GIAC GNFA Valid Q&A - in .pdf

  • GNFA pdf
  • Exam Code: GNFA
  • Exam Name: GIAC Network Forensic Analyst (GNFA)
  • Updated: Sep 05, 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: Sep 05, 2026
  • Q & A: 97 Questions and Answers
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GIAC GNFA Valid Q&A - Testing Engine

  • GNFA Testing Engine
  • Exam Code: GNFA
  • Exam Name: GIAC Network Forensic Analyst (GNFA)
  • Updated: Sep 05, 2026
  • Q & A: 97 Questions and Answers
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GIAC GNFA Exam Syllabus Topics:

SectionObjectives
Topic 1: Network Forensic Investigation- Incident reconstruction
  • 1. Timeline creation from PCAP/logs
    • 2. Attribution and artifact correlation
      - Evidence handling
      • 1. Data integrity validation
        • 2. Chain of custody considerations
          Topic 2: Network Intrusion Detection and Analysis- IDS/IPS interpretation
          • 1. Alert triage and validation
            • 2. Signature vs anomaly detection
              - Malicious traffic identification
              • 1. Lateral movement indicators
                • 2. Command and control detection patterns
                  Topic 3: Incident Response and Reporting- Response workflow
                  • 1. Network-based investigation integration
                    • 2. Containment and eradication support
                      - Reporting and documentation
                      • 1. Technical reporting structure
                        • 2. Executive-level summarization
                          Topic 4: Network Protocol Analysis- Application layer protocols
                          • 1. DNS query and response forensics
                            • 2. HTTP/HTTPS traffic analysis
                              - Transport and session behavior
                              • 1. TLS/SSL inspection concepts
                                • 2. Session reconstruction techniques
                                  Topic 5: Packet Capture and Traffic Analysis- Packet acquisition techniques
                                  • 1. PCAP collection best practices
                                    • 2. tcpdump usage and filtering
                                      - Traffic inspection tools
                                      • 1. Wireshark analysis workflows
                                        • 2. Protocol decoding and inspection
                                          Topic 6: Network Fundamentals for Forensics- TCP/IP protocol suite understanding
                                          • 1. IP addressing and subnetting
                                            • 2. TCP vs UDP behavior analysis
                                              - Network architecture and traffic flow
                                              • 1. Client-server communication patterns
                                                • 2. Network segmentation and visibility

                                                  GIAC Network Forensic Analyst (GNFA) Sample Questions:

                                                  Question 1

                                                  What is a key limitation of NetFlow in network forensics?
                                                  Response:

                                                  A. It does not capture payload data
                                                  B. It only supports TCP-based traffic
                                                  C. It does not log timestamps
                                                  D. It cannot detect encrypted traffic


                                                  Question 2

                                                  Which of the following best describes asymmetric encryption?
                                                  Response:

                                                  A. Uses a predefined lookup table for encoding data
                                                  B. Uses different keys for encryption and decryption
                                                  C. Uses the same key for encryption and decryption
                                                  D. Converts plaintext into a hash that cannot be reversed


                                                  Question 3

                                                  Which of the following is a security risk associated with open Wi-Fi networks?
                                                  Response:

                                                  A. Unauthenticated access
                                                  B. Multi-factor authentication
                                                  C. Encryption key rotation
                                                  D. VLAN segmentation


                                                  Question 4

                                                  Which protocol operates at Layer 3 of the OSI model and is responsible for logical addressing?
                                                  Response:

                                                  A. IP
                                                  B. UDP
                                                  C. TCP
                                                  D. ARP


                                                  Question 5

                                                  Which of the following hashing algorithms is considered weak due to its vulnerability to collisions?
                                                  Response:

                                                  A. AES-256
                                                  B. MD5
                                                  C. RSA-2048
                                                  D. SHA-512


                                                  Solutions:

                                                  Question 1
                                                  Answer: A
                                                  Question 2
                                                  Answer: B
                                                  Question 3
                                                  Answer: A
                                                  Question 4
                                                  Answer: A
                                                  Question 5
                                                  Answer: B

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