To pass the SCA SLES 15 exam, start with a solid understanding of SUSE Linux Enterprise Server 15 core concepts, including system installation, administration, and troubleshooting. Practice using SUSE's documentation and virtual labs to gain hands-on experience. Online resources, mock exams, and targeted study guides tailored for SUSE Certified Administrator (SCA) can help solidify your skills. Focus on essential tasks like managing users, software packages, and file systems. This SCA (SLES 15) Linux certification is a gateway to more advanced SUSE paths, so mastering the basics is key to passing the exam confidently and efficiently.