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GIAC GNFA

GNFA

Exam Code: GNFA

Exam Name: GIAC Network Forensic Analyst (GNFA)

Updated: May 31, 2026

Q & A: 97 Questions and Answers

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About GIAC GNFA Exam

In recent years, many people choose to take GIAC GNFA certification exam which can make you get the GIAC certificate that is the passport to get a better job and get promotions.

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GIAC Network Forensic Analyst (GNFA) Sample Questions:

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


2. Which protocol is commonly used for network device management and monitoring?
Response:

A) HTTP
B) FTP
C) DHCP
D) SNMP


3. A security analyst observes multiple failed login attempts from the same IP address within a short time. What is the most appropriate action to take?
Response:

A) Ignore the event unless a successful login occurs
B) Delete the logs to free up storage space
C) Investigate the source IP and check for additional related logs
D) Block the IP address immediately


4. A security analyst is tasked with identifying unauthorized devices connecting to a company's Wi-Fi network. What is the best approach to detecting unauthorized connections?
Response:

A) Disabling SSID broadcasting
B) Monitoring MAC addresses in the access point logs
C) Enabling WPA3 authentication
D) Using Nmap to scan open ports


5. Which of the following can be used to detect rogue access points in a wireless network?
Response:

A) Syslog
B) NetFlow
C) Wireshark
D) Wireless Intrusion Detection System (WIDS)


Solutions:

Question # 1
Answer: C
Question # 2
Answer: D
Question # 3
Answer: C
Question # 4
Answer: B
Question # 5
Answer: D

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