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GIAC GNFA Exam Syllabus Topics:

GIAC Network Forensic Analyst (GNFA) Sample Questions:

Question 1

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:

A. DDoS attack
B. Ransomware execution
C. DNS Exfiltration
D. Man-in-the-Middle attack

Question 2

An organization notices an increase in wireless network congestion and connectivity issues. What steps should be taken to identify potential sources of interference?
Response:

A. Disable WPA2 encryption
B. Conduct a site survey to identify interference sources
C. Increase the power of the access points
D. Implement VLAN segmentation

Question 3

What is the role of dynamic analysis in network protocol reverse engineering?
Response:

A. It inspects logs for forensic investigations
B. It uses brute force attacks to identify weaknesses
C. It involves executing malware to observe its behavior
D. It analyzes live network traffic to understand protocol behavior

Question 4

Which benefits do security proxies provide in enterprise environments?
(Select two.)
Response:

A. Content filtering and malware detection
B. Logging and monitoring network traffic
C. Preventing all phishing attacks
D. Reducing network latency

Question 5

Your company is implementing a Zero Trust network model. Which approach would best align with Zero Trust principles?
Response:

A. Allowing unrestricted lateral movement within the network
B. Granting access based on IP address
C. Requiring continuous authentication and strict access controls
D. Using only perimeter-based firewalls

Solutions: