There is a software engineer from UK that has a blog on NI with CLAD style questions posted most days. I found this use preparing for the test recently. Anyone wanting to test their knowledge or brush up on LabVIEW concepts. There are nearly 3 years of posts in the blog.
[https://decibel.ni.com/content/blogs/DailyCLAD | https://decibel.ni.com/content/blogs/DailyCLAD]