There were two systems:

system1, main system on which most of the configuration take place

system2, some configuration here

Secured webserver.

Configure the website https://serverX.example.com with TLS

SSLCertificate file http://classroom.example.com/pub/rhce/tls/certs/system1.networkX.crt

SSLCertificatekeyfile http://classroom.example.com/pub/rhce/tls/private/system1.networkX.key

SSL CA certificate file http://classroom.example.com/pub/example-ca.crt