GSEC Practice Test

Review 279 GSEC practice questions with answer explanations and community insights.

Question 1

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

  1. B, C, and D
  2. A, C, and E
  3. B, D, and E
  4. A, B, and C
  5. Inexpensive to manage

Question 2

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?

  1. RARP
  2. ARP
  3. DNS
  4. RDNS

Question 3

What is the motivation behind SYN/FIN scanning?

  1. The SYN/FIN combination is useful for signaling to certain Trojans.
  2. SYN/FIN packets are commonly used to launch denial of service attacks against BSD hosts.
  3. The crafted SYN/FIN packet sometimes gets past firewalls and filtering routers.
  4. A SYN/FIN packet is used in session hijacking to take over a session.

Question 4

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?

  1. Provides end-to-end data delivery service for user applications
  2. Handles the routing of the data packets over the network
  3. Manages IP addressing and encryption for data packets
  4. Defines the procedures for interfacing with Ethernet devices

Question 5

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

  1. 127.0.0.100
  2. 169.254.1.50
  3. 10.254.1.50
  4. 172.35.1.100