IT Glossary
Key Terms To Know In The IT Industry
Network Congestion
A situation where a network node or link is carrying more data than it can handle, causing packet loss and delay.
You will find this term commonly used in Networking, IT Management
Network Controller
A specialized hardware or software used to manage network resources efficiently.
You will find this term commonly used in Networking, IT Management
Network Decomposition
The process of breaking down a complex network into simpler, more manageable parts for analysis or management.
You will find this term commonly used in Networking, IT Management
Network Deployment
The process of rolling out new network infrastructure, services, or applications to a production environment.
You will find this term commonly used in Networking, IT Management
Network Diagram
A network diagram is a visual representation of the components, connections, and interactions within a computer network. It helps network administrators and engineers visualize and understand the network topology, configuration, and dependencies.
You will find this term commonly used in Networking
Network Diameter
A measure of the longest distance between two nodes in a network, which can indicate the network's size and complexity.
You will find this term commonly used in Networking, Network Design
Network Diction
The set of protocols and standards used for communication within a network.
You will find this term commonly used in Networking, Standards
Network Discovery
The process of identifying and mapping devices, resources, and services on a computer network.
You will find this term commonly used in Networking, Security
Network Diversification
The strategy of using multiple network paths and technologies to increase resilience and reduce the risk of network failure.
You will find this term commonly used in Networking, Security
Network Edge
The outermost layer of the network, closest to the end-users, where edge computing devices are located.
You will find this term commonly used in Networking, Edge Computing
Network Emulation
The technique of imitating the behavior of a network under various conditions, used for testing and analysis.
You will find this term commonly used in Networking, Testing
Network Encryption
The process of encoding data transmitted over a computer network to ensure its confidentiality and integrity.
You will find this term commonly used in Security, Cybersecurity
Network Endpoint
Any device or terminal that communicates over a network, such as computers, mobile devices, or IoT devices.
You will find this term commonly used in Networking, Security
Network Enforcer
A security appliance or software that ensures compliance with network policies and regulations by controlling access to the network.
You will find this term commonly used in Networking, Security
Network Engineering
The discipline concerned with designing, implementing, and managing computer networks.
You will find this term commonly used in Networking, IT Management
Network Enumeration
The process of retrieving user names, machine names, network resources, and other services from a network.
You will find this term commonly used in Networking, Security
Network Fabric
The interconnection of network elements and switches that are fully connected to each other.
You will find this term commonly used in Networking, Data Center
Network Fabrication
The process of creating a network topology, often in the context of virtualized or software-defined networking.
You will find this term commonly used in Networking, Network Design
Network Fading
A phenomenon in wireless communications where signal strength decreases due to environmental factors.
You will find this term commonly used in Networking, Wireless Communications
Network Federation
The process of linking together multiple networks or services to function as a single, unified system.
You will find this term commonly used in Networking, Cloud Computing
Network Firewall
A security device or software that monitors and controls incoming and outgoing network traffic based on predetermined security rules.
You will find this term commonly used in Security, Cybersecurity
Network Flow
The sequence of packets from a source to a destination that is identified by a specific path or route.
You will find this term commonly used in Networking, Data Analysis
Network Forensics
Network forensics is the process of investigating and analyzing network traffic, logs, and activities to uncover evidence of security breaches, cyber attacks, or unauthorized activities within a computer network. It helps identify the source and impact of security incidents and support legal proceedings or incident response efforts.
You will find this term commonly used in Cybersecurity
Network Forensics Analysis Tool (NFAT)
Software tools used for capturing, recording, and analyzing network traffic to detect unauthorized access or malicious activity.
You will find this term commonly used in Networking, Security
Network Functions Virtualization
Network functions virtualization (NFV) is a network architecture approach that involves virtualizing networking services traditionally implemented in hardware, such as routers, firewalls, and load balancers, to improve scalability and flexibility.
