CYB FINAL QUESTIONS AND CORRECT ANSWERS
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
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
