Hardly, one of the main aspects of becoming registered is the understanding of the regulations and how they effect the way you install. We all had to learn at some point and for many of us we are still learning.
When I, and many members of this forum started out we had no instruction other than that in the work place, understanding of the regulations came slow and hard. Forums are a good source of information, but being told what to do does not teach you why.
I urge anyone to look up the regulations in order to fully understand what you are being told or instructed.
If we take your example for instance we have to think about A, the best way,B, the acceptable way, C a convenient way. Each should be judged on merit as complying with the regulations, not how it is installed in preference to any other. Just because I would do it one way, does not mean another is wrong. Your assessor will want to know why you have done it the way you did, if you can give a suitable answer he cannot condemn the way you have done it, he would have to acknowledge your understanding of the regulations and the way you have interpreted them to suit the install in question.Any hiccup in your understanding will demand further questions that may make you feel uncomfortable and show your lack of understanding.
That is why it is good to read the regulations when you do not fully understand a particular point. You do not need to memorise them just know where to find them when needed.