Prepare with GIAC GNFA exam torrent, pass for sure
Updated: Oct 04, 2026
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GIAC GNFA Exam Overview:
| Certification Vendor: | GIAC (SANS Institute) |
|---|---|
| Exam Name: | GIAC Network Forensic Analyst (GNFA) Certification Exam |
| Exam Number: | GNFA |
| Exam Duration: | 120-180 |
| Related Certifications: | GIAC Certified Intrusion Analyst (GCIA) GIAC Certified Forensic Analyst (GCFA) |
| Exam Price: | $949–$979 USD |
| Exam Format: | Proctored, Multiple Choice, Open Book (authorized materials) |
| Available Languages: | English |
| Passing Score: | Approximately 70–73% |
| Certificate Validity Period: | 4 years |
| Real Exam Qty: | 75–85 questions (approx.) |
| Recommended Training: | SANS FOR572: Advanced Network Forensics and Analysis |
| Exam Registration: | SANS Institute Certification Information GIAC Certification Registration |
| Sample Questions: | GIAC GNFA Sample Questions |
| Exam Way: | Online proctored exam (remote delivery via GIAC/SANS platform) |
| Pre Condition: | No mandatory prerequisites. Strongly recommended: networking fundamentals and security analysis experience; SANS FOR572 training is highly recommended. |
| Official Syllabus URL: | https://www.giac.org/certifications/network-forensic-analyst-gnfa/ |
GIAC GNFA Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: Network Protocol Analysis | - Application layer protocols
|
| Topic 2: Network Fundamentals for Forensics | - TCP/IP protocol suite understanding
|
| Topic 3: Incident Response and Reporting | - Reporting and documentation
|
| Topic 4: Network Forensic Investigation | - Incident reconstruction
|
| Topic 5: Network Intrusion Detection and Analysis | - Malicious traffic identification
|
| Topic 6: Packet Capture and Traffic Analysis | - Packet acquisition techniques
|
GIAC Network Forensic Analyst (GNFA) Sample Questions:
Which of the following is a common use case for a reverse proxy?
Response:
- A. Blocking outbound web requests
- B. Bypassing firewall policies
- C. Enhancing security by hiding backend servers
- D. Encrypting internal DNS queries
Correct Answer: C 🗳️
What is a key advantage of using 802.1X authentication for wireless security?
Response:
- A. It prevents rogue access points from appearing
- B. It enables encrypted authentication for each user
- C. It allows access to anyone with a Wi-Fi password
- D. It reduces the need for network segmentation
Correct Answer: B 🗳️
Which of the following best describes a NetFlow record?
Response:
- A. A summary of network communication between hosts
- B. A database of encrypted network payloads
- C. A list of blocked IP addresses in a firewall
- D. A complete capture of all packets in a session
Correct Answer: A 🗳️
Which of the following network protocols is commonly used for email transmission over the internet?
Response:
- A. SNMP
- B. FTP
- C. SMTP
- D. HTTP
Correct Answer: C 🗳️
An organization suspects that an attacker is using a tunneling technique to evade detection. The analyst checks NetFlow records and sees a high number of outbound DNS queries with unusually large payloads. What type of attack is likely occurring?
Response:
- A. Man-in-the-Middle attack
- B. DDoS attack
- C. Ransomware execution
- D. DNS Exfiltration
Correct Answer: D 🗳️
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