GSEC GIAC Security Essentials Exam Study Questions and Answers 2024
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GSEC GIAC Security Essentials
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GSEC GIAC Security Essentials
What class is the address 170.19.82.45? -Correct Answer B
In the address ab00:fc87:234a:0090:5120:ffab:bc8a:0098/23, what does the /23 indicate? -Correct Answer The number of bits in the network portion of the address
How many bits are in the NETWORK portion of the following address block:
A...
GSEC GIAC Security Essentials Exam
Study Questions and Answers 2024
What class is the address 170.19.82.45? -Correct Answer ✔B
In the address ab00:fc87:234a:0090:5120:ffab:bc8a:0098/23, what does the /23
indicate? -Correct Answer ✔The number of bits in the network portion of the address
How many bits are in the NETWORK portion of the following address block:
Address: 10.1.0.0
Subnet: 255.255.255.224 -Correct Answer ✔27
Question 4
What can you say about the following packet capture?
14:18:25.906002 apollo.it.luc.edu.1000 > x-terminal.shell: S
1382726990:1382726990(0) win 4096
14:18:26.094731 x-terminal.shell > apollo.it.luc.edu.1000: S
2021824000:2021824000(0) ack 1382726991 win 4096
14:18:26.172394 apollo.it.luc.edu.1000 > x-terminal.shell: R
1382726991:1382726991(0) win 0
14:18:26.507560 apollo.it.luc.edu.999 > x-terminal.shell: S
1382726991:1382726991(0) win 4096
14:18:26.694691 x-terminal.shell > apollo.it.luc.edu.999: S
2021952000:2021952000(0) ack 1382726992 win 4096
14:18:26.775037 apollo.it.luc.edu.999 > x-terminal.shell: R
1382726992:1382726992(0) win 0
14:18:26.775395 apollo.it.luc.edu.999 > x-terminal.shell: R
1382726992:1382726992(0) win 0
14:18:27.174846 x-terminal.shell > apollo.it.luc.edu.998: S
2022080000:2022080000(0) ack 1382726993 win 4096 -Correct Answer ✔This is a
sequence number prediction attack.
In the network 192.168.5.0/23, what would be the broadcast address? -Correct Answer
✔192.168.5.255
If you see the IP address fe80::0050:8790:4554:2300/16, the :: indicates what? -Correct
Answer ✔There are 0s between the ::.
With the following IP header, what is the destination IP address:
45 00 03 3D 1E EB 40 00 40 06 5D E8 C0 A8 01 16 AD C2 4B 67 -Correct Answer
✔173.194.75.103
GSEC GIAC Security Essentials Exam
, GSEC GIAC Security Essentials Exam
What is the order of messages in a three-way handshake? -Correct Answer ✔SYN,
SYN/ACK, ACK
Which utility makes use of ICMP to function? -Correct Answer ✔traceroute
Which of the following is a private address (RFC1918)? -Correct Answer ✔10.45.60.10
When you are deploying an intrusion prevention system on your network, what
is the most important criterion? -Correct Answer ✔It has a low latency
A good example of a network using a mesh topology is: -Correct Answer ✔The Internet
A border router would implement the following security control: -Correct Answer
✔Access control lists to block broad categories of traffic.
You are implementing a star topology on your local network. What cabling are you most
likely to use? -Correct Answer ✔Twisted pair
Your IDS sends an alert about an incident on your network. The alert indicated that
there was a packet that had the same source and destination. This might normally
indicate an attempt at a Land attack, which is a very old attack. After investigating, you
see that the source address is 0.0.0.0 and the destination is 224.0.0.1. What would you
consider this alert to be? -Correct Answer ✔A false positive
These can be big challenges for intrusion detection systems. -Correct Answer
✔Compression and encryption
This type of routing protocol uses the same algorithm as the navigation system in your
car. -Correct Answer ✔Link-state
You would implement an intrusion detection system to perform the following: -Correct
Answer ✔Detect intrusions.
You are seeing a lot of ARP responses with no corresponding ARP request. What are
you most likely seeing? -Correct Answer ✔ARP spoofing
You have been asked to implement a security solution on your network to protect
against employees browsing Facebook during the work day. What would you
implement? -Correct Answer ✔A proxy server
What is the principle of least privilege implemented in? -Correct Answer ✔The sudo
utility
GSEC GIAC Security Essentials Exam
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