RHCE has absolutely nothing to do with containers. RHCE is Ansible.
@diesello Yes, any specialist certification will extend your RHCE certification.
@diesello Yes, to add to what @Chetan_Tiwary_ confirmed any specialist certification will extend your RHCE certification provided RHCE certification is current.
It both should and actually does.
I took EX188 a few months ago and it extended both my RHCSA and RHCE until the end of it's own validity.
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