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SANS 401 GSEC EXAM AND ANSWERS
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SANS 401 GSEC EXAM AND ANSWERS
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SANS 401GSEC EXAM
AND ANSWERS
Network Topology - Answers-The Physical/Logical shape of a network
Logical Topology - Answers-Gives the description for the physical layout, shows VLAN's
and where they are placed on the physical topology
Trunk Port - Answers-Connects packets that travel to all VLAN's on a switch
Baseband Systems - Answers-Transmits one signal on the medium (fiber, copper, etc)
Broadband - Answers-Form of multiplexing to join multiple signals on a medium
Ethernet - Answers-Designed as baseband system that can be used in multiplexing
Content Addressable Memory (CAM) - Answers-Is a table that contains the MAC
address and port associated to that MAC Address
Virtual LAN (VLAN) - Answers-Splitting a switch in which certain ports can only talk to
certain ports (Segment networks within a switch)
Multiprotocol Label Switching (MPLS) - Answers-A different way of switching packets
that can be used on a dedicated line
802.1x - Answers-Network Access Control that is a layer 2 authentication (Credentialed
Question of 2FA)
, CSMA/CD - Answers-Carrier Sense Multiple Access/ Collision Detection
Unicast - Answers-Broadcast for a single device
Multicast - Answers-Broadcast for a specific group or multiple devices
Broadcast - Answers-Message for everyone to receive and process
Hub - Answers-Broadcasts packets to every single port
Switch - Answers-Broadcasts packets to device found on a singular port
A security appliance should be set in place when - Answers-There is a change in trust
level in the network
Protocol - Answers-is an agreement or rules of engagement for how computer networks
communicate
OSI Protocol Stack (7) - Answers-Layer 7) Application
Layer 6) Presentation
Layer 5) Session
Layer 4) Transport
Layer 3) Network
Layer 2) Data Link
Layer 1) Physical
Application Layer 7 OSI Stack - Answers-Browsers, FTP, HTTP, SCP
Presentation Layer 6 OSI Stack - Answers-Makes data presentable to the application or
user (ASCII)
Session Layer 5 OSI Stack - Answers-Handles the establishment/maintenance of
connections between systems
Transport Layer 4 OSI Stack - Answers-Determines that application the packet should
be sent to through port numbers (Web on 80,443)
Network Layer 3 OSI Stack - Answers-Moving packets from one network to another
network, uses logical addressing instead of physical addressing
Data Link Layer 2 OSI Stack - Answers-Takes a packet and frames it suitable for
transmission
Physical Layer 1 OSI Stack - Answers-Network cable, electromagnetic radiation
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