Network administration
Terms related to managing computer networks, including definitions about LANS or WANS and words and phrases about network design, troubleshooting, security and backups.EMC - NET
- EMC Corporation - EMC Corporation was a multinational provider of products and services related to cloud computing, storage, big data, data analytics, information security, content management and converged infrastructure.
- employee monitoring - Employee monitoring is the use of various methods of workplace surveillance to gather information about the activities and locations of staff members.
- encoding and decoding - Encoding and decoding are used in many forms of communications, including computing, data communications, programming, digital electronics and human communications.
- endpoint device - An endpoint device is an Internet-capable computer hardware device on a TCP/IP network.
- endpoint security management - Endpoint security management is a policy-based approach to network security that requires endpoint devices to comply with specific criteria before they are granted access to network resources.
- Energy Star - Energy Star is a government-backed labeling program that helps people and organizations save money and reduce greenhouse gas emissions by identifying factories, office equipment, home appliances and electronics that have superior energy efficiency.
- Enhanced Interior Gateway Routing Protocol (EIGRP) - Enhanced Interior Gateway Routing Protocol (EIGRP) is a network protocol that enables routers to exchange information more efficiently than earlier network protocols, such as Interior Gateway Routing Protocol (IGRP) or Border Gateway Protocol (BGP).
- Enterprise Service Bus (ESB) - An enterprise service bus (ESB) is a software platform used to distribute work among connected components of an application.
- Ethernet - Ethernet is the traditional technology for connecting devices in a wired local area network (LAN) or wide area network (WAN).
- Ethernet/IP (Ethernet Industrial Protocol) - Ethernet/IP (Ethernet Industrial Protocol) is a network communication standard capable of handling large amounts of data at speeds of 10 Mbps or 100 Mbps, and at up to 1500 bytes per packet.
- event - An event, in a computing context, is an action or occurrence that can be identified by a program and has significance for system hardware or software.
- event handler - In programming, an event handler is a callback routine that operates asynchronously once an event takes place.
- event-driven architecture (EDA) - An event-driven architecture (EDA) is a framework that orchestrates behavior around the production, detection and consumption of events as well as the responses they evoke.
- fault management - Fault management is the component of network management concerned with detecting, isolating and resolving problems.
- FCAPS (fault, configuration, accounting, performance and security) - FCAPS (fault, configuration, accounting, performance and security) is a network management framework created by the International Organization for Standardization (ISO).
- FDDI (Fiber Distributed Data Interface) - FDDI (Fiber Distributed Data Interface) is a network standard that uses fiber optic connections in a local area network (LAN) that can extend in range up to 200 kilometers (124 miles).
- file server - A file server is a computer responsible for the storage and management of data files so that other computers on the same network can access the files.
- fixed-length subnet mask (FLSM) - A fixed-length subnet mask (FLSM) refers to a type of enterprise or provider networking where a block of IP addresses is divided into multiple subnets of equal length (i.
- flooding (network) - In a computer network, flooding occurs when a router uses a non-adaptive routing algorithm to send an incoming packet to every outgoing link except the node on which the packet arrived.
- flow control - Flow control is the management of data flow between computers or devices or between nodes in a network so that the data can be handled at an efficient pace.
- frame relay - Frame relay is a packet-switching telecommunications service designed for cost-efficient data transmission for intermittent traffic between local area networks (LANs) and between endpoints in wide area networks (WANs).
- gatekeeper - A gatekeeper is a management tool for H.
- Gigabit Ethernet (GbE) - Gigabit Ethernet (GbE), a transmission technology based on the Ethernet frame format and protocol used in local area networks (LANs), provides a data rate of 1 billion bits per second, or 1 gigabit (Gb).
- GMPLS (Generalized Multiprotocol Label Switching or Multiprotocol Lambda Switching) - GMPLS (Generalized Multiprotocol Label Switching) is a networking technology that enables fast and reliable network switching of data flows on any type of network infrastructure.
- gpresult - Gpresult is a command-line tool that shows the RSoP (Resultant Set of Policy) for a user or computer based on applied Group Policy settings.
