HashiCorp Certified - Vault Associate Course - Vault Initialization

The video tutorial explains the Vault initialization process, which prepares the storage backend to receive data by creating encryption and master keys. It covers the importance of initializing Vault only once per cluster, the use of key shares and recovery keys, and the options for encryption. The tutorial also discusses the generation of the initial root token and the methods to initialize Vault using CLI, API, or UI. Finally, it touches on the auto unseal process and the steps to start using Vault after initialization.

What is the default number of key shares and the threshold during Vault initialization?

What is the significance of the root token generated during Vault initialization?