At this time, most MuleSoft certification exams for individuals consist of primarily multiple-choice type questions. The duration varies by subject, typically between 90 minutes and 2 hours. Some are administered in a proctored manner via MuleSoft‘s testing partner (Kryterion) and some can be taken from any computer with internet access.
See the catalog of exams on the Kryterion Webassessor site for details on the delivery method(s) of each exam.
We also have extensive details on the proctored format in this article.