You will have 2 hours and 30 minutes to answer 60 questions correctly. The best practice is to answer the most straightforward questions quickly and save time thinking and answering the difficult ones later. Many times you will notice two are very similar choices. These options confuse you, and if you look closely at the options, you will see slight differences. That minor variations differentiate the correct answer from the wrong one. Be confident of what you learned during your instrument training and pick the correct answer.