DNS HTTP TCP/IP routing networking protocols

Azure Gcp Aws Http Ssl/tls

payroll Mainframe COBOL CICS...

Python Robot/pytest/behave Ci/cd Pipelines Groovy Java

Json Mws Jdbc Xml Edi

Soap Rest Apis Oauth2 Java Shell Scripting

Kotlin Git Github Http Rest Apis

Tcp Udp Http Dns Rest Apis

Eigrp Ospf Bgp Vlan Vtp

SQL stored procedures web services FTP SFTP

HTML HTTP REST JSON Oracle

Core Java J2EE Spring framework HTTP and REST APIs

SMNP SSH WMI PowerShell HTTP/HTTPS

ADABAS Cobol FTP Linux TSO

EIGRP OSPF BGP HTTP HTTPS