| Exam Code | GSLC |
| Exam Name | GIAC Security Leadership |
| Vendor | GIAC |
| Total Questions | 567 |
| Last Updated | 26-Oct, 2026 |
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Free GSLC Practice Questions
Explore 10 free practice questions for the GIAC GSLC exam and review the answers and explanations to support your preparation.
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Question 1
Single answerYou are responsible for network security at a defense contractor. You are very concerned about sensitive data not getting out of your network. You have specific concerns about employees or contractors sending out files via FTP, or even spyware sending out data. You have blocked and monitored ports (as many as you can) on your firewall, and of course, run an anti spyware package.
Which of the following is another step you should take in preventing sensitive data from being sent out of your network without authorization?
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Option A:Correct
Implement an IDS.
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Option B:Correct
Utilize a DMZ firewall.
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Option C:Correct
Block all employees from emailing outside your network.
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Option D:Correct
Employ network wide anti virus.
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Correct Answer: A
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Question 2
Multiple answersWhich of the following can be used as a countermeasure against the SQL injection attack?
Each correct answer represents a complete solution. Choose two.
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Option A:Correct
mysql_escape_string()
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Option B:Correct
session_regenerate_id()
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Option C:Correct
mysql_real_escape_string()
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Option D:Correct
Prepared statement
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Correct Answer: C, D
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Question 3
Single answerAll of the following are the password cracking attacks performed by the cain tool except for which one?
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Option A:Correct
Brute force attack
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Option B:Correct
Dictionary attack
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Option C:Correct
DoS attack
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Option D:Correct
Rainbow attack
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Correct Answer: C
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Question 4
Multiple answersWhich of the following functions can you use to mitigate a command injection attack?
Each correct answer represents a complete solution. Choose all that apply.
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Option A:Correct
escapeshellcmd()
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Option B:Correct
escapeshellarg()
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Option C:Correct
htmlentities()
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Option D:Correct
strip_tags()
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Correct Answer: A, B
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Question 5
Single answerEvery network device contains a unique built in Media Access Control (MAC) address, which is used to identify the authentic device to
limit the network access. Which of the following addresses is a valid MAC address?
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Option A:Correct
F936.28A1.5BCD.DEFA
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Option B:Correct
1011-0011-1010-1110-1100-0001
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Option C:Correct
132.298.1.23
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Option D:Correct
A3-07-B9-E3-BC-F9
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Correct Answer: D
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Question 6
Multiple answersWhich of the following can be used as a countermeasure against the SQL injection attack?
Each correct answer represents a complete solution. Choose two.
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Option A:Correct
mysql_escape_string()
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Option B:Correct
session_regenerate_id()
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Option C:Correct
mysql_real_escape_string()
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Option D:Correct
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Correct Answer: C, D
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Question 7
Single answerWhich of the following contract types is described in the statement below?
" This contract type provides no incentive for the contractor to control costs and hence is rarely utilized. "
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Option A:Correct
Cost Plus Fixed Fee
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Option B:Correct
Cost Plus Award Fee
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Option C:Correct
Cost Plus Incentive Fee
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Option D:Correct
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Correct Answer: D
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Question 8
Multiple answersWired Equivalent Privacy (WEP) is a security protocol for wireless local area networks (WLANs). It has two components, authentication and encryption. It provides security equivalent to wired networks for wireless networks. WEP encrypts data on a wireless network by using a fixed secret key. Which of the following statements are true about WEP?
Each correct answer represents a complete solution. Choose all that apply.
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Option A:Correct
WEP uses the RC4 encryption algorithm.
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Option B:Correct
Automated tools such as AirSnort are available for discovering WEP keys.
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Option C:Correct
It provides better security than the Wi-Fi Protected Access protocol.
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Option D:Correct
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Correct Answer: A, B, D
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Question 9
Single answerAll of the following are the password cracking attacks performed by the cain tool except for which one?
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Option A:Correct
Brute force attack
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Option B:Correct
Dictionary attack
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Option C:Correct
DoS attack
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Option D:Correct
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Correct Answer: C
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Question 10
Single answerIn which of the following does a Web site store information such as user preferences to provide customized services to users?
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Option A:Correct
Keyword
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Option B:Correct
Cookie
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Option C:Correct
Protocol
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Option D:Correct
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Correct Answer: B
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