Network
A system that connects devices to communicate and share data
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| Term | Definition |
|---|---|
Network | A system that connects devices to communicate and share data |
Communication | The exchange of information between devices |
Internet | A global network of interconnected networks |
Global Community | People connected worldwide through the internet |
Cloud Computing | Storing and accessing data over the internet instead of local storage |
Host / End Device | Any device connected to a network that sends or receives data |
IP Address | A unique numerical identifier assigned to each device on a network |
Server | A device that provides services such as web email or file storage |
Client | A device or application that requests services from a server |
Client-Server Model | A network structure where clients request and servers respond |
Peer-to-Peer | A network where devices act as both client and server |
Scalability | The ability of a network to grow without losing performance |
Fault Tolerance | The ability of a network to continue working even if a failure occurs |
Quality of Service | A system that prioritizes network traffic for better performance |
Security | Protection of data and network resources from threats |
Confidentiality | Ensures data is only accessed by authorized users |
Integrity | Ensures data is not altered during transmission |
Availability | Ensures data and services are accessible when needed |
Intermediary Device | A device that manages and directs network traffic |
Router | A device that connects different networks and selects the best path for data |
Switch | A device that connects multiple devices within a network |
Network Interface Card | Hardware that connects a device to a network |
Port | A physical or logical connection point on a device |
Interface | A connection point on a router or network device |
Network Media | The medium used to transmit data between devices |
Copper Cable | A network cable that transmits data using electrical signals |
Fiber Optic | A cable that transmits data using light signals |
Wireless Media | Transmission of data using electromagnetic waves |
Electromagnetic Waves | Signals used in wireless communication |
Topology | The layout or arrangement of a network |
Physical Topology | Shows actual device placement and cable connections |
Logical Topology | Shows how data flows in the network |
Local Area Network | A network that covers a small geographic area |
Wide Area Network | A network that covers a large geographic area |
Home Network | A small network used in a house |
SOHO Network | Small office or home office network |
Enterprise Network | A large network used by organizations |
Intranet | A private network used within an organization |
Extranet | A network that allows limited external access to internal resources |
Internet Service Provider | A company that provides internet access |
DSL | Internet connection using telephone lines |
Cable Internet | Internet connection using television cables |
Cellular Network | Wireless network using mobile towers |
Satellite Internet | Internet connection via satellites |
Dial-up | Old slow internet connection using telephone lines |
Leased Line | A dedicated high-speed connection for businesses |
Metro Ethernet | High-speed network covering a metropolitan area |
SDSL | DSL connection with equal upload and download speeds |
Converged Network | A network that carries voice video and data together |
Packet | A small unit of data sent over a network |
Packet Switching | Sending data in small packets through multiple paths |
Circuit Switching | A dedicated communication path between two devices |
Binary | A system using 0s and 1s to represent data |
Patch Panel | A device used to organize and manage network cables |
Keystone Jack | A wall-mounted port for Ethernet connections |
T568A | A wiring standard for Ethernet cables |
T568B | Another wiring standard for Ethernet cables |
Redundancy | Having backup paths or systems for reliability |
Traffic Prioritization | Giving important data higher priority |
Bandwidth | The amount of data that can be transmitted in a network |
Latency | Delay in data transmission |
Throughput | Actual speed of data transfer |
Protocol | A set of rules that govern communication between devices |
Message | The data being transmitted |
Media | The path through which data travels |
Device | Hardware used in networking |
BYOD | A policy allowing personal devices on a network |
Video Communication | Transmission of video over a network |
Collaboration Tools | Applications that allow people to work together online |
Signal Regeneration | Strengthening signals for long-distance transmission |
Path Determination | Choosing the best route for data |
Error Notification | Alerting when data transmission fails |
Data Encapsulation | Wrapping data with necessary information before transmission |
Destination Address | The address where data is sent |
Source Address | The address where data originates |
Network Architecture | The design and structure of a network |
Network Performance | How efficiently a network operates |
Network Security Threat | Anything that can harm or steal network data |
Data Interception | Unauthorized access to data during transmission |
Network Failure | When part of the network stops working |