The very first step is to understand the difference between a skill and a task. Although there is very fine line or crossover among these two terms. In professional terms, a skill is an expertises that need to be developed and learned while a task is something basic or essential work that need to be performed.
CNA ability check is an essential step you must take before attempting the certification exam and particularly the CNA clinical skills test as it will give you an evaluation of your preparedness for the practical test. You have many options to carry out this reassessment and you may choose the one that suits you the best.