The SDI SD0-101 exam covers a range of essential topics that test your knowledge and skills in the field of information security. One key area is the fundamentals of information security, which includes understanding the CIA triad (confidentiality, integrity, and availability) and the various threats and vulnerabilities that can impact an organization's data. You'll also delve into access control mechanisms, learning about authentication, authorization, and different access control models. Network security is another critical topic, covering network infrastructure, security devices, and protocols like SSL/TLS and IPSec. Web application security is an important focus, where you'll study common vulnerabilities like SQL injection and cross-site scripting (XSS) and learn mitigation strategies. Additionally, the exam assesses your knowledge of security operations, including incident response, security monitoring, and logging. Finally, you'll explore security governance, compliance, and risk management, understanding frameworks like COBIT and NIST, and learning how to conduct risk assessments and develop security policies.