A great tool to use would be www.solidprofessor.com
There are plenty of built-in tutorials for learning the software.
I passed the CSWP after three months of going through the built-in tutorials, so I am sure it is possible to pass the CSWA using that resource.
With the propper training it is 100% possible.
Built-in tutorials and YouTube are great tools to achieve this. There are plenty of YouTube Channels with tutorials that you can take a look at.
No matter what training source you have. What is matter - the fluency with SW. You will have to build a couple of models fast and precise. So focus on exercises. Start exam only if you are ready to build 3D models fast and effective.
Be careful with giving too much weight to techniques you see in youtube videos. Some of them are very good, and some not so much.
You can download the practice exams for the CSWA and several other certifications from the Solidworks web site.
Definitely go through the practice exam so you will have an idea of what is expected.
You should "Understand" the concepts that are being presented and see that you are comfortable with those.
The tests are timed and you should be comfortable doing the practice test is less time.
There are some good suggestions on the forum about how to take the tests (best practices).
One of the best suggestions on these is, before you start trying to answer any questions, first read through ALL questions and figure out the best "Design Intent" to use. Many questions, you will create a part and in later questions you will modify that part. If you design it in a poor way to make those changes you can easily run out of time (the test is timed).
You can search the forum - there are many posts on best practices for the exams.
I found a good guide a while back and if I can find it again I will post a link to it here.