Certiport IT Specialist Study Guide
Latest Updated
Internet - ANSWER-Worldwide network of interconnected computers.
Intranet - ANSWER-Private network accessible only to authorized users.
Extranet - ANSWER-Network that allows controlled access to authorized external users
outside of the intranet
Client-server - ANSWER-Computing model where clients request services from servers.
Peer-to-peer - ANSWER-Computing model where devices can act as both clients and
servers.
Unicast - ANSWER-Transmission to a single destination device.
Multicast - ANSWER-Transmission to a group of destination devices.
Broadcast - ANSWER-Transmission to all devices on a network.
IoT - ANSWER-Internet of Things - network of interconnected physical devices.
Computers, Laptops, Smart Phones, Tablets, Servers - ANSWER-Devices included in
the IoT (Internet of Things) and are the physical devices that share data to make up the
internet.
Perimeter networks - ANSWER-Security zones that separate internal and external
networks.
DMZ - ANSWER-Demilitarized Zone - network segment for publicly accessible services.
VLANs - ANSWER-Virtual Local Area Networks - logically segmented LANs.
Wired LAN - ANSWER-Local Area Network using physical cables for connectivity.
Wireless LAN - ANSWER-Local Area Network using wireless signals for connectivity.
DSL - ANSWER-Digital Subscriber Line - high-speed internet connection over
telephone lines.
, Site-to-site - ANSWER-Network connection between two or more geographically
separate locations.
Cable modem - ANSWER-Internet connection provided through cable television
infrastructure.
Satellite - ANSWER-Internet connection provided via satellite communication.
Cellular (3G, 4G, 5G) - ANSWER-Mobile network generations providing wireless
communication.
802.11 - ANSWER-Wireless networking standard commonly known as Wi-Fi.
Bluetooth - ANSWER-Wireless technology for short-range communication between
devices.
WPA - ANSWER-Wi-Fi Protected Access - wireless network security protocol.
WPA2 - ANSWER-Wi-Fi Protected Access 2 - wireless network security protocol.
WEP - ANSWER-Wired Equivalent Privacy - wireless network security protocol.
802.1X - ANSWER-Network access control protocol for authentication and
authorization.
Point-to-point (P2P) wireless - ANSWER-Wireless communication between two devices.
Ad hoc networks - ANSWER-Temporary wireless networks without a central access
point.
Wireless bridging - ANSWER-Connecting two or more wireless networks together.
Wireless interference - ANSWER-Signal disruption caused by other wireless devices or
environmental factors.
Star topology - ANSWER-Network topology where all devices connect to a central hub.
Mesh topology - ANSWER-Network topology where devices are connected to multiple
other devices.
Ring topology - ANSWER-Network topology where devices are connected in a circular
loop.
Bus topology - ANSWER-Network topology where devices are connected to a shared
communication line.
Latest Updated
Internet - ANSWER-Worldwide network of interconnected computers.
Intranet - ANSWER-Private network accessible only to authorized users.
Extranet - ANSWER-Network that allows controlled access to authorized external users
outside of the intranet
Client-server - ANSWER-Computing model where clients request services from servers.
Peer-to-peer - ANSWER-Computing model where devices can act as both clients and
servers.
Unicast - ANSWER-Transmission to a single destination device.
Multicast - ANSWER-Transmission to a group of destination devices.
Broadcast - ANSWER-Transmission to all devices on a network.
IoT - ANSWER-Internet of Things - network of interconnected physical devices.
Computers, Laptops, Smart Phones, Tablets, Servers - ANSWER-Devices included in
the IoT (Internet of Things) and are the physical devices that share data to make up the
internet.
Perimeter networks - ANSWER-Security zones that separate internal and external
networks.
DMZ - ANSWER-Demilitarized Zone - network segment for publicly accessible services.
VLANs - ANSWER-Virtual Local Area Networks - logically segmented LANs.
Wired LAN - ANSWER-Local Area Network using physical cables for connectivity.
Wireless LAN - ANSWER-Local Area Network using wireless signals for connectivity.
DSL - ANSWER-Digital Subscriber Line - high-speed internet connection over
telephone lines.
, Site-to-site - ANSWER-Network connection between two or more geographically
separate locations.
Cable modem - ANSWER-Internet connection provided through cable television
infrastructure.
Satellite - ANSWER-Internet connection provided via satellite communication.
Cellular (3G, 4G, 5G) - ANSWER-Mobile network generations providing wireless
communication.
802.11 - ANSWER-Wireless networking standard commonly known as Wi-Fi.
Bluetooth - ANSWER-Wireless technology for short-range communication between
devices.
WPA - ANSWER-Wi-Fi Protected Access - wireless network security protocol.
WPA2 - ANSWER-Wi-Fi Protected Access 2 - wireless network security protocol.
WEP - ANSWER-Wired Equivalent Privacy - wireless network security protocol.
802.1X - ANSWER-Network access control protocol for authentication and
authorization.
Point-to-point (P2P) wireless - ANSWER-Wireless communication between two devices.
Ad hoc networks - ANSWER-Temporary wireless networks without a central access
point.
Wireless bridging - ANSWER-Connecting two or more wireless networks together.
Wireless interference - ANSWER-Signal disruption caused by other wireless devices or
environmental factors.
Star topology - ANSWER-Network topology where all devices connect to a central hub.
Mesh topology - ANSWER-Network topology where devices are connected to multiple
other devices.
Ring topology - ANSWER-Network topology where devices are connected in a circular
loop.
Bus topology - ANSWER-Network topology where devices are connected to a shared
communication line.
