Microsoft systems, IT Manager,  Technical Trainer (Cisco, Comptia, Microsoft) and Private Tutor. 

  CCNA Cisco Certified Network Associate (2009) 

  CCNP Cisco Certified Network Professional (2010) 

  CCNA_SEC Cisco Certified Network Associate Security (2012) 

  CCNA_ASA Cisco ASA Firewalls Specialist: Security and VPNs (2013) 

  CCSP (CCNP Sec) – Cisco Certified Security Specialist (2013) 

  ZCNP ZyXEL Certified Network Professional (2012) 

  MCSE Microsoft Certified Systems Engineer (2011) 

  MCP Microsoft Certified Professional (Windows Server) (2009) 

  MCTS Microsoft Certified Technology Specialist (Vista) (2009) 

  MCSA Microsoft Certified Systems Administrator (2010) 

              Training in ERP management, Cisco Networking Academy CCNA (distinction) 

              Microsoft Courses (Windows Server 2003, SQL, XP, ISA Server, Exchange Server)

Thanks and good luck with your studies!