CCNA Data Center

Hi Everyone,
I am planning to take CCNA DC exam .. I am working as a Functional tester in an reputed MNC for last 2 years, but somehow I am not satisfied with what I am doing so I need a change.
so can any one help out with my question that how can I clear this exam?is it very tough to pass CCNA DC?
.
shall i join some classes or self study is enough for clearing this.
Thanks in advance
I am planning to take CCNA DC exam .. I am working as a Functional tester in an reputed MNC for last 2 years, but somehow I am not satisfied with what I am doing so I need a change.
so can any one help out with my question that how can I clear this exam?is it very tough to pass CCNA DC?

shall i join some classes or self study is enough for clearing this.
Thanks in advance

Comments
Anyone who has passed this?
what do you recommend for lab? I only have a laptop :P
Already passed: Oracle Cloud, AZ-900
Taking AZ-104 in December.
"Certs... is all about IT certs!"