Action Item: If you are still using a “301 link” in production, plan a migration. The new paradigm uses single sign-on (SSO) links tied to your organization’s identity provider (Azure AD, Okta, etc.), not version-specific URLs.
While there is no single "deep post" titled exactly "esri arcgis pro 301 link," the terms likely refer to HTTP 301 redirects used within ArcGIS Enterprise and ArcGIS Server configurations to handle URL changes or reverse proxy setups. Technical Context of 301 Redirects in ArcGIS esri arcgis pro 301 link
Preparation Guide: Esri provides an Exam Information Guide (EIG) for every certification level. The Direct Download Link for ArcGIS Pro 3
The Intelligence of Intuition: For the first time, geoprocessing tools gained a "memory," remembering their floating window positions and sizes to save users from the tedious dance of re-arranging their workspace every morning. Action Item: If you are still using a