Certification and learning resources for Istio

The primary resource for learning Istio is the Istio website (https://istio.io/latest/). There is elaborative documentation on performing basic to multi-cluster setups. There are resources for beginners and advanced users, and various exercises on performing traffic management, security, observability, extensibility, and policy enforcement. Outside of the Istio documentation, the other organization providing lots of supportive content on Istio is Tetrate (https://tetrate.io/), which also provides labs and certification courses. One such certification provided by Tetrate Academy is Certified Istio Administrator. Details about the course and exam are available at https://academy.tetrate.io/courses/certified-istio-administrator. Tetrate Academy also provides a free course to learn about Istio fundamentals. You can find the details of the course at https://academy.tetrate.io/courses/istio-fundamentals. Similarly, there is a course from Solo...