| Exam Code | GISF |
| Exam Name | GIAC Information Security Fundamentals |
| Vendor | GIAC |
| Total Questions | 451 |
| Last Updated | 26-Oct, 2026 |
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Free GISF Practice Questions
Explore 6 free practice questions for the GIAC GISF exam and review the answers and explanations to support your preparation.
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Question 1
Single answerWhich of the following is a valid IP address for class B Networks?
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Option A:Correct
172.157.88.3
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Option B:Correct
80.33.5.7
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Option C:Correct
212.136.45.8
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Option D:Correct
225.128.98.7
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Correct Answer: A
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Question 2
Single answerYou work as a Network Administrator for Infonet Inc. The company has a Windows Server 2008 domainbased network. The network has three Windows Server 2008 member servers and 150 Windows Vista client computers. According to the company's security policy, you apply Windows firewall setting to the computers on the network. Now, you are troubleshooting a connectivity problem that might be caused by Windows firewall. What will you do to identify connections that Windows firewall allows or blocks?
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Option A:Correct
Configure Network address translation (NAT).
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Option B:Correct
Disable Windows firewall logging.
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Option C:Correct
Configure Internet Protocol Security (IPSec).
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Option D:Correct
Enable Windows firewall logging.
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Correct Answer: D
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Question 3
Single answerWhich of the following techniques are used after a security breach and are intended to limit the extent of any damage caused by the incident?
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Option A:Correct
Corrective controls
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Option B:Correct
Detective controls
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Option C:Correct
Safeguards
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Option D:Correct
Preventive controls
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Correct Answer: A
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Question 4
Single answerYour company is covered under a liability insurance policy, which provides various liability coverage for information security risks, including any physical damage of assets, hacking attacks, etc. Which of the following risk management techniques is your company using?
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Option A:Correct
Risk acceptance
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Option B:Correct
Risk transfer
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Option C:Correct
Risk avoidance
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Option D:Correct
Risk mitigation
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Correct Answer: B
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Question 5
Single answerYou are the security manager of Microliss Inc. Your enterprise uses a wireless network infrastructure with access points ranging 150-350 feet. The employees using the network complain that their passwords and important official information have been traced. You discover the following clues:
The information has proved beneficial to another company.
The other company is located about 340 feet away from your office.
The other company is also using wireless network.
The bandwidth of your network has degraded to a great extent.
Which of the following methods of attack has been used?
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Option A:Correct
A piggybacking attack has been performed.
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Option B:Correct
The information is traced using Bluebugging.
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Option C:Correct
A DOS attack has been performed.
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Option D:Correct
A worm has exported the information.
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Correct Answer: A
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Question 6
Multiple answersWhich of the following statements about Encapsulating Security Payload (ESP) are true?
Each correct answer represents a complete solution. Choose two.
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Option A:Correct
It can also be nested with the Layer Two Tunneling Protocol (L2TP).
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Option B:Correct
It is an IPSec protocol.
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Option C:Correct
It is a text-based communication protocol.
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Option D:Correct
It uses TCP port 22 as the default port and operates at the application layer.
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Correct Answer: A, B
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