- graceful degradation - Graceful degradation is the ability of a computer, machine, electronic system or network to maintain limited functionality even when a large portion of it has been destroyed or rendered inoperative.
- green networking - Green networking is the practice of selecting energy-efficient networking technologies and products and minimizing resource use whenever possible.
- grid computing - Grid computing is a system for connecting a large number of computer nodes into a distributed architecture that delivers the compute resources necessary to solve complex problems.
- Group Policy - Group Policy is a hierarchical infrastructure that allows a network administrator in charge of Microsoft's Active Directory to implement specific configurations for users and computers.
- Group Policy Preferences - Group Policy Preferences are a set of extensions, introduced in Windows Server 2008, that increase the functionality of Group Policy Objects.
- guest virtual machine (guest VM) - A guest virtual machine (VM) is the software component of a VM, an independent instance of an operating system (OS), called a guest OS, and its associated software and information.
- HAProxy - HAProxy (High Availability Proxy), developed by HAProxy Technologies LLC, is an open source load balancer proxy for TCP and HTTP applications.
- hard reset (factory reset; master reset) - A hard reset, also known as a factory reset or master reset, is the restoration of a device, such as a smartphone or tablet, to its state when it left the factory.
- HashiCorp - HashiCorp is a software company that provides a suite of modular DevOps infrastructure provisioning and management products.
- Health IT (health information technology) - Health IT (health information technology) is the area of IT involving the design, development, creation, use and maintenance of information systems for the healthcare industry.
- heartbeat (computing) - In computing, a heartbeat is a program that runs specialized scripts automatically whenever a system is initialized or rebooted.
- HELLO packet - A HELLO packet is a special data packet (message) that is sent out periodically from a router to establish and confirm network adjacency relationships to other routers in the Open Shortest Path First (OSPF) communications protocol.
- high availability (HA) - High availability (HA) is the ability of a system to operate continuously without failing for a designated period of time.
- host virtual machine (host VM) - A host virtual machine is the server component of a virtual machine (VM), the underlying hardware that provides computing resources to support a particular guest virtual machine (guest VM).
- hosted services - Hosted services are applications, IT infrastructure components or functions that organizations access from external service providers, typically through an internet connection.
- hot spare - A hot spare, also called a hot standby, is a backup component that can be placed into service immediately when a primary component fails.
- HPE OneView (formerly HP OneView) - HPE OneView, formerly known as HP OneView, is a converged infrastructure management platform that provides a unified interface for the administration of software-defined systems in a data center.
- ImageX - ImageX is a command-line tool that allows an administrator to capture an image of an entire hard disk drive and its files and folders in a single Windows Imaging Format (WIM) file.
- incident - An incident is an occurrence where a service or component fails to provide a feature or service that it was designed to deliver.
- inline deduplication - Inline deduplication is the removal of redundancies from data before or as it is being written to a backup device.
- intent-based networking (IBN) - Intent-based networking (IBN) is a form of network administration that incorporates artificial intelligence (AI), network orchestration and machine learning (ML) to automate administrative tasks across a network.
- interrupt vector - An interrupt vector is the memory location of an interrupt handler, which prioritizes interrupts and saves them in a queue if more than one interrupt is waiting to be handled.
- intrusion prevention system (IPS) - An intrusion prevention system (IPS) is a network security and threat prevention tool.
- iSCSI (Internet Small Computer System Interface) - ISCSI is a transport layer protocol that describes how Small Computer System Interface (SCSI) packets should be transported over a TCP/IP network.
- IT as a Service (ITaaS) - IT as a Service (ITaaS) is a technology-delivery method that treats IT (information technology) as a commodity, providing an enterprise with exactly the amount of hardware, software, and support that it needs for an agreed-on monthly fee.
- IT incident report - An IT incident report is documentation of an event that has disrupted the normal operation of some IT system (or that had the potential to do so) and how that situation was handled.
- IT operations - IT operations is the overarching term for the processes and services administered by an organization's information technology (IT) department.
- IT operations management (ITOM) - IT operations management (ITOM) is a strategic approach to managing an organization's information technology needs.
