Network explained

Active Directory is a directory service developed by Microsoft that manages users, devices, and access within a network, enabling centralized identity and security control.

An agent is a software component installed on a device that collects data or performs actions on behalf of a central management system.

Agentic AI describes AI systems that can act autonomously to achieve goals, make decisions, and perform tasks with minimal human intervention.

AI networking refers to the use of artificial intelligence to optimize, automate, and manage network operations, improving performance and reducing manual effort.

AIOps uses artificial intelligence and machine learning to automate and enhance IT operations, helping detect issues, analyze data, and improve system performance.

An API key is a unique identifier used to authenticate and authorize access to an application programming interface.

Asset lifecycle management is the process of managing IT assets from acquisition through operation, maintenance, and eventual retirement to optimize performance and cost.

Audit logging is the process of recording user actions and system changes to provide traceability, accountability, and support for compliance requirements.

Bandwidth refers to the maximum amount of data that can be transmitted over a network connection within a given time, typically measured in bits per second.

Bandwidth management is the process of controlling and optimizing network traffic to ensure critical applications receive sufficient resources and overall performance remains stable.

Bit rate refers to the amount of data transmitted over a network within a given time, typically measured in bits per second.

A blocklist is a list of IP addresses, domains, or entities that are denied access to a network or system to prevent threats or unwanted activity.

Cable management is the practice of organizing and structuring cables to improve maintainability, airflow, and reliability of IT infrastructure.

Cable tracing is the process of identifying and tracking physical cable paths to understand connections and support troubleshooting.

Cloud computing refers to delivering computing resources such as servers, storage, and applications over the internet, enabling scalable and flexible infrastructure without on-premises hardware.

CMDB is a centralized repository that stores information about IT assets, their configurations and relationships, helping organizations understand and manage their infrastructure more effectively.

Containerization is a method of packaging applications and their dependencies into lightweight, portable units called containers that can run consistently across environments.

Conversational AI refers to technologies that enable systems to interact with users through natural language, such as chatbots and virtual assistants.

A data center is a facility that houses servers, storage systems, and networking equipment used to process, store, and manage data.

Data-driven decision making is the practice of using accurate and relevant data to guide operational and strategic decisions instead of relying on assumptions.

DCIM refers to tools and processes used to monitor, manage, and optimize data center resources such as power, cooling, and space.

Dependency mapping identifies and visualizes relationships between systems, devices, and services, helping to understand how they depend on each other.

DHCP is a network protocol that automatically assigns IP addresses and other network settings to devices, simplifying network management and reducing manual configuration.

DNS translates human readable domain names into IP addresses, allowing users and systems to locate and communicate with services on a network.

The period of time during which a system, service, or network component is unavailable or not functioning properly. During downtime, users cannot access or use the service, which can lead to operational disruptions, revenue loss, or decreased productivity.

A network routing method where routers automatically adjust the paths that data packets take based on current network conditions. Routing decisions are made using dynamic routing protocols (e.g., OSPF, BGP, RIP), which continuously exchange information about network topology and availability.

Endpoint management is the practice of monitoring, managing, and securing devices such as laptops, desktops, and mobile devices connected to a network.

Endpoint security focuses on protecting individual devices from cyber threats through tools like antivirus, monitoring, and access controls.

Ethernet is a widely used networking technology that enables devices to communicate within a local area network (LAN) using wired connections.

A firewall is a security system that monitors and controls incoming and outgoing network traffic based on predefined security rules.

Hardware monitoring is the process of tracking the performance and health of physical devices such as servers, routers, and switches to ensure reliable operation.

Historical data consists of previously collected information that allows organizations to analyze trends, track changes, and support long-term planning.

Hybrid deployment is a model that combines on-premises and cloud environments, allowing organizations to balance flexibility, control, and scalability.

Impact analysis is the process of assessing how changes in a system or network may affect other components, helping reduce risks before implementation.

Incremental backup is a data backup method that saves only the changes made since the last backup, reducing storage usage and improving efficiency.

IP addressing is the method of assigning unique identifiers (IP addresses) to devices on a network, enabling communication and data routing between systems.

IPAM is the process of planning, tracking, and managing IP address space within a network to ensure efficient allocation and avoid conflicts.

IPv6 is the latest version of the Internet Protocol, developed to replace IPv4 and address its limitations. It provides a vastly expanded address space, enabling a significantly larger number of unique IP addresses to support the growing number of connected devices. In addition to scalability, IPv6 improves routing efficiency, simplifies network configuration, and enhances support for modern network environments and services.

IT asset discovery is the process of identifying and cataloging devices, systems, and resources within an IT environment to maintain accurate visibility and centralized control.

ITIL is a widely used framework that provides best practices for IT service management, helping organizations align IT services with business needs.

IT Operations Management refers to the processes and tools used to monitor, manage, and maintain an organization’s IT infrastructure, ensuring stable, efficient, and continuous operation.

Large language models are advanced AI systems trained on vast amounts of text data to understand and generate human-like language for various applications.

Layer 1 topology describes the physical layout of network devices and cables, including how hardware components are physically connected.

