I highly recommend you to go through at least one of the practice tests listed here, if you need to choose one, then choose the first one from Udemy or the second one from Whizlabs, both are excellent, up-to-date, and very relevant to the real exam. Also, the AZ-900 exam is the perfect way to prove that you know about Cloud and Azure. You can also put the AZ-900  Azure Certification Dumps...