IT Glossary – ITU Online IT Training
Ready to start learning?Individual Plans →Team Plans →

IT Glossary

Showing terms starting with NETWORK (181 terms)

Network Quality of Service (QoS)

Policies and technologies to control traffic and ensure the performance of critical applications by managing bandwidth, delay, jitter, and packet loss.

Commonly used in Networking, Performance Management

Read the full definition

Network Query

A request for information from the network, typically involving retrieval of data or status information about network resources or services.

Commonly used in Networking, Data Communication

Read the full definition

Network Query Language (NQL)

A specialized query language for managing, updating, and retrieving data from a network-oriented database.

Commonly used in Networking, Data Management

Read the full definition

Network Reconstruction

The process of rebuilding network infrastructure and services after a failure or disaster to restore normal operations.

Commonly used in Networking, Disaster Recovery

Read the full definition

Network Redundancy

Network redundancy is the duplication of critical network components, connections, or pathways to ensure continuous operation and fault tolerance in case of component failures or network disruptions. It helps improve reliability and availability of network services.

Commonly used in Networking

Read the full definition

Network Refactoring

The process of restructuring existing network architecture without changing its external behavior, to improve internal structure, efficiency, or manageability.

Commonly used in Networking, Design

Read the full definition

Network Registration

The process by which devices or users are recognized and authorized to access network resources, often involving authentication and allocation of network addresses or resources.

Commonly used in Networking, Security

Read the full definition

Network Reliability

The ability of a network to perform its required functions under stated conditions for a specified period of time without failure.

Commonly used in Networking, Reliability

Read the full definition

Network Replication

The process of copying data or services from one network location to another to ensure data consistency and availability across multiple sites.

Commonly used in Networking, Data Management

Read the full definition

Network Resilience

The ability of a network to maintain acceptable levels of service in the face of faults and challenges to normal operation.

Commonly used in Networking, Reliability

Read the full definition

Network Resource Allocation

The process of distributing network resources (such as bandwidth, IP addresses) among users or applications according to a certain policy or requirement.

Commonly used in Networking, Performance Management

Read the full definition

Network Response Time

The amount of time it takes for a network to respond to a request, including the time it takes for data to travel from the source to the destination and back.

Commonly used in Networking, Performance Management

Read the full definition

Network Restoration

The process of returning a network or service to its original or operational state after a disruption or failure.

Commonly used in Networking, Disaster Recovery

Read the full definition

Network Retransmission

The process of sending data again across a network, typically because the original transmission was lost, corrupted, or acknowledged as received incorrectly.

Commonly used in Networking, Data Communication

Read the full definition

Network Routing

The process of selecting paths in a network along which to send network traffic, based on routing protocols and algorithms.

Commonly used in Networking, Data Communication

Read the full definition

Network Routing Protocol

A protocol that specifies how routers communicate with each other, disseminating information that enables them to select routes between any two nodes on a computer network.

Commonly used in Networking, Protocols

Read the full definition

Network Scalability

The ability of a network to handle a growing amount of work, or its potential to accommodate growth in demand for network resources.

Commonly used in Networking, Design

Read the full definition

Network Scan

The process of identifying active devices on a network and their characteristics, such as open ports and running services, often used for security assessment or network management.

Commonly used in Networking, Security

Read the full definition

Network Scheduler

A component that manages the distribution of network traffic across various resources according to a specific scheduling algorithm.

Commonly used in Networking, Performance Management

Read the full definition

Network Schema

A logical blueprint or model that represents the organization, configuration, and relationships of network resources and services.

Commonly used in Networking, Design

Read the full definition

Network Security

Measures taken to protect a computer network from unauthorized access, misuse, or modification.

Commonly used in Security, Cybersecurity

Read the full definition

Network Security Architecture

Network security architecture refers to the design and implementation of security controls, mechanisms, and policies to protect computer networks from unauthorized access, data breaches, and cyber threats. It encompasses technologies such as firewalls, intrusion detection systems, and encryption protocols.

Commonly used in Networking, Security, Cybersecurity

Read the full definition

Network Security Assessment

Network security assessment is the evaluation of an organization’s network infrastructure, policies, and procedures to identify vulnerabilities, assess risks, and recommend security controls. It helps improve the overall security posture and compliance with regulations.

Commonly used in Security, Cybersecurity

Read the full definition

Network Security Audit

A network security audit is a systematic evaluation of an organization’s computer network infrastructure, policies, and practices to assess security vulnerabilities, compliance with regulatory standards, and adherence to best practices. It helps identify weaknesses and improve overall security posture.

Commonly used in Security, Cybersecurity

Read the full definition

Network Security Controls

Network security controls are measures and mechanisms implemented within a computer network to protect against security threats, vulnerabilities, and attacks. They include technologies such as firewalls, intrusion detection systems, access control lists, and encryption protocols.

