bandwidth management , Data Center Infrastructure, Firewall, Mikrotik, Mac, Switch, Linux, Cisco, VLAN concept, ICT system operation and maintenance, Printer, IBM MAXIMO system, Scan, Windows platform, Fax

Ips, Firewall, Ids, Vpn, troubleshooting IT

Network Security, Network Administration, Information Technology, Troubleshooting

Networking, It Hardware, IT Security, Access Control, network security basics, Monitoring, Korean language proficiency at Business Level