Layer 2 topology represents how devices communicate within the same network segment using MAC addresses and switching technologies.

Layer 3 topology defines how different networks are interconnected and how data is routed between them using IP addressing and routing protocols.

LDAP is a protocol used to access and manage directory-based information, such as user identities and permissions, commonly used for centralized authentication.

A MAC address is a unique hardware identifier assigned to an interface, used for communication within the network.

Microservices architecture is a software design approach where applications are composed of small, independent services that communicate through APIs, enabling flexibility and scalable system design.

Modular architecture is a design approach where a system is built from independent components or modules that can be developed, updated, and scaled separately.

Multifactor authentication (MFA) is a security method that requires users to verify their identity using multiple independent factors (such as a password and a one-time code), increasing the protection of system access.

Multi-site infrastructure refers to IT environments that span multiple physical locations, requiring centralized visibility and coordinated management.

Network Attached Storage (NAS) is a dedicated storage device connected to a network that allows multiple users and systems to store and access data centrally.

Network automation uses software and scripts to automatically manage, configure, and operate network devices, reducing manual effort and errors.

Network control protocol refers to a set of protocols used to establish and configure network connections, particularly in point-to-point communication environments.

Network discovery is the process of automatically identifying devices, systems, and resources connected to a network, providing visibility into the infrastructure.

Network inventory management is the process of tracking and maintaining accurate records of network devices, assets, and configurations.

Network management refers to the processes, tools, and practices used to monitor, manage, and maintain network infrastructure, including devices, configurations, performance, and connectivity. It ensures reliable operation, optimal performance, and efficient use of network resources across the entire environment.

Network monitoring is the continuous observation of network performance, availability, and health. It tracks metrics such as bandwidth usage, latency, packet loss, device status, and traffic patterns to detect issues and ensure smooth operation.

Network relationships describe how devices, systems, and services are connected and interact within a network, providing context for dependencies and data flow.

Network scanning is the process of probing a network to identify active devices, open ports, and potential vulnerabilities, helping maintain visibility and security.

Network security involves the policies, technologies, and practices used to protect network infrastructure, data, and systems from unauthorized access, attacks, and misuse.

A network source of truth is a single, reliable system that provides accurate and up-to-date information about network assets, configurations, and relationships.

Network topology describes how devices and systems are connected within a network, including both physical and logical relationships between components.

A Next-generation firewall is an advanced security solution that combines traditional firewall capabilities with features like deep packet inspection, intrusion prevention, and application awareness.

NIS2 is a European Union directive that strengthens cybersecurity requirements for organizations operating critical infrastructure and digital services, focusing on risk management, incident reporting, and overall resilience.

A NOC is a centralized location where network operators monitor, manage and maintain network systems, ensuring performance, availability and rapid issue resolution.

The OSI model is a conceptual framework that defines how network communication occurs across seven layers, helping standardize and troubleshoot networking processes.

A small unit of data transmitted over a network. It contains both the payload (the actual data being sent) and control information (such as source and destination addresses) needed for proper routing and delivery.

Patch management is the process of identifying, testing, and applying software updates to fix vulnerabilities, improve performance, and maintain system security.

A basic network diagnostic tool used to test the reachability of a device on an IP network by sending ICMP packets and measuring whether a response is received; commonly used to verify availability and assess latency and packet loss.

Plug and play provisioning is the ability to automatically configure and integrate devices or systems into a network with minimal manual setup.

A port is a logical communication endpoint used by network services and applications to send and receive data over a network, enabling multiple services to operate on a single device.

Rack view is a visual representation of how devices are physically arranged within a server rack, helping manage hardware placement and infrastructure layout.

RBAC is a security model that restricts system access based on user roles, ensuring users can only access the data and functions relevant to their responsibilities.

Real-time data refers to information that is collected, processed, and made available immediately, enabling up-to-date visibility and fast decision making.

REST API is a type of interface that allows systems to communicate over HTTP using standard methods, enabling integration between applications.

RMA is a process that allows customers to return defective or faulty hardware to a vendor for repair, replacement, or refund.

SNMP is a protocol used to monitor and manage network devices by collecting data such as performance metrics and status information.

SQL is a standardized programming language used to manage, query and manipulate data in relational databases.

A subnet address is the identifier of a specific subnet within a network, representing the network portion of an IP range.

A subnet mask is a numerical value used to divide an IP address into network and host portions, helping to define network boundaries and determine how devices communicate within a network.

A subnetwork, or subnet is a segmented portion of a larger network that improves organization, performance, and security.

TCP/IP is the foundational set of communication protocols used for transmitting data across networks, enabling reliable and structured data exchange.

Troubleshooting is the systematic process of identifying, diagnosing, and resolving issues within IT systems or networks.

Virtualization is the process of creating virtual versions of physical resources, such as servers or networks, allowing more efficient use of hardware.

A VLAN is a logical segmentation of a network that groups devices together regardless of physical location, improving performance, security, and management.

A VPN is a secure connection that encrypts data traffic between users and networks, enabling safe remote access over public or untrusted networks.

A WAN is a network that connects multiple locations across large geographic areas, allowing communication between distributed sites.