Exam Name: GIAC Certified Intrusion Analyst
Certification Provider: GIAC
Corresponding Certification: GIAC Information Security
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Updated: Nov 11, 2026
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- Total Questions: 508
- Updated on: Nov 11, 2026
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Curiosity is a good instinct — the free GCIA demos at Prep4away exist so you can satisfy yours completely before paying, examining real sample questions with verified answers from the GIAC Certified Intrusion Analyst bank.
GIAC GCIA Exam Overview:
| Certification Vendor: | GIAC (SANS Institute) |
|---|---|
| Exam Name: | GIAC Certified Intrusion Analyst (GCIA) |
| Exam Number: | GCIA |
| Real Exam Qty: | 106 |
| Passing Score: | 67% |
| Exam Duration: | 240 minutes |
| Certificate Validity Period: | 4 years |
| Exam Price: | $949 USD (standard GIAC certification exam attempt) |
| Exam Format: | Multiple Choice, Proctored, Open Book (Index Allowed) |
| Related Certifications: | GIAC GSEC GIAC GCFA GIAC GCIH |
| Available Languages: | English |
| Sample Questions: | DOWNLOAD DEMO |
| Exam Way: | Online proctored exam (remote) or authorized testing centers (SANS/Thales) |
| Pre Condition: | No mandatory prerequisites. Completion of SANS SEC503 (Intrusion Detection In-Depth) is strongly recommended. |
| Official Syllabus URL: | https://www.giac.org/certifications/certified-intrusion-analyst-gcia/ |
GIAC GCIA Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Network Traffic Analysis | - Traffic flow analysis
|
| Network Security Monitoring | - Monitoring methodologies
|
| Protocol and Attack Analysis | - Common attack traffic patterns
|
| Intrusion Detection Systems (IDS) | - Alert analysis and tuning
|
GIAC Certified Intrusion Analyst Preparation: Focused, Supported, Calm
- Protocol and Attack Analysis ()
- Network Security Monitoring ()
- Network Traffic Analysis ()
GIAC Certified Intrusion Analyst Sample Questions:
For a host to have successful Internet communication, which of the following network protocols are required? You should assume that the users will not manually configure the computer in anyway and that the measure of success will be whether the user can access Web sites after powering the computer and logging on.
Each correct answer represents a complete solution. Choose all that apply.
- A. NTP
- B. DNS
- C. HTTP/HTTPS
- D. DHCP
Correct Answer: B,C,D 🗳️
You work as a Network Administrator for Net Perfect Inc. The company has a Windows Server 2008- based network. You have created a test domain for testing IPv6 addressing. Which of the following types of addresses are supported by IPv6?
Each correct answer represents a complete solution. Choose all that apply.
- A. Unicast
- B. Multicast
- C. Broadcast
- D. Anycast
Correct Answer: A,B,D 🗳️
Which of the following methods is used by forensic investigators to acquire an image over the network in a secure manner?
- A. Secure Authentication for EnCase (SAFE)
- B. EnCase with a hardware write blocker
- C. Linux Live CD
- D. DOS boot disk
Correct Answer: A 🗳️
Which of the following is the process of categorizing attack alerts produced from an IDS in order to distinguish false positives from actual attacks?
- A. Alarm filtering
- B. Site policy
- C. Reactive system
- D. Confidence value
Correct Answer: A 🗳️
Sniffer operates at which layer of the OSI reference model?
- A. Physical
- B. Transport
- C. Data Link
- D. Presentation
Correct Answer: C 🗳️
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