Information Technology Network Security Networking Troubleshooting Computer Networking Telecommunications Virtual Private Network VPN Network Architecture Wireless Technologies Network Design Network Administration Ethical Hacking Network Engineering Firewalls Cisco Firewall Security IPSec CCNA Cisco Technologies Cisco IOS Switches Core Network VPN Routing Routers IP CCNP Cisco Nexus Internet Protocol IP Wide Area Network WAN Open Shortest Path First OSPF QoS BGP Cisco Systems Products Cisco Security OSPF EIGRP LANWAN Border Gateway Protocol BGP Internet Protocol Suite TCPIP Security MPLS ISIS Network Infrastructure ASA STP Cisco Certified Internetwork Expert CCIE CCIE RS HSRP GLBP IPS                                      Diploma in Network Administrator Turnkey IT in Sri Lanka Diploma in PC Hardware reparing & Networking Esoft in Sri Lanka Doctorate of Metaphysical Science The University of Metaphysics & Sedona Level 2 | Network Engineer Exetel Senior Network Engineer Sumathi Information Technologies Network Engineer Ooredoo Qatar  