DHCP DNS WLAN STP HSRP

LAN WAN Wireless VPN VLAN

BGP OSPF AWS Azzure Cloud Python

TCP/IP DNS DHCP VPN XenDesktop

C++ Linux unix perl shell

SAP Fiori UI5 React Vue Node.js

TCP/IP UDP IPsec VRRP OSPF

Cisco Call Studio Cisco ICM Script Editor Sales force Cisco CVP Cisco ICM

python Golang Jenkins GitLab Travis CI

REST API Kotlin Java LTE CDMA

Python JES2 SMS HSM Cobol

Java Spring framework Cassandra Jenkins RESTful Web Services

Oracle Cloud ERP SCM Finance GL AP

Firewalls Routing Load Balancing OSI Model TCP/IP

VPN Firewalls Routing Load Balancing OSI Model