CNA (Certified Nursing Assistant) 2 is a class plan that denotes a nursing aide who has a higher level of experience and expertise. These aides regularly have extra certifications and/or at least two to five years of experience over other nursing assistants.
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A Cna is an acronym for computer network attack. Cna is an operation that operates through a data stream in order to deny, destroy disrupt and degrade any information that is in a computer or in a computer network.