By understanding the format and structure beforehand, you can approach your preparation strategically and confidently tackle any challenges that come your way during the actual examination. Resources for studying and practicing for the exam. Furthermore, having an IT certification can lead to higher earning potential. According to various studies, certified professionals tend to earn more than their non-certified counterparts. This is because certifications validate your skills and make you stand out among other candidates vying for similar positions. Another benefit of obtaining an IT certification is the opportunity for career advancement.