GNFA Valid Exam Notes, Exam Sample GNFA Questions

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GIAC GNFA Exam Syllabus Topics:

SectionObjectives
Topic 1: Security Event and Incident Logging- Correlating logs to reconstruct events and activity
- Deployment, aggregation, and retention strategies
- Log formats, standards, and protocol details
Topic 2: 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
Topic 3: Open-Source Network Security Proxies- Benefits, limitations, and security weaknesses
- Architecture, deployment, and operational characteristics
- Log formats, data flow, and forensic value
Topic 4: Network Architecture and Design- Segmentation, filtering, and security architecture principles
- Design considerations for forensics and evidence collection
- Network topologies, transmission technologies, and collection points
Topic 5: Common Network Protocols- Protocol behavior, characteristics, and normal operation
- TCP, UDP, IP, HTTP, DNS, SMTP, FTP, and other core protocols
- Security risks, vulnerabilities, and mitigation controls
Topic 6: Wireless Network Analysis- Wireless protocols, operation, and security risks
- Capture, analysis, and interpretation of wireless traffic
- Threats, attacks, and forensic investigation methods
Topic 7: 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
Topic 8: Encryption and Encoding Techniques- Attacks against encryption and encoding controls
- Common encoding methods and data obfuscation
- Encryption algorithms, usage, and implementation
Topic 9: NetFlow Analysis and Attack Visualization- Visualization and analysis tools and techniques
- Using flow data to identify anomalies, attacks, and lateral movement
- NetFlow, IPFIX, and flow data formats

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GIAC Network Forensic Analyst (GNFA) Sample Questions (Q30-Q35):

NEW QUESTION # 30
What are the benefits of using NetFlow for threat detection?
(Select two.)
Response:

Answer: A,D


NEW QUESTION # 31
Which of the following is an indication of a custom or proprietary network protocol?
Response:

Answer: A


NEW QUESTION # 32
What is the primary security concern associated with HTTP compared to HTTPS?
Response:

Answer: C


NEW QUESTION # 33
Which of the following can be used to detect rogue access points in a wireless network?
Response:

Answer: A


NEW QUESTION # 34
Which of the following log sources would be most useful for detecting brute-force login attempts?
Response:

Answer: C


NEW QUESTION # 35
......

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