Topics that don't fit in to the other categories

A+, Network+, IT Fundamentals, Security+, Server+

CCT, CCENT, CCNA, CCNP ENCOR, ENARSI, CCNP SCOR

MTA, MCSA Windows 10, MCSE Windows Server 2019

Security+, CASP, CEH, CISM, SSCP and CISSP

ACA, ACSP and ACTC

IT Service Managment

AWS, Amazon Web Services, Cloud Services

Topics related to Microsoft Azure

Topics surrounding to VMware vSphere and related products

GNU/Linux, Ubuntu, Red Hat and others

PMP, Prince2, SCRUM, and Agile