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GIAC GCIA Exam Questions

Exam Name: GIAC Certified Intrusion Analyst v4
Exam Code: GCIA
Related Certification(s): GIAC Cyber Defense Certification
Certification Provider: GIAC
Actual Exam Duration: 240 Minutes
Number of GCIA practice questions in our database: 509 (updated: Apr. 28, 2025)
Expected GCIA Exam Topics, as suggested by GIAC :
  • Topic 1: Demonstrate an understanding of how DNS works for both legitimate and malicious purposes/ IDS Fundamentals and Network Architecture
  • Topic 2: Demonstrate knowledge relating to packet crafting and manipulation/ Demonstrate understanding of the TCP/IP communications model and link layer operations
  • Topic 3: Demonstrate competence in analyzing data from multiple sources as part of a forensic investigation/ Demonstrate ability to craft tcpdump filters that match on given criteria
  • Topic 4: Demonstrate the ability to analyze network and application traffic to identify both normal and malicious behaviors/ Demonstrate an understanding of IDS tuning methods and correlation issues
  • Topic 5: Demonstrate knowledge and skill relating to application layer protocol dissection and analysis/ How to identify fragmentation and fragmentation-based attacks in packet captures
  • Topic 6: Demonstrate knowledge of fundamental IDS concepts, such as network architecture options/ Demonstrate understanding of how fragmentation works
  • Topic 7: Demonstrate an understanding of SiLK and other tools to perform network traffic and flow analysis/ Create effective IDS rules to detect varied types of malicious activity
  • Topic 8: Demonstrate understanding of the UDP and ICMP protocols and the ability to discern between typical and anomalous behavior/ Advanced Analysis and Network Forensics
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Murray

1 months ago
Network protocol analysis was key. Be prepared to interpret HTTP, DNS, and SMTP traffic. Understanding normal vs. abnormal patterns is essential for spotting threats.
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Patrick

1 months ago
GIAC Certified Intrusion Analyst - mission accomplished! Pass4Success's questions were a perfect match. Saved weeks of study time!
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Aron

2 months ago
The exam included scenarios on social engineering attacks. Study common tactics and how to detect them in logs and network traffic. It's crucial for comprehensive security.
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Tamra

2 months ago
Passed thanks to thorough preparation on cryptography topics. Know different encryption algorithms and their applications in network security. Pass4Success really helped here!
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Adelle

2 months ago
Successfully completed GCIA exam! Pass4Success provided exactly what I needed. Quick and effective preparation!
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Rosendo

2 months ago
Security information and event management (SIEM) concepts were important. Understand log correlation and how to use SIEM tools effectively for threat detection.
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Reuben

3 months ago
The exam tested knowledge of common vulnerabilities and exploits. Study the OWASP Top 10 and be familiar with how attackers exploit these weaknesses.
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Delpha

3 months ago
GCIA certification in the bag! Pass4Success's materials were spot-on. Prepared me thoroughly in record time!
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Melinda

3 months ago
Passed the GIAC Certified Intrusion Analyst exam, thanks to Pass4Success practice questions. A challenging question was about Network Forensics and Traffic Analysis, specifically how to identify malicious traffic patterns. I was unsure about the exact indicators to look for, but I managed to pass.
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Aleisha

3 months ago
Expect questions on network forensics. Practice timeline analysis and know how to extract relevant data from network captures. It's a key skill for intrusion analysts.
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Theola

4 months ago
Wireless network security was covered extensively. Know different Wi-Fi encryption standards and common attack vectors. The Pass4Success materials were spot on for this topic!
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Carmelina

4 months ago
Passed GCIA with flying colors! Pass4Success's exam questions were invaluable. Couldn't have done it so quickly without them!
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Cristina

4 months ago
The exam delved deep into network security architectures. Be familiar with firewall types, VPNs, and DMZ concepts. Understanding their roles in defense-in-depth is crucial.
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Silva

5 months ago
I just passed the GIAC Certified Intrusion Analyst exam, and the Pass4Success practice questions were a big help. One question that puzzled me was about IDS Fundamentals and Network Architecture, particularly the placement of sensors in a network. I wasn't entirely sure where to place them for optimal coverage, but I still succeeded.
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Lillian

5 months ago
Thanks to Pass4Success, I was well-prepared for questions on malware analysis. Study common malware behaviors and indicators of compromise. It really helped me pass!
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Lili

5 months ago
GIAC Certified Intrusion Analyst - check! Pass4Success made it possible with their relevant practice tests. Efficient studying!
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Alpha

5 months ago
Cleared the GIAC Certified Intrusion Analyst exam! The Pass4Success practice questions were very helpful. There was a tough question about Advanced IDS Concepts, specifically about anomaly-based detection versus signature-based detection. I wasn't sure which method was better for zero-day attacks, but I passed anyway.
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Jolene

5 months ago
Incident response procedures were a significant part of the exam. Know the steps of incident handling and be ready to apply them to scenario-based questions.
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Leonora

6 months ago
I passed the GIAC Certified Intrusion Analyst exam, and Pass4Success practice questions were instrumental in my success. One question that caught me off guard was about writing effective Intrusion Detection System Rules. I had to recall the syntax for Snort rules and wasn't completely confident, but I made it through.
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Vashti

