The AZ-400 exam consists of multiple-choice questions, case studies, and performance-based tasks. The exam typically includes around 40-60 questions, which test both theoretical knowledge and practical skills in Azure DevOps practices. The total duration for the exam is about 180 minutes.

The AZ-400 certification does not have an expiration date; however, Microsoft recommends renewing your certification every two years to stay updated with the latest Azure features and best practices. This can be done through a renewal exam or by earning a qualifying certification.

Gaining hands-on experience is crucial for success in the AZ-400 exam. You can practice by setting up a free Azure account, which provides access to a range of services. Additionally, working on real-world projects, collaborating with teams using Azure DevOps tools, or participating in online labs and workshops can enhance your practical skills.

Pursuing the AZ-400 training can significantly enhance your career prospects, especially if you work in software development or IT operations. The certification demonstrates your proficiency in implementing DevOps practices and using Azure tools, making you a valuable asset to employers looking to improve their development and deployment processes.