What Are The Best Ways To Practice For IT Tests?

I am currently trying to prepare for my upcoming certification exam, but taking on extra shifts at my campus student center has left me with very little study time each day. This busy routine makes it hard to review full textbooks, and my test date is coming up quickly. Has anyone in this community found a reliable place to access updated CompTIA Practice Questions to review core topics efficiently and check test readiness? I really need a simple study resource to help me pass my exam smoothly.