SANS 401 GSEC Exam
Comprehensive
Questions (Frequently
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1. Network Topology Answer: The Physical/Logical shape of a network
2. Logical Topology Answer: Gives the description for the physical layout, shows VLAN's and
where they are placed on the physical topology
3. Trunk Port Answer: Connects packets that travel to all VLAN's on a switch
4. Baseband Systems Answer: Transmits one signal on the medium (fiber, copper, etc)
5. Broadband Answer: Form of multiplexing to join multiple signals on a medium
6. Ethernet Answer: Designed as baseband system that can be used in multiplexing
7. CSMA/CD Answer: Carrier Sense Multiple Access/ Collision Detection
8. Unicast Answer: Broadcast for a single device
9. Multicast Answer: Broadcast for a specific group or multiple devices
10. Broadcast Answer: Message for everyone to receive and process
11. Hub Answer: Broadcasts packets to every single port
12. Switch Answer: Broadcasts packets to device found on a singular port
13. Content Addressable Memory (CAM) Answer: Is a table that contains the
MAC address and port associ- ated to that MAC Address
14. Virtual LAN (VLAN) Answer: Splitting a switch in which certain ports can only talk
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to certain ports (Segment networks within a switch)
15. Multiprotocol Label Switching (MPLS) Answer: A ditterent way of switching
packets that can be used on a dedicated line
16. 802.1x Answer: Network Access Control that is a layer 2 authentication (Credentialed
Question of 2FA)
17. A security appliance should be set in place when Answer: There is a
change in trust level in the network
18. Protocol Answer: is an agreement or rules of engagement for how computer networks
communicate
19. OSI Protocol Stack (7) Answer: Layer 7) Application
Layer 6) Presentation
Layer 5) Session
Layer 4) Transport
Layer 3)
Network Layer
2) Data Link
Layer 1)
Physical
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20. Application Layer 7 OSI Stack Answer: Browsers, FTP, HTTP, SCP