GIAC GSEC Practice Exam Questions

Name: GSEC
Brand: Pass4exams
SKU: GSEC
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GIAC Security Essentials

Total Questions : 385

Update Date : August 15, 2026

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GIAC GSEC Sample Question Answers

Question # 1

John works as a Network Administrator for Perfect Solutions Inc. The company has aLinux-based network. John is working as a root user on the Linux operating system. He iscurrently working on his C based new traceroute program. Since, many processes arerunning together on the system, he wants to give the highest priority to the cc commandprocess so that he can test his program, remove bugs, and submit it to the office in time.Which of the following commands will John use to give the highest priority to the cccommand process?

A. nice -n 19 cc -c *.c &
B. nice cc -c *.c &
C. nice -n -20 cc -c *.c &
D. nice cc -c *.c

Question # 2

What is the unnoticed theft of sensitive data from a laptop owned by an organization's CEOan example of in information warfare?

A. Non-zero sum game
B. Win-win situation
C. Zero-sum game
D. Symmetric warfare

Question # 3

What type of malware is a self-contained program that has the ability to copy itself withoutparasitically infecting other host code?

A. Trojans
B. Boot infectors
C. Viruses
D. Worms

Question # 4

It is possible to sniff traffic from other hosts on a switched Ethernet network byimpersonating which type of network device?

A. Switch
B. Bridge
C. Hub
D. Router

Question # 5

Your organization has broken its network into several sections/segments, which areseparated by firewalls, ACLs and VLANs. The purpose is to defend segments of thenetwork from potential attacks that originate in a different segment or that attempt to spreadacross segments.This style of defense-in-depth protection is best described as which of the following?

A. Uniform protection
B. Protected enclaves
C. Vector-oriented
D. Information-centric

Question # 6

Which of the following statements about the authentication concept of information securitymanagement is true?

A. It ensures the reliable and timely access to resources.
B. It ensures that modifications are not made to data by unauthorized personnel or processes.
C. It determines the actions and behaviors of a single individual within a system, andidentifies that particular individual.
D. It establishes the users' identity and ensures that the users are who they say they are.

Question # 7

Against policy, employees have installed Peer-to-Peer applications on their workstationsand they are using them over TCP port 80 to download files via the company network fromother Peer-to-Peer users on the Internet. Which of the following describes this threat?

A. Firewall subversion
B. Backdoor installation
C. Malicious software infection
D. Phishing attempt

Question # 8

Which of the following TCP packet flags indicates that host should IMMEDIATELYterminate the connection containing the packet?

A. FIN
B. URG
C. SYN
D. RST

Question # 9

How is a Distributed Denial of Service (DDOS) attack distinguished from a regular DOSattack?

A. DDOS attacks are perpetrated by many distributed hosts.
B. DDOS affects many distributed targets.
C. Regular DOS focuses on a single router.
D. DDOS affects the entire Internet.

Question # 10

Which of the following works at the network layer and hides the local area network IPaddress and topology?

A. Network address translation (NAT)
B. Hub
C. MAC address
D. Network interface card (NIC)