Proficiencies are special because they represent a mastery of a particular skill or knowledge area. This type of mastery is often associated with a level of expertise, as someone who has achieved proficiency in a certain area is expected to be an expert in that field. Proficiencies are important for professionals, as they can demonstrate a depth and breadth of knowledge in a particular area that is often necessary for success. Furthermore, it can serve as a reflection of a person’s dedication to a particular field, as many different proficiency exams require extensive study and practice before someone can become certified. This allows employers to gauge potential candidates based on their knowledge level of a certain field or technology. Finally, proficiencies provide a means of validation for an individual’s skills and knowledge. It allows someone to validate their skills and knowledge through a third-party source and demonstrate that they have achieved mastery in a particular area. As such, obtaining different proficiencies are important for any professional looking to advance in their respective field.