Which is the demanding IT certificate?

One of the most demanding IT certifications is the Certified Information Systems Security Professional (CISSP). It is highly regarded in the field of cybersecurity and requires a deep understanding of a wide range of security topics. Candidates must have at least five years of paid work experience in two or more of the eight domains covered by the certification, making it both challenging and prestigious. Other notable certifications include AWS Certified Solutions Architect and Cisco's CCIE, which also demand significant expertise and commitment.