How are Cisco certification renewals handles?

in CCNA & CCENT
Let's say I pass the CCNA exam and have valid CCNA for 3 years, then I get the CCNP a year later. Does that mean my CCNA is valid until the CCNP expires or before the 3 years are up for the CCNA, I can use the CCNP certification to renew my CCNA for another three years.
Still searching for the corner in a round room.
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Master of Science in Information Security and Assurance - Western Governors University
Bachelor of Science in Network Administration - Western Governors University
Associate of Applied Science x4 - Heald College
You can also cross streams, so that a CCNA Data Center exam will renew your CCNA Routing and Switching, or even do something crazy like take a CCNP Collaboration exam to renew your CCNA Security. What that means is that you can have a whole bunch of CCNA level certifications, and then renew all of them by doing a CCNP/CCDP level exam. And it is passing the exam that renews your certs, not gaining another certification (but you can do both if you want).