You will find this term commonly used in Networking, Virtualization
Network Gateway
A network node equipped for interfacing with another network that uses different protocols.
You will find this term commonly used in Networking, Interoperability
Network Health Monitoring
The process of continuously monitoring a network for issues that could affect the performance and availability of network services.
You will find this term commonly used in Networking, IT Management
Network Hierarchy
The layered structure of a network, defining various levels of control, distribution, and access layers.
You will find this term commonly used in Networking, Network Design
Network Hub
A common connection point for devices in a network that uses broadcast to send data to all connected devices.
You will find this term commonly used in Networking, Hardware
Network Identification
The process or the means by which a network device or service is recognized and differentiated from others on a network.
You will find this term commonly used in Networking, Security
Network Infrastructure
The hardware and software components that enable communication, management, and connectivity in a computer network.
You will find this term commonly used in Networking
Network Interface
A network interface is a hardware or software component that enables a device to connect to a network. It provides the necessary physical or logical interface between the device and the network medium, allowing data transmission and reception.
You will find this term commonly used in Networking
Network Interface Card
A network interface card (NIC) is a hardware component that enables a computer to connect to a network, providing the necessary physical and data link layer interfaces for communication.
You will find this term commonly used in Networking, Hardware
Network Interface Card (NIC)
A hardware component that connects a computer or other device to a network, allowing it to send and receive data.
You will find this term commonly used in Networking
Network Jitter
The variation in the time of arrival of packets over a network, which can affect the quality of streaming media and real-time communications.
You will find this term commonly used in Networking, Performance Management
Network Kernel Extension (NKE)
A module that can be loaded into the kernel of an operating system to extend its networking capabilities.
You will find this term commonly used in Networking, Operating Systems
Network Layer
The network layer is the third layer of the OSI model and is responsible for routing packets across different networks to their destination. It determines the best path for data transmission and handles logical addressing and packet forwarding.
You will find this term commonly used in Networking
Network Licensing
A software licensing model that allows users to access software over a network, often based on the number of concurrent users.
You will find this term commonly used in Software Development, Licensing
Network Load Balancing
The process of distributing network traffic across multiple servers or network links to optimize resource utilization, reliability, and responsiveness.
You will find this term commonly used in Networking
Network Management
The administration and maintenance of computer networks to ensure their efficient operation, security, and reliability.
You will find this term commonly used in Networking
Network Management System (NMS)
A set of tools and applications designed for managing, monitoring, and maintaining computer networks.
You will find this term commonly used in Networking, IT Management
Network Mapping
The study of the physical connectivity of networks e.g., internet.
You will find this term commonly used in Networking, Security
Network Mapping Tool
Software used to visualize the layout and connections of a network, aiding in analysis and troubleshooting.
You will find this term commonly used in Networking, IT Management
Network Mashup
The combination of data or functionality from multiple sources over the network to create a new service or application.
You will find this term commonly used in Web Development, APIs
Network Modeling
The process of creating a mathematical model of a network to study its behavior under different scenarios.
You will find this term commonly used in Networking, Analysis
Network Modularization
The design principle of structuring a network into discrete modules to simplify management, enhance scalability, and improve resilience.
You will find this term commonly used in Networking, Design
Network Monitor
Software or hardware that observes and analyzes network traffic for performance evaluation, security monitoring, or troubleshooting.
You will find this term commonly used in Networking, Security
Network Monitoring
The process of observing and analyzing network traffic to ensure optimal performance, security, and availability.
You will find this term commonly used in Networking, Security
Network Operating System (NOS)
A network operating system (NOS) is software that provides the infrastructure and services necessary for computers to communicate and share resources in a network. Examples include Windows Server, Linux, and Novell NetWare.
You will find this term commonly used in Networking
Network Operations Center (NOC)
A centralized location where IT professionals directly support the efforts of remote monitoring and management software.
You will find this term commonly used in Networking, IT Management
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