GSEC PRACTICE TEST 2026 QUESTIONS
WITH ANSWERS GRADED A+
●● Routers.
Answer: Devices that connect networks to networks.
●● Switches.
Answer: Devices that connect systems to form a network.
●● Threat Enumeration.
Answer: "Threat Intelligence" - Understanding TTP: Tactics (high level),
Techniques, and Procedures of adversaries.
●● APT.
Answer: Advanced Persistent Threat - Nation state attackers operating
under the authority of a government.
●● Threat Agent.
Answer: Individual, organization, or group capable and motivated to
launch attacks.
●● Denial of Service.
,Answer: Impact on a service where the device is being denied.
●● Distributed Denial of Service.
Answer: Similar to DoS but from a large quantity of sources.
●● Machine in the Middle.
Answer: Communication transiting through an untrusted third party.
●● Packet Sniffing.
Answer: The capture and analysis of network traffic.
●● CDP.
Answer: Cisco Discovery Protocol - Aids devices in discovering other
devices on the network.
●● MAC Flooding.
Answer: Floods the MAC table on a switch with fake MAC addresses,
potentially causing a switch to downgrade to a HUB.
●● DHCP Manipulation.
Answer: Attacker responds to DHCP requests before the legitimate
DHCP server, potentially gaining control over network configuration.
, ●● STP Manipulation.
Answer: Switch reconfiguration causing a switch loop.
●● VLAN Hopping.
Answer: Network segmentation technique that is not secure until ACL is
used.
●● Physical Topology.
Answer: The physical interrelationship of network components.
●● Logical Topology.
Answer: Describes how network communication occurs.
●● SDN.
Answer: Software-Defined Networking - Virtualization concept.
●● 802.1X.
Answer: Authentication prior to granting network access, providing the
least access needed.
●● Demilitarized Zone.
Answer: Semi-Public Tier - Hosting web, email, and DNS servers
visible from the internet.
WITH ANSWERS GRADED A+
●● Routers.
Answer: Devices that connect networks to networks.
●● Switches.
Answer: Devices that connect systems to form a network.
●● Threat Enumeration.
Answer: "Threat Intelligence" - Understanding TTP: Tactics (high level),
Techniques, and Procedures of adversaries.
●● APT.
Answer: Advanced Persistent Threat - Nation state attackers operating
under the authority of a government.
●● Threat Agent.
Answer: Individual, organization, or group capable and motivated to
launch attacks.
●● Denial of Service.
,Answer: Impact on a service where the device is being denied.
●● Distributed Denial of Service.
Answer: Similar to DoS but from a large quantity of sources.
●● Machine in the Middle.
Answer: Communication transiting through an untrusted third party.
●● Packet Sniffing.
Answer: The capture and analysis of network traffic.
●● CDP.
Answer: Cisco Discovery Protocol - Aids devices in discovering other
devices on the network.
●● MAC Flooding.
Answer: Floods the MAC table on a switch with fake MAC addresses,
potentially causing a switch to downgrade to a HUB.
●● DHCP Manipulation.
Answer: Attacker responds to DHCP requests before the legitimate
DHCP server, potentially gaining control over network configuration.
, ●● STP Manipulation.
Answer: Switch reconfiguration causing a switch loop.
●● VLAN Hopping.
Answer: Network segmentation technique that is not secure until ACL is
used.
●● Physical Topology.
Answer: The physical interrelationship of network components.
●● Logical Topology.
Answer: Describes how network communication occurs.
●● SDN.
Answer: Software-Defined Networking - Virtualization concept.
●● 802.1X.
Answer: Authentication prior to granting network access, providing the
least access needed.
●● Demilitarized Zone.
Answer: Semi-Public Tier - Hosting web, email, and DNS servers
visible from the internet.
