When the Zscaler Client Connector launches, which portal does it initially interact with to understand...

When the Zscaler Client Connector launches, it initially interacts with the Zscaler Central Authority portal. This portal provides the Client Connector with information about the user's domain and the configured identity provider (IdP). This interaction allows the Client Connector to direct the user to the appropriate authentication endpoint and apply the correct access policies.

The study guide emphasizes the role of the Central Authority in managing user domain information and identity provider details for authentication flows.