Commonly used in Security, Cybersecurity

Read the full definition

Network Security Incident

A network security incident is any adverse event or occurrence within a computer network that poses a threat to the confidentiality, integrity, or availability of data or resources. Examples include unauthorized access, malware infections, and denial-of-service attacks.

Commonly used in Security, Cybersecurity

Read the full definition

Network Security Key

A network security key, also known as a Wi-Fi password or passphrase, is a cryptographic key used to authenticate and secure access to a wireless network. It prevents unauthorized users from connecting to the network and protects data transmitted over the network.

Commonly used in Security, Networking

Read the full definition

Network Security Policy

A network security policy is a set of rules, guidelines, and procedures established to govern the use, configuration, and management of security controls within a computer network. It defines the security posture and requirements of an organization’s network.

Commonly used in Security, Cybersecurity

Read the full definition

Network Security Threat

A network security threat is any potential danger or risk that could compromise the confidentiality, integrity, or availability of data or resources within a computer network. Common threats include malware, phishing attacks, DDoS attacks, and insider threats.

Commonly used in Security, Cybersecurity

Read the full definition

Network Segmentation

The practice of dividing a computer network into smaller subnetworks to improve performance, security, and manageability.

Commonly used in Networking, Security

Read the full definition

Network Segmentation Strategy

Network segmentation strategy is a plan or approach for dividing a computer network into smaller, isolated segments to improve security, performance, and manageability. It involves defining segmentation criteria, implementing controls, and monitoring traffic between segments.

Commonly used in Networking, Security

Read the full definition

Network Segregation

The practice of separating network traffic into different segments based on criteria like function, security level, or user group, to enhance security and performance.

Commonly used in Networking, Security

Read the full definition

Network Service Provider (NSP)

A company that provides backbone services to an Internet service provider (ISP), the company that most web users use for access to the Internet.

Commonly used in Networking, Internet Services

Read the full definition

Network Session

A semi-permanent interactive information interchange between two or more devices, or between a computer and user (see session).

Commonly used in Networking, Data Communication

Read the full definition

Network Simulation

The technique of using a computer model to predict the behavior of a network, typically for research, design, and planning purposes.

Commonly used in Networking, Analysis

Read the full definition

Network Simulator

A network simulator is a software tool used to simulate the behavior and performance of computer networks. It allows network engineers and researchers to model and analyze network protocols, configurations, and scenarios in a controlled environment.

Commonly used in Networking

Read the full definition

Network Slice

A concept in 5G networks where the network can create multiple virtual networks on top of a shared physical infrastructure.

Commonly used in Networking, Telecommunications

Read the full definition

Network Slicing

A form of network virtualization that allows multiple virtual networks to be created on top of a common physical infrastructure, each with its own unique set of resources and policies.

Commonly used in Networking, 5G Technology

Read the full definition

Network Sniffer

A software or hardware tool that captures and analyzes network packets.

Commonly used in Networking, Security

Read the full definition

Network Sniffing

The act of using a software tool to capture and analyze packets traveling over a network, often used for troubleshooting, network analysis, and by malicious actors to intercept data.

Commonly used in Networking, Security

Read the full definition

Network Socket

An endpoint in a communication flow across a computer network, consisting of an IP address and a port number, used by programs to send and receive data.

Commonly used in Networking, Programming

Read the full definition

Network Softwarization

The process of implementing network functionality in software rather than hardware, enabling more flexible and dynamic network management and configuration.

Commonly used in Networking, Software-Defined Networking

Read the full definition

Network Splicing

The process of combining multiple network connections to increase bandwidth or reliability.

Commonly used in Networking, IT Management

Read the full definition

Network Spoofing

The act of masquerading as a legitimate device or user on a network by falsifying data to gain an illegitimate advantage.

Commonly used in Networking, Security

Read the full definition

Network Stability

The ability of a network to remain consistent and functional in the face of changes and disturbances, ensuring continuous service and performance.

Commonly used in Networking, Reliability

Read the full definition

Network Stack

A set of network protocol layers that work together to handle internet communications.

Commonly used in Networking, General IT

Read the full definition

Network Standard

A set of guidelines and specifications for how devices communicate over a network, ensuring interoperability and compatibility among different manufacturers’ products.

Commonly used in Networking, Standards

Read the full definition

Network Stewardship

The practice of managing and maintaining network resources and infrastructure responsibly, with a focus on long-term sustainability and efficiency.

Commonly used in Networking, IT Management

Read the full definition

Network Storage

The use of a network-connected device, such as a NAS or SAN, to store, manage, and access data across a network, providing centralized data access and management.

Commonly used in Networking, Data Storage

Read the full definition

Network Storm

A condition in which network traffic floods the network, causing excessive broadcast traffic and degrading network performance, often due to a loop or malfunction in the network topology.

Commonly used in Networking, Performance Management

Read the full definition

FREE COURSE OFFERS