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| Section | Objectives |
|---|---|
| Common Network Protocols | - TCP, UDP, IP, HTTP, DNS, SMTP, FTP, and other core protocols - Security risks, vulnerabilities, and mitigation controls - Protocol behavior, characteristics, and normal operation |
| Network Analysis Tools and Usage | - Traffic capture and analysis tools (tcpdump, Wireshark, etc.) - Practical application in investigation and analysis - Command-line and GUI-based forensic utilities |
| Encryption and Encoding Techniques | - Encryption algorithms, usage, and implementation - Attacks against encryption and encoding controls - Common encoding methods and data obfuscation |
| Network Protocol Reverse Engineering | - Identifying malicious or non-standard communications - Extracting structure, behavior, and data from traffic - Tools and methodologies for analyzing unknown or proprietary protocols |
| NetFlow Analysis and Attack Visualization | - Visualization and analysis tools and techniques - NetFlow, IPFIX, and flow data formats - Using flow data to identify anomalies, attacks, and lateral movement |
| Security Event and Incident Logging | - Deployment, aggregation, and retention strategies - Correlating logs to reconstruct events and activity - Log formats, standards, and protocol details |
| Network Architecture and Design | - Network topologies, transmission technologies, and collection points - Design considerations for forensics and evidence collection - Segmentation, filtering, and security architecture principles |
| Wireless Network Analysis | - Wireless protocols, operation, and security risks - Capture, analysis, and interpretation of wireless traffic - Threats, attacks, and forensic investigation methods |
| Open-Source Network Security Proxies | - Log formats, data flow, and forensic value - Benefits, limitations, and security weaknesses - Architecture, deployment, and operational characteristics |
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With the GIAC Network Forensic Analyst (GNFA) GNFA exam, you will have the chance to update your knowledge while obtaining dependable evidence of your proficiency. You can benefit from a number of additional benefits after completing the GIAC Network Forensic Analyst (GNFA) GNFA Certification Exam. But keep in mind that the GNFA certification test is a worthwhile and challenging certificate.
NEW QUESTION # 68
Which approach is most effective for reverse engineering encrypted network protocols?
Response:
Answer: C
NEW QUESTION # 69
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:
Answer: A
NEW QUESTION # 70
Which of the following best describes a NetFlow record?
Response:
Answer: A
NEW QUESTION # 71
A security analyst detects an application sending large volumes of encoded traffic to a remote server over an uncommon port. The analyst suspects data exfiltration. What should be done next?
Response:
Answer: A
NEW QUESTION # 72
Which NetFlow version is most commonly used for advanced traffic analysis in modern networks?
Response:
Answer: C
NEW QUESTION # 73
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