What types of secrets can be stored in Key Vault?

Short answer: Secrets: Strings, passwords, API keys, connection strings Keys: Cryptographic keys for encryption/decryption (RSA, EC) Certificates: SSL/TLS or client certificates

Real-world example (ShopNest)

Connection strings and payment keys live in Key Vault—not in source control or plain appsettings on disk.

Say this in the interview

1. Define — one clear sentence (the short answer above).
2. Example — relate it to a project like ShopNest or your real work.
3. Trade-off — when you would not use it.