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DLP ITIL IT service management PowerShell scripting SCCM

XML EDI JSON EXCEL OLTP

C++ Linux unix perl shell

TCP/IP UDP IPsec VRRP OSPF

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REST API Kotlin Java LTE CDMA

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Java Spring framework Cassandra Jenkins RESTful Web Services

Firewalls Routing Load Balancing OSI Model TCP/IP

VPN Firewalls Routing Load Balancing OSI Model

Windows 11 Mac Office 365 Duo Cisco VPN

C C++ Python Java Linux

TCP/IP DNS DHCP VPN SMTP e-mail relay servers