# How does cert-manager handle certificate renewal?

cert-manager, Medium (Advanced), Concepts. https://k8wiz.com/uquiz/how-does-cert-manager-handle-certificate-renewal

- A. It doesn't handle renewal; certificates must be manually renewed
- B. It renews certificates after they expire
- C. It renews certificates at a configured time before expiry
- D. It renews certificates only when explicitly triggered

**Answer:** It renews certificates at a configured time before expiry

**Explanation:** cert-manager automatically renews certificates at a configured time before they expire. By default, it will attempt to renew certificates when they are two-thirds of the way through their total lifetime.