The GIAC Certified Intrusion Analyst (GCIA) exam assesses candidates on several crucial domains related to network security. The primary topics include Network Traffic Analysis, which accounts for 30-35% of the exam, focusing on understanding and analyzing data packets, network protocols, and traffic patterns.
Another significant area is Intrusion Detection and Prevention, making up 25-30% of the content, where knowledge about detection methodologies and prevention techniques is essential. Additionally, Incident Response, which covers 20-25%, tests candidates on their ability to respond to security incidents. Lastly, Log Analysis, representing 15-20%, evaluates the skills needed to analyze logs for potential security breaches. Mastering these topics is vital for success on the GCIA exam.