All the material is for for getting certification for Google Universal Analytics or GA3, but the material will also help to prepare for GA4. Unfortunately GA4 is very new and very few people are using it.
Udemy:
https://www.udemy.com/share/101YUA3@1ZQpoeanMxxthiBi3TRUePtvhK8jpKedLNfathrLsI_5x8FtERy5aZusAp5R/
This one is excellent resource before the exam
https://www.udemy.com/share/1057WK3@B0vqy8cXKsPzaotyxGtf8OMJUbk6LabDRa9MvahhOqCaaXBprgawEPRvwRFK/
Google Material
https://skillshop.exceedlms.com/student/catalog/list?category_ids=6431-google-analytics-4