GIAC Certified Intrusion Analyst : GCIA Exam

  • Exam Code: GCIA
  • Exam Name: GIAC Certified Intrusion Analyst
  • Updated: May 28, 2026
  • Q & A: 508 Questions and Answers

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About GIAC Certified Intrusion Analyst : GCIA Exam Questions

GCIA Evaluation Structure

As mentioned earlier, the GCIA exam is necessary for obtaining the GIAC Certified Intrusion Analyst certification. Luckily though, this is the only exam necessary for obtaining this designation. When it comes to the structure, the candidates should know that this is a proctored exam. Also, the exam-takers will need to pay a registration fee. Its value is $1,999. As for the number of questions, this validation includes 100 to 150 inquiries. The time allotted for any candidate who takes the GIAC GCIA exam is 240 minutes. During this time, the examinees will need to answer as many questions as possible and obtain a minimum passing score of 68%.

GIAC GCIA Exam Certification Details:

Number of Questions100-150
Schedule ExamPearson VUE
Exam NameGIAC Certified Intrusion Analyst (GCIA)
Sample QuestionsGIAC GCIA Sample Questions
Passing Score68%
Exam CodeGCIA
Duration240 mins
Exam Price$2499 (USD)

Topics Tested in Official Testing

A candidate’s success in the GCIA exam is defined by his/her ability to develop the skills tested for the certification. Therefore, if they want to be successful, exam-takers should demonstrate that they can perform the following tasks:

  • Understanding how the ICMP and UDP protocols work and discerning the main differences between abnormal and normal behavior;
  • Working with TCP/IP models of communications and manage to link-layer operations;
  • Demonstrating the ability to work with IP packet headers, dissect, and analyze each of them for detecting any normal or abnormal values that might cause security problems;
  • Understanding the differences between IPv4 and IPv6 architecture;
  • Understanding how the SiLK tools and others dedicated to traffic analysis work as well as being able to develop flow analysis;
  • Crafting different tcpdump filters for meeting different types of business criteria;
  • Working with IDS concepts and becoming an expert in managing different options related to network architecture and understanding the benefits and weaknesses that the most common IDS systems have;
  • Managing to develop comprehensive rules for IDS architecture for detecting different types of malicious activity;
  • Manipulating and crafting packet engineering features;
  • Analyzing application and network traffic for identifying any malicious or normal behaviors;
  • Demonstrating the ability to using application layer analysis and protocol dissection;
  • Analyzing different types of data collected from various source to form a forensic investigation;
  • Understanding the IDS correlation problems and tuning methods;
  • Performing traffic analysis with the help of Wireshark by using an intermediate level of knowledge.
  • Understanding the TCP protocol and making the difference between the anomalous and typically normal behavior;
  • Understanding how the DNS architecture works and contribute to the development of methods that prevent malicious issues from happening;

Reference: http://www.giac.org/certification/certified-intrusion-analyst-gcia

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