CYB Final Exam Questions with Correct Answers Latest Update 2025-2026
Computer Network - Answers Is a collection of computers and devices that are connected
toeach other via a wired or wireless communication channel(medium) to allow communication
and data exchange to takeplace.
Node/Terminal - Answers computer that is incorporated in a network
IP Address - Answers An IP address is a unique numerical identifier that is assigned toevery
device on a network. IP addresses are used to identify devices andenable communication
between them
Protocol - Answers A protocol is a set of rules and standards that govern how data
istransmitted over a network. Examples of protocols include TCP/IP, HTTP, andFTP.
Internet - Answers The internet is a global network of interconnected computers and networks
World Wide Web - Answers collection ofdifferent websites you can access through the Internet
Wide Area Network - Answers Connect systems over a large geographic area
Local Area Network - Answers Provide network connectivity for computers located in the same
geographic area
Router - Answers networking device that forwards datapackets between networks
What do LAN networks need to connect to each other? - Answers Hubs and Switches
Do systems on the same LAN Protect themselves from each other - Answers No, if malware
infects one system and the others do not protect themselves malware spreads quickly
Switch - Answers network device that is used to segment the networks into different
subnetworks called subnets or LAN segments
What does a switch base its forwarding and filtering packets between Lan Segments - Answers
MAC Address
Mac Address - Answers are unique 48-bit hardware numbers of a computer that are embedded
into a network card
Another name for MAC Address - Answers Physical Address of Network Device
Hubs - Answers Contain a number of plugs, or ports, where you can connect Ethernet cablesfor
different network systems
What does a Hub forward - Answers All incoming packets to all ports
What knows the MAC address of the system connected to each port - Answers Switches
, When a switch receives a packet, what does it look for and where does it send the packet -
Answers The destination MAC address and only to the port where the destination system
resideds
Benefit of virtual Lan - Answers Give administrators the ability to separate network segments
without having tophysically separate the network cabling, Can be used to isolate logical groups
of devices to reduce network traffic andincrease security
What are the two main protocals that make up all modern networks - Answers Transmission
Control Protocol (TCP) and Internet Protocal (IP)
Internet Protocal - Answers responsible for routing informationacross networks
4 Layers of TCP/IP - Answers Application, Transport, Internet andNetwork Interface
TCP/IP Application Layer - Answers Allow Access to Network Resources
TCP/IP Transport Layer - Answers Provide Reliable Process to proccess message delivery and
error delivery
TCP/IP Internet Layer - Answers Move Packets from source to destination
Network Interface - Answers Transmission between two devices on same network
How many IP Address are in every network communication - Answers 2, Source Address and
Destination Address
Source address - Answers System Sending Info
Destination Address - Answers System Receving info
Network Secuirty - Answers safeguarding the networkinfrastructure against unauthorized
access, misuse, or theft
What is the process of Network Secuirty - Answers creating a secure infrastructure thatensures
that devices, applications, users, and applicationswork in a secure manner
5 Network Secuirty Risks - Answers Reconnaissance, Eavesdropping, DoS, DDoS, TDoS
Reconnaissance - Answers act of gathering information about a network for use in a future
attack
Eavesdropping - Answers attacker taps the data cable to see all data passing through it
DoS - Answers Flooding a network with traffic and shutting down a single point of failur
DDoS - Answers multiple compromised systems to flood the network from many different
directions
Computer Network - Answers Is a collection of computers and devices that are connected
toeach other via a wired or wireless communication channel(medium) to allow communication
and data exchange to takeplace.
Node/Terminal - Answers computer that is incorporated in a network
IP Address - Answers An IP address is a unique numerical identifier that is assigned toevery
device on a network. IP addresses are used to identify devices andenable communication
between them
Protocol - Answers A protocol is a set of rules and standards that govern how data
istransmitted over a network. Examples of protocols include TCP/IP, HTTP, andFTP.
Internet - Answers The internet is a global network of interconnected computers and networks
World Wide Web - Answers collection ofdifferent websites you can access through the Internet
Wide Area Network - Answers Connect systems over a large geographic area
Local Area Network - Answers Provide network connectivity for computers located in the same
geographic area
Router - Answers networking device that forwards datapackets between networks
What do LAN networks need to connect to each other? - Answers Hubs and Switches
Do systems on the same LAN Protect themselves from each other - Answers No, if malware
infects one system and the others do not protect themselves malware spreads quickly
Switch - Answers network device that is used to segment the networks into different
subnetworks called subnets or LAN segments
What does a switch base its forwarding and filtering packets between Lan Segments - Answers
MAC Address
Mac Address - Answers are unique 48-bit hardware numbers of a computer that are embedded
into a network card
Another name for MAC Address - Answers Physical Address of Network Device
Hubs - Answers Contain a number of plugs, or ports, where you can connect Ethernet cablesfor
different network systems
What does a Hub forward - Answers All incoming packets to all ports
What knows the MAC address of the system connected to each port - Answers Switches
, When a switch receives a packet, what does it look for and where does it send the packet -
Answers The destination MAC address and only to the port where the destination system
resideds
Benefit of virtual Lan - Answers Give administrators the ability to separate network segments
without having tophysically separate the network cabling, Can be used to isolate logical groups
of devices to reduce network traffic andincrease security
What are the two main protocals that make up all modern networks - Answers Transmission
Control Protocol (TCP) and Internet Protocal (IP)
Internet Protocal - Answers responsible for routing informationacross networks
4 Layers of TCP/IP - Answers Application, Transport, Internet andNetwork Interface
TCP/IP Application Layer - Answers Allow Access to Network Resources
TCP/IP Transport Layer - Answers Provide Reliable Process to proccess message delivery and
error delivery
TCP/IP Internet Layer - Answers Move Packets from source to destination
Network Interface - Answers Transmission between two devices on same network
How many IP Address are in every network communication - Answers 2, Source Address and
Destination Address
Source address - Answers System Sending Info
Destination Address - Answers System Receving info
Network Secuirty - Answers safeguarding the networkinfrastructure against unauthorized
access, misuse, or theft
What is the process of Network Secuirty - Answers creating a secure infrastructure thatensures
that devices, applications, users, and applicationswork in a secure manner
5 Network Secuirty Risks - Answers Reconnaissance, Eavesdropping, DoS, DDoS, TDoS
Reconnaissance - Answers act of gathering information about a network for use in a future
attack
Eavesdropping - Answers attacker taps the data cable to see all data passing through it
DoS - Answers Flooding a network with traffic and shutting down a single point of failur
DDoS - Answers multiple compromised systems to flood the network from many different
directions
