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GIAC GSEC

GIAC Security Essentials

Verified practice questions with detailed answers, clear explanations, and community discussion.

  • 279

    questions

  • 9 days ago

    last updated

  • 4.8/5

    overall rating

Question 1 of 279

Which of the following are advantages of Network Intrusion Detection Systems (NIDS)?

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Correct answer: C

Network Intrusion Detection Systems (NIDS) offer several advantages. They provide insight into network traffic, allowing for the monitoring of data as it traverses the network, which aids in identifying unusual patterns or suspicious activities (B). They also help in detecting network operations issues, as they can identify performance-related problems and potential vulnerabilities (D). Finally, NIDS systems can be relatively inexpensive to manage compared to other extensive security measures, making them a cost-effective solution for network security (E). Therefore, the correct answers are B, D, and E.

Question 2 of 279

Which of the following protocols is used by a host that knows its own MAC (Media Access Control) address to query a server for its own IP address?

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Correct answer: A

The protocol used by a host that knows its own MAC (Media Access Control) address to query a server for its own IP address is RARP (Reverse Address Resolution Protocol). RARP is specifically designed for this purpose, where the host sends a RARP request to a RARP server, which then responds with the host's IP address. ARP (Address Resolution Protocol) works the other way around, translating an IP address into a MAC address. DNS (Domain Name System) translates domain names into IP addresses, and RDNS (Reverse Domain Name System) translates IP addresses into domain names. Therefore, RARP is the only protocol that matches the given scenario.

Question 3 of 279

What is the motivation behind SYN/FIN scanning?

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Correct answer: C

The crafted SYN/FIN packet sometimes gets past firewalls and filtering routers. SYN/FIN scanning tries to exploit the fact that some firewalls and routers may not properly filter packets with both SYN and FIN flags set, thereby allowing attackers to map out the network and identify open ports.

Community votes

3 votes

CSuggested

100%

Question 4 of 279

There is not universal agreement on the names of the layers in the TCP/IP networking model. Which of the following is one of the functions of the bottom layer which is sometimes called the Network Access or Link Layer?

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Correct answer: D

The bottom layer of the TCP/IP networking model, often called the Network Access or Link Layer, defines the procedures for interfacing with physical network hardware such as Ethernet devices. Its primary function is to manage the direct connections between different network nodes and handle how data is physically transmitted over the network.

Question 5 of 279

Which of the following is a private, RFC 1918 compliant IP address that would be assigned to a DHCP scope on a private LAN?

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Correct answer: C

10.254.1.50 is a private IP address according to the RFC 1918 standards. The RFC 1918 address space includes the following networks: 10.0.0.0 – 10.255.255.255, 172.16.0.0 – 172.31.255.255, and 192.168.0.0 – 192.168.255.255. IP addresses within these ranges are designated for private use and are commonly assigned in private LANs through DHCP. 127.0.0.100 falls within the loopback range, 169.254.1.50 is a link-local address not used for private networks, and 172.35.1.100 falls outside the private range designated for the 172.16.0.0 – 172.31.255.255 network.

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Charles Sirois
Canada
As this was my first certification exam, I was understandably nervous about what to expect. These study materials made the preparation process much easier, and many of the questions closely reflected those on the actual exam.
Lance Chambers
United States
Wasted about a month going through the free dump sites scattered all over reddit, half the answers were wrong and the other half were for a version of the exam that doesn't even exist anymore. Eventually gave in and paid the small fee here, and the difference was night and day.
Alisha Kelly
Italy
Honestly, I had already gone through the official documentation quite thoroughly, but still didn't feel fully confident going in. This helped things finally click for me. I realized I knew the material, but just hadn't connected all the pieces yet.
Casper Claassen
Netherlands
Used this along with Microsoft Learn and the combo worked really well. The practice questions made the stuff I'd read actually stick. Passed first attempt, no complaints from me.
Gabriele Ghesla
Italy
The content is accurate and clearly presented, and it's more affordable than competitors. The team has been incredibly responsive whenever I've had an issue, and they've been open to small changes that improve the platform.
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United Kingdom
I don't usually leave reviews, but this one felt worth sharing. The questions were quite close to what actually appeared on the exam, more than I expected. I spent about a week going through the material before my test, and it helped me feel more prepared.
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Neil Savage
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A very quick response was received via email when a link issue occurred. The study materials provided were high quality and extremely helpful. I was able to complete the test successfully. Many thanks for the excellent support.
Morgan Farmer
United Kingdom
I don't usually leave reviews, but this one felt worth sharing. The questions were quite close to what actually appeared on the exam, more than I expected. I spent about a week going through the material before my test, and it helped me feel more prepared.
Remi Nuyts
United States
Passed ITIL 4 Foundation with 87%. Material was enough by itself.
Archie Hopkins
United States
I had a smooth experience from start to finish. Access was available right away, no technical issues, which made it easy to get started. The content felt relevant and aligned well with what I was looking for.
Nancy Mcbride
United States
Does what it says it does. Content felt solid, nothing confusing to navigate and I didn't run into any weird issues. I been putting off scheduling the exam for a while and going through this gave me enough confidence to finally book it and pass.
Neil Savage
United States
A very quick response was received via email when a link issue occurred. The study materials provided were high quality and extremely helpful. I was able to complete the test successfully. Many thanks for the excellent support.

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