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| Section | Objectives |
|---|---|
| Topic 1: Open-Source Network Security Proxies | - Log formats, data flow, and forensic value - Architecture, deployment, and operational characteristics - Benefits, limitations, and security weaknesses |
| Topic 2: NetFlow Analysis and Attack Visualization | - NetFlow, IPFIX, and flow data formats - Using flow data to identify anomalies, attacks, and lateral movement - Visualization and analysis tools and techniques |
| Topic 3: Network Analysis Tools and Usage | - Practical application in investigation and analysis - Traffic capture and analysis tools (tcpdump, Wireshark, etc.) - Command-line and GUI-based forensic utilities |
| Topic 4: Network Architecture and Design | - Design considerations for forensics and evidence collection - Segmentation, filtering, and security architecture principles - Network topologies, transmission technologies, and collection points |
| Topic 5: Common Network Protocols | - Security risks, vulnerabilities, and mitigation controls - TCP, UDP, IP, HTTP, DNS, SMTP, FTP, and other core protocols - Protocol behavior, characteristics, and normal operation |
| Topic 6: Encryption and Encoding Techniques | - Attacks against encryption and encoding controls - Common encoding methods and data obfuscation - Encryption algorithms, usage, and implementation |
| Topic 7: Network Protocol Reverse Engineering | - Identifying malicious or non-standard communications - Tools and methodologies for analyzing unknown or proprietary protocols - Extracting structure, behavior, and data from traffic |
| Topic 8: Wireless Network Analysis | - Capture, analysis, and interpretation of wireless traffic - Threats, attacks, and forensic investigation methods - Wireless protocols, operation, and security risks |
| Topic 9: Security Event and Incident Logging | - Deployment, aggregation, and retention strategies - Log formats, standards, and protocol details - Correlating logs to reconstruct events and activity |
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NEW QUESTION # 34
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: D
NEW QUESTION # 35
A security analyst is investigating a suspected data leak. The compromised data is in Base64 format. What does this indicate?
Response:
Answer: B
NEW QUESTION # 36
A company wants to prevent employees from accessing malicious websites while browsing the internet. Which type of proxy would best meet this requirement?
Response:
Answer: A
NEW QUESTION # 37
Which of the following best describes an SIEM (Security Information and Event Management) system?
Response:
Answer: C
NEW QUESTION # 38
What is the primary purpose of NetFlow in network security analysis?
Response:
Answer: B
NEW QUESTION # 39
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