Kubernetes and Jenkins course or certification

Hello everyone,

I just landed a job as a DevOps after reorienting myself from a Ph.D. in AI and my company asks me to do a certification or to follow a course teaching how to use Kubernetes and Jenkins.

Do you guys have any recommendations on which one to choose? I found the "Certified Kubernetes Administrator" on Udemy for example, does anyone know if it's a good one?

For my background, I have a master's degree in computer science and knowledge in web, sysadmin, docker and ansible, so I'm not a debutant in the domain.

Thank you in advance

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