GIAC Penetration Tester

Here you have the best GIAC GPEN practice exam questions

  • You have 385 total questions across 77 pages (5 per page)
  • These questions were last updated on February 28, 2026
  • This site is not affiliated with or endorsed by GIAC.
Question 1 of 385
ACME corporation has decided to setup wireless (IEEE 802.11) network in it's sales branch at Tokyo and found that channels 1, 6, 9,11 are in use by the neighboring offices. Which is the best channel they can use?
Answer

Suggested Answer

The suggested answer is A.

Channels in the IEEE 802.11 wireless networks overlap with their adjacent channels. The non-overlapping channels usually utilized are 1, 6, and 11. Given that channels 1, 6, 9, and 11 are already in use, the best option would be channel 4 as it offers the least interference compared to others. It is far enough from channels 1, 6, and 11 to avoid significant overlap but still might slightly overlap with channel 6. Nonetheless, it presents the least interference among the given options.

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Question 2 of 385
Which Metasploitvncinject stager will allow VNC communications from the attacker to a listening port of the attacker's choosing on the victim machine?
Answer

Suggested Answer

The suggested answer is B.

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Question 3 of 385
What is the MOST important document to obtain before beginning any penetration testing?
Answer

Suggested Answer

The suggested answer is D.

The most important document to obtain before beginning any penetration testing is a written statement of permission. This document serves as legal consent from the organization authorizing the penetration testing activities. It ensures that the testers are legally protected and outlines the boundaries and scope of the testing activities. Without this document, any testing could be considered unauthorized and illegal.

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Question 4 of 385
While reviewing traffic from a tcpdump capture, you notice the following commands being sent from a remote system to one of your web servers:
C:\>sc winternet.host.com create ncservicebinpath- "c:\tools\ncexe -I -p 2222 -e cmd.exe"
C:\>sc vJnternet.host.com query ncservice.
What is the intent of the commands?
Answer

Suggested Answer

The suggested answer is A.

The first command creates a backdoor shell as a service. It uses 'sc' to create a service named 'ncservice' that will run 'ncexe' with parameters to start a listener on TCP port 2222 and execute cmd.exe. The second command queries the status of the created service to ensure it has been set up correctly.

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Question 5 of 385
Which of the following best describes a client side exploit?
Answer

Suggested Answer

The suggested answer is A.

A client side exploit targets a client application that retrieves content from the network. This involves attacking software such as web browsers, email clients, and other applications that connect to the internet, often using malicious content or scripts delivered via email, web pages, or other internet-based means.

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About the GIAC GPEN Certification Exam

About the Exam

The GIAC GPEN (GIAC Penetration Tester) validates your knowledge and skills. Passing demonstrates proficiency and can boost your career prospects in the field.

How to Prepare

Work through all 385 practice questions across 77 pages. Focus on understanding the reasoning behind each answer rather than memorizing responses to be ready for any variation on the real exam.

Why Practice Exams?

Practice exams help you familiarize yourself with the question format, manage your time, and reduce anxiety on the test day. Our GPEN questions are regularly updated to reflect the latest exam objectives.