GIAC GNFA Q&A - in .pdf

  • GNFA pdf
  • Exam Code: GNFA
  • Exam Name: GIAC Network Forensic Analyst (GNFA)
  • Updated: Oct 08, 2026
  • Q & A: 97 Questions and Answers
  • Convenient, easy to study.
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  • Exam Code: GNFA
  • Exam Name: GIAC Network Forensic Analyst (GNFA)
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  • Updated: Oct 08, 2026
  • Q & A: 97 Questions and Answers
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GIAC GNFA Q&A - Testing Engine

  • GNFA Testing Engine
  • Exam Code: GNFA
  • Exam Name: GIAC Network Forensic Analyst (GNFA)
  • Updated: Oct 08, 2026
  • Q & A: 97 Questions and Answers
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GNFA Practice Dumps

GIAC GNFA Exam Syllabus Topics:

SectionObjectives
Network Fundamentals for Forensics- Network architecture and traffic flow
  • 1. Client-server communication patterns
    • 2. Network segmentation and visibility
      - TCP/IP protocol suite understanding
      • 1. IP addressing and subnetting
        • 2. TCP vs UDP behavior analysis
          Network Protocol Analysis- Application layer protocols
          • 1. DNS query and response forensics
            • 2. HTTP/HTTPS traffic analysis
              - Transport and session behavior
              • 1. Session reconstruction techniques
                • 2. TLS/SSL inspection concepts
                  Incident Response and Reporting- Reporting and documentation
                  • 1. Technical reporting structure
                    • 2. Executive-level summarization
                      - Response workflow
                      • 1. Network-based investigation integration
                        • 2. Containment and eradication support
                          Packet Capture and Traffic Analysis- Traffic inspection tools
                          • 1. Wireshark analysis workflows
                            • 2. Protocol decoding and inspection
                              - Packet acquisition techniques
                              • 1. PCAP collection best practices
                                • 2. tcpdump usage and filtering
                                  Network Intrusion Detection and Analysis- Malicious traffic identification
                                  • 1. Command and control detection patterns
                                    • 2. Lateral movement indicators
                                      - IDS/IPS interpretation
                                      • 1. Alert triage and validation
                                        • 2. Signature vs anomaly detection
                                          Network Forensic Investigation- Evidence handling
                                          • 1. Data integrity validation
                                            • 2. Chain of custody considerations
                                              - Incident reconstruction
                                              • 1. Attribution and artifact correlation
                                                • 2. Timeline creation from PCAP/logs

                                                  GIAC Network Forensic Analyst (GNFA) Sample Questions:

                                                  Question #1

                                                  An administrator notices unusual traffic patterns where a single workstation is attempting to connect to multiple internal servers within minutes. What should be the first step in investigating this activity?
                                                  Response:

                                                  • A. Review network segmentation policies
                                                  • B. Disable the workstation immediately
                                                  • C. Block all outbound connections from the workstation
                                                  • D. Analyze the NetFlow records and IDS alerts
                                                  Reveal Solution  Discussion  0

                                                  Correct Answer: D  🗳️

                                                  Question #2

                                                  What methods are used to identify the structure of an unknown network protocol?
                                                  (Select two.)
                                                  Response:

                                                  • A. Watching video tutorials
                                                  • B. Static code analysis
                                                  • C. Packet inspection
                                                  • D. Reverse engineering binaries
                                                  Reveal Solution  Discussion  0

                                                  Correct Answer: C,D  🗳️

                                                  Question #3

                                                  Which of the following fields are typically included in a NetFlow record?
                                                  (Select two.)
                                                  Response:

                                                  • A. Application payload
                                                  • B. Encrypted session keys
                                                  • C. Number of packets exchanged
                                                  • D. Source and destination IP addresses
                                                  Reveal Solution  Discussion  0

                                                  Correct Answer: C,D  🗳️

                                                  Question #4

                                                  Which tool is commonly used for analyzing NetFlow data?
                                                  Response:

                                                  • A. nfdump
                                                  • B. Metasploit
                                                  • C. Splunk
                                                  • D. Wireshark
                                                  Reveal Solution  Discussion  0

                                                  Correct Answer: A  🗳️

                                                  Question #5

                                                  Which security measures can help protect against deauthentication attacks?
                                                  (Select two.)
                                                  Response:

                                                  • A. Implementing WPA3
                                                  • B. Using MAC address filtering
                                                  • C. Enabling Management Frame Protection (MFP)
                                                  • D. Disabling SSID broadcasting
                                                  Reveal Solution  Discussion  0

                                                  Correct Answer: A,C  🗳️

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