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GIAC GCIA real answers - GIAC Certified Intrusion Analyst

GCIA
  • Exam Code: GCIA
  • Exam Name: GIAC Certified Intrusion Analyst
  • Updated: Jul 14, 2025
  • Q & A: 508 Questions and Answers
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About GIAC GCIA Exam guide

GIAC GCIA Exam Syllabus Topics:

TopicDetails
IDS Fundamentals and Network Architecture- The candidate will demonstrate knowledge of fundamental IDS concepts, such as network architecture options and benefits/weaknesses of common IDS systems.
Application Protocols- The candidate will demonstrate knowledge and skill relating to application layer protocol dissection and analysis.
Packet Engineering- The candidate will demonstrate knowledge relating to packet crafting and manipulation.
Advanced Analysis and Network Forensics- The candidate will demonstrate competence in analyzing data from multiple sources (e.g. full packet capture, netflow, log files) as part of a forensic investigation.
IDS Rules- The candidate will create effective IDS rules to detect varied types of malicious activity.
Network Traffic Analysis- The candidate will demonstrate the ability to analyze network and application traffic to identify both normal and malicious behaviors.
Advanced IDS Concepts- The candidate will demonstrate an understanding of IDS tuning methods and correlation issues.
IPv6- The candidate will demonstrate knowledge of IPv6 and how it differs from IPv4.
UDP and ICMP- The candidate will demonstrate understanding of the UDP and ICMP protocols and the ability to discern between typical and anomalous behavior.
TCP- The candidate will demonstrate understanding of the TCP protocol and the ability to discern between typical and anomalous behavior.
Concepts of TCP/IP and the Link Layer- The candidate will demonstrate understanding of the TCP/IP communications model and link layer operations.
DNS- The candidate will demonstrate an understanding of how DNS works for both legitimate and malicious purposes.
IP Headers- The candidate will demonstrate the ability to dissect IP packet headers and analyze them for normal and anomalous values that may point to security issues.
Silk and Other Traffic Analysis Tools- The candidate will demonstrate an understanding of SiLK and other tools to perform network traffic and flow analysis.
Fragmentation- The candidate will demonstrate understanding of how fragmentation works, and how to identify fragmentation and fragmentation-based attacks in packet captures.
Wireshark Fundamentals- The candidate will demonstrate skill associated with traffic analysis using Wireshark with an intermediate degree of proficiency.
Tcpdump Filters- The candidate will demonstrate ability to craft tcpdump filters that match on given criteria.

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GCIA Certified Professional Salary

  • United States: $88,500
  • India:₹628736
  • Europe:€79795
  • England: £67995

How to book GCIA Exams

In order to apply for the NET, You have to follow these steps

  • Go to the GCIA Official Site
  • Read the instruction Carefully
  • Follow the given steps
  • Apply for the GCIA

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

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