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GCIA Exam Questions & Answers

GIAC Certified Intrusion Analyst v4  •  GIAC

509 Questions 240 min Updated Sep 2026 99% Pass Rate
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Sample GCIA Questions

Practice with real exam-style questions, each with the verified correct answer and explanation.

Q1 MultipleChoice

The promiscuous mode is a configuration of a network card that makes the card pass all traffic it receives to the central processing unit rather than just packets addressed to it. Which of the following tools works by placing the host system network card into the promiscuous mode?

Correct Answer: D
Q2 MultipleChoice

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?

Correct Answer: C
Q3 MultipleChoice

Which of the following tools performs comprehensive tests against web servers for multiple items, including over 6100 potentially dangerous files/CGIs?

Correct Answer: C
Q4 MultipleChoice

Peter, a malicious hacker, wants to perform an attack. He first compromises computers distributed across the internet and then installs specialized software on these computers. He then instructs the compromised hosts to execute the attack. Every host can then be used to launch its own attack on the target computers. Which of the following attacks is Peter performing?

Correct Answer: B
Q5 MultipleChoice

You work as a Network Security Administrator for NetPerfect Inc. The company has a Windowsbased network. You are incharge of the data and network security of the company. While performing a threat log analysis, you observe that one of the database administrators is pilfering confidential dat

a. What type of threat is this?

Correct Answer: C

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Frequently Asked Questions

There are no formal prerequisites to sit for the GCIA exam, though GIAC recommends having basic networking knowledge and familiarity with intrusion detection concepts. Many candidates complete the Security Essentials (GSEC) certification or take the corresponding GIAC course before attempting GCIA.

The GCIA exam is 3 hours long and consists of 75 multiple-choice questions. You must achieve a score of 71% or higher to pass the examination.

The GCIA v4 exam covers intrusion detection and network security analysis, including network traffic analysis, intrusion detection system (IDS) configuration, log analysis, and incident response. The exam also tests knowledge of attack patterns, protocols, and common vulnerabilities in network environments.

The GCIA exam costs $949 for the standard exam attempt, though prices may vary by region and promotional offers. Some training bundles that include course materials may have different pricing structures.

The GCIA certification is valid for three years from the date you pass the exam. To maintain your certification, you must renew it before expiration by retaking the exam, earning continuing education credits, or pursuing other GIAC certifications.
Exam Details
  • Exam CodeGCIA
  • VendorGIAC
  • Total Questions509
  • Duration240 min
  • LanguageEnglish
  • Last UpdatedSep 6, 2026
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