6 months ago
Network scanning techniques were heavily tested. Make sure you understand nmap command options and can interpret scan results. It's essential for identifying potential vulnerabilities.
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Sunshine

6 months ago
Aced the GCIA exam today! Pass4Success questions were incredibly similar to the real thing. Grateful for the quick prep!
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Crista

6 months ago
Just got through the GIAC Certified Intrusion Analyst exam, thanks to Pass4Success practice questions. There was a question on the structure of IP headers and the significance of each field. I wasn't entirely sure about the purpose of the 'Time to Live' (TTL) field, but I still did well overall.
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Shaniqua

6 months ago
The exam covered a lot on log analysis. Practice interpreting various log formats, especially firewall and web server logs. Knowing how to spot suspicious activities is key.
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Ludivina

7 months ago
I passed the GIAC Certified Intrusion Analyst exam, and the Pass4Success practice questions were a great resource. One challenging question was about how IP fragmentation works and its impact on network performance. I was unsure about the exact process of reassembling fragmented packets, but I still managed to pass.
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Shayne

7 months ago
Intrusion Detection Systems (IDS) knowledge is crucial. Expect questions on configuring and tuning IDS rules. Understanding Snort rule syntax helped me ace this section.
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Ty

7 months ago
GCIA certification achieved! Pass4Success materials were a game-changer. Prepared me perfectly in no time.
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Erick

7 months ago
Successfully cleared the GIAC Certified Intrusion Analyst exam! The practice questions from Pass4Success were a lifesaver. There was this tricky question about how HTTP and HTTPS differ in terms of security protocols under Application Protocols. I had to think hard about SSL/TLS encryption but wasn't completely confident in my answer.
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Margret

7 months ago
Just passed my GCIA exam! Network protocols were a big focus. Be prepared to analyze packet captures and identify anomalies in TCP/IP traffic. Brush up on your Wireshark skills!
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Lavera

8 months ago
I just passed the GIAC Certified Intrusion Analyst exam, and I have to say, the Pass4Success practice questions were incredibly helpful. One question that stumped me was about the differences between TCP and UDP in the context of TCP/IP and the Link Layer. I wasn't entirely sure how to explain the reliability mechanisms of TCP compared to the connectionless nature of UDP, but I managed to get through it.
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Chuck

8 months ago
Just passed the GIAC Certified Intrusion Analyst exam! Thanks to Pass4Success for the spot-on practice questions. Saved me so much time!
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Deonna

8 months ago
Passing the GIAC Certified Intrusion Analyst exam was a great accomplishment for me, and I couldn't have done it without the help of Pass4Success practice questions. The exam tested my knowledge of DNS, TCP/IP communications model, and link layer operations. One question that I found particularly tricky was about packet crafting and manipulation. Despite my uncertainty, I was able to pass the exam.
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Devon

9 months ago
My experience taking the GIAC Certified Intrusion Analyst exam was challenging but rewarding. Thanks to Pass4Success practice questions, I was able to successfully demonstrate my understanding of DNS and packet manipulation. One question that I remember was about IDS fundamentals and network architecture. Although I had some doubts about my answer, I still managed to pass the exam.
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Andree

10 months ago
Just passed the GIAC Certified Intrusion Analyst exam! Network traffic analysis was a key focus. Expect questions on interpreting packet captures and identifying malicious patterns. Study Wireshark and common attack signatures thoroughly. Thanks to Pass4Success for the spot-on practice questions that helped me prepare quickly!
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Dortha

10 months ago
I recently passed the GIAC Certified Intrusion Analyst exam with the help of Pass4Success practice questions. The exam covered topics such as DNS for both legitimate and malicious purposes, IDS fundamentals, and packet crafting. One question that stood out to me was related to the TCP/IP communications model and link layer operations. I wasn't entirely sure of the answer, but I managed to pass the exam.
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Free GIAC GCIA Exam Actual Questions

Note: Premium Questions for GCIA were last updated On Apr. 28, 2025 (see below)

Question #1

Which of the following intrusion detection systems (IDS) produces the false alarm because of the abnormal behavior of users and network?

Reveal Solution Hide Solution
Correct Answer: D

Question #2

John enters a URL http://www.cisco.com/web/learning in the web browser. A web page appears after he enters the URL. Which of the following protocols is used to resolve www.cisco.com into the correct IP address?

Reveal Solution Hide Solution
Correct Answer: A

Question #3

Which of the following statements are true about an IPv6 network?

Each correct answer represents a complete solution. Choose all that apply.

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Correct Answer: A, B, C, D

Question #4

John works as a professional Ethical Hacker. He has been assigned a project to test the security of www.we-are-secure.com. John wants to redirect all TCP port 80 traffic to UDP port 40, so that he can bypass the firewall of the We-are-secure server. Which of the following tools will John use to accomplish his task?

Reveal Solution Hide Solution
Correct Answer: C

Question #5

Which of the following Web attacks is performed by manipulating codes of programming languages such as SQL, Perl, Java present in the Web pages?

Reveal Solution Hide Solution
Correct Answer: B

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