Network Security Essentials Exam
Questions and Answers 100% Pass
Firewall - ✔✔Monitors and controls network traffic based on security rules
Demilitarized Zone - ✔✔Subnetwork exposing external-facing services to untrusted
networks
LAN - ✔✔Local network access like home/office WiFi
WLAN - ✔✔Wireless local network access like WiFi
MAN - ✔✔Metropolitan network access like city-wide WiFi
WAN - ✔✔Wide area network access like bank branches
Network Segmentation - ✔✔Dividing network into sections like HR, Finance
IP Address - ✔✔Unique string identifying devices on a network
IPv4 - ✔✔Internet Protocol version with 4 billion addresses
IPv6 - ✔✔Internet Protocol version with 340 undecillion addresses
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, External IP Address - ✔✔Used to locate devices across the internet
Internal IP Address - ✔✔Used to locate devices within a private network
Media Access Control (MAC) Address - ✔✔Unique hardware ID for network devices
Network Address Translation (NAT) - ✔✔Remaps IP addresses in transit across
networks
Protocol - ✔✔Agreed format for data transmission between devices
Port Number - ✔✔Identifies specific processes for network messages
Packet - ✔✔Data unit transmitted over networks
Time to Live - ✔✔Message expiration time in network communication
Transmission Control Protocol (TCP) - ✔✔Ensures data delivery and order between
hosts
User Datagram Protocol (UDP) - ✔✔Establishes low-latency connections between
applications
Data Integrity - ✔✔Ensuring data remains unchanged and secure during transit
Cyber Security Risk - ✔✔Probability of loss from a cyber-attack or breach
Assets - ✔✔Valuable resources to protect in an organization
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Questions and Answers 100% Pass
Firewall - ✔✔Monitors and controls network traffic based on security rules
Demilitarized Zone - ✔✔Subnetwork exposing external-facing services to untrusted
networks
LAN - ✔✔Local network access like home/office WiFi
WLAN - ✔✔Wireless local network access like WiFi
MAN - ✔✔Metropolitan network access like city-wide WiFi
WAN - ✔✔Wide area network access like bank branches
Network Segmentation - ✔✔Dividing network into sections like HR, Finance
IP Address - ✔✔Unique string identifying devices on a network
IPv4 - ✔✔Internet Protocol version with 4 billion addresses
IPv6 - ✔✔Internet Protocol version with 340 undecillion addresses
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, External IP Address - ✔✔Used to locate devices across the internet
Internal IP Address - ✔✔Used to locate devices within a private network
Media Access Control (MAC) Address - ✔✔Unique hardware ID for network devices
Network Address Translation (NAT) - ✔✔Remaps IP addresses in transit across
networks
Protocol - ✔✔Agreed format for data transmission between devices
Port Number - ✔✔Identifies specific processes for network messages
Packet - ✔✔Data unit transmitted over networks
Time to Live - ✔✔Message expiration time in network communication
Transmission Control Protocol (TCP) - ✔✔Ensures data delivery and order between
hosts
User Datagram Protocol (UDP) - ✔✔Establishes low-latency connections between
applications
Data Integrity - ✔✔Ensuring data remains unchanged and secure during transit
Cyber Security Risk - ✔✔Probability of loss from a cyber-attack or breach
Assets - ✔✔Valuable resources to protect in an organization
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