Using the Platform App Builder exam study guide
Salesforce provides a study guide for the Salesforce Certified Platform App Builder exam, which gives you a good summary of the purpose of the exam and some guidelines on what topics to be familiar with. You should refer to the study guide as it contains the latest information about the number of questions, topics, and so on, as these can change over time.
The exam guide is particularly useful as it outlines the features and functions that a candidate with hands-on experience would need to demonstrate in order to pass. The exam guide also shows the weighting of the features and functions that are applied to the Salesforce Platform App Builder exam. By looking at the weighting, it is possible to determine the approximate number of questions that may appear, to help you focus on the topics with the greatest number of questions.
Trailhead: Salesforce Certified Platform App Builder exam guide
The Salesforce Certified Platform App...