SANS 401 GSEC ACTUAL EXAM NEWEST 2026-2027\COMPLETE
QUESTIONS AND CORRECT DETAILED ANSWERS\VERIFIED
100% GRADED A+
Content Addressable Memory (CAM)
Is a table that contains the MAC address and port associated to that
MAC Address
Virtual LAN (VLAN)
Splitting a switch in which certain ports can only talk to certain ports
(Segment networks within a switch)
Multiprotocol Label Switching (MPLS)
A different way of switching packets that can be used on a dedicated line
802.1x
Network Access Control that is a layer 2 authentication (Credentialed
Question of 2FA)
A security appliance should be set in place when
There is a change in trust level in the network
,Protocol
is an agreement or rules of engagement for how computer networks
communicate
OSI Protocol Stack (7)
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
Browsers, FTP, HTTP, SCP
Presentation Layer 6 OSI Stack
Makes data presentable to the application or user (ASCII)
Session Layer 5 OSI Stack
Handles the establishment/maintenance of connections between systems
,Transport Layer 4 OSI Stack
Determines that application the packet should be sent to through port
numbers (Web on 80,443)
Network Layer 3 OSI Stack
Moving packets from one network to another network, uses logical
addressing instead of physical addressing
Data Link Layer 2 OSI Stack
Takes a packet and frames it suitable for transmission
Physical Layer 1 OSI Stack
Network cable, electromagnetic radiation
TCP/IP Protocol Stack (4)
Layer 4) Application
Layer 3) Transport (TCP/UDP)
Layer 2) Internet (IP)
Layer 1) Network
Network Address in: 10.1.2.0/24 Subnet
10.1.2.0
, Broadcast Address in: 10.1.2.0/24 Subnet
10.1.2.255
Class A CIDR Addressing (Mask, IP Range)
N.H.H.H, 255.0.0.0 - 1-127
10.0.0.0/8
16.7 Million IP's
Class B CIDR Addressing (Mask, IP Range)
N.N.H.H, 255.255.0.0 - 128-191
172.16.0.0/16
65,536 IP's
Class C CIDR Addressing (Mask, IP Range)
N.N.N.H, 255.255.255.0 - 192-
223 192.168.1.0/24
256 IP's
Address that broadcasts to current network
255.255.255.255
QUESTIONS AND CORRECT DETAILED ANSWERS\VERIFIED
100% GRADED A+
Content Addressable Memory (CAM)
Is a table that contains the MAC address and port associated to that
MAC Address
Virtual LAN (VLAN)
Splitting a switch in which certain ports can only talk to certain ports
(Segment networks within a switch)
Multiprotocol Label Switching (MPLS)
A different way of switching packets that can be used on a dedicated line
802.1x
Network Access Control that is a layer 2 authentication (Credentialed
Question of 2FA)
A security appliance should be set in place when
There is a change in trust level in the network
,Protocol
is an agreement or rules of engagement for how computer networks
communicate
OSI Protocol Stack (7)
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
Browsers, FTP, HTTP, SCP
Presentation Layer 6 OSI Stack
Makes data presentable to the application or user (ASCII)
Session Layer 5 OSI Stack
Handles the establishment/maintenance of connections between systems
,Transport Layer 4 OSI Stack
Determines that application the packet should be sent to through port
numbers (Web on 80,443)
Network Layer 3 OSI Stack
Moving packets from one network to another network, uses logical
addressing instead of physical addressing
Data Link Layer 2 OSI Stack
Takes a packet and frames it suitable for transmission
Physical Layer 1 OSI Stack
Network cable, electromagnetic radiation
TCP/IP Protocol Stack (4)
Layer 4) Application
Layer 3) Transport (TCP/UDP)
Layer 2) Internet (IP)
Layer 1) Network
Network Address in: 10.1.2.0/24 Subnet
10.1.2.0
, Broadcast Address in: 10.1.2.0/24 Subnet
10.1.2.255
Class A CIDR Addressing (Mask, IP Range)
N.H.H.H, 255.0.0.0 - 1-127
10.0.0.0/8
16.7 Million IP's
Class B CIDR Addressing (Mask, IP Range)
N.N.H.H, 255.255.0.0 - 128-191
172.16.0.0/16
65,536 IP's
Class C CIDR Addressing (Mask, IP Range)
N.N.N.H, 255.255.255.0 - 192-
223 192.168.1.0/24
256 IP's
Address that broadcasts to current network
255.255.255.255
