GCP Professional Cloud Architect certification is very tricky and challenging. The overall experience of attempting a challenging certification is you get to learn real-world scenarios in which you design an optimal solution for a problem.
https://www.udemy.com/share/104qEo2@PkdgV0tbTFAJcUNCBXZNfT0=/
https://www.udemy.com/share/104qEo2@PkdgV0tbTFAJcUNCBXZNfT0=/