- iterative DNS query - An iterative DNS query is a request for a website name or URL.
- job scheduler - A job scheduler is a computer program that enables an enterprise to schedule and, in some cases, monitor computer 'batch' jobs (units of work).
- keylogger (keystroke logger or system monitor) - A keylogger, sometimes called a keystroke logger or keyboard capture, is a type of surveillance technology used to monitor and record each keystroke on a specific computer.
- latency - Latency is the delay from the input into a system to a desired outcome.
- LDAP (Lightweight Directory Access Protocol) - LDAP (Lightweight Directory Access Protocol) is a software protocol for enabling anyone to locate data about organizations, individuals and other resources such as files and devices in a network -- whether on the public internet or a corporate intranet.
- leaky bucket algorithm - The leaky bucket algorithm is a "traffic shaping" algorithm to reduce the load the transport layer places on the network layer and reduce congestion in the network.
- LEAP (Lightweight Extensible Authentication Protocol) - LEAP (Lightweight Extensible Authentication Protocol) is a Cisco-proprietary version of EAP, the authentication protocol used in wireless networks and Point-to-Point connections.
- log (log file) - A log, in a computing context, is the automatically produced and time-stamped documentation of events relevant to a particular system.
- logical network - A logical network is one that appears to the user as a single, separate entity although it might in fact be either just a part of a larger network or an entity connecting multiple networks.
- LUN masking - LUN masking is an authorization mechanism used in storage area networks (SANs) to make LUNs available to some hosts but unavailable to other hosts.
- managed file transfer (MFT) - Managed file transfer (MFT) is a type of software used to provide secure internal, external and ad-hoc data transfers through a network.
- managed hosting - Managed hosting is an IT provisioning model in which a service provider leases dedicated servers and associated hardware to a single customer and manages those systems on the customer's behalf.
- managed network services - Managed network services are networking applications, functions and services that enterprises outsource to be remotely operated, monitored and maintained by a managed service provider (MSP).
- maximum segment size (MSS) - The maximum segment size (MSS) is the largest amount of data, specified in bytes, that a computer or communications device can handle in a single, unfragmented piece.
- maximum transmission unit (MTU) - The maximum transmission unit (MTU) is the largest size frame or packet -- in bytes or octets (eight-bit bytes) -- that can be transmitted across a data link.
- memory dump - A memory dump is the process of taking all information content in RAM and writing it to a storage drive as a memory dump file (*.
- Microsoft Assessment and Planning (MAP) Toolkit - Microsoft Assessment and Planning (MAP) Toolkit is a free utility IT can use to determine whether its infrastructure is prepared for a migration to a new operating system, server version or cloud-based deployment.
- Microsoft Azure - Microsoft Azure, formerly known as Windows Azure, is Microsoft's public cloud computing platform.
- Microsoft System Center 2012 - Microsoft System Center 2012 is a bundled suite of systems management products that offers tools to monitor and automate virtualized environments, including private clouds based on Microsoft Hyper-V.
- Microsoft Windows Performance Monitor - The Microsoft Windows Performance Monitor is a tool that admins can use to examine how programs running on their computers affect their performance.
- MiFi - MiFi is a portable broadband device that allows multiple end users and mobile devices to share a 3G or 4G mobile broadband Internet connection and create an ad-hoc network.
- mirror site - A mirrored site is a website or set of files on a server that has been copied to another server so that the site or files are available from more than one place.
- mobile workforce management (MWM) - Mobile workforce management (MWM) is a category of software and related services used to manage employees working outside the company premises; the term is often used in reference to field teams.
- moves, adds and changes (MAC) - Moves, adds and changes (MAC) keep computing equipment in line with user needs and up-to-date, with disciplined process management.
- MSP platform (managed service provider platform) - A managed service provider (MSP) platform is a computing framework used to deliver network-based services, applications, and equipment to enterprises, residences, or other service providers.
- multiplexing - Multiplexing, or muxing, is a way of sending multiple signals or streams of information over a communications link at the same time in the form of a single, complex signal.
- Multiprotocol Label Switching (MPLS) - Multiprotocol Label Switching (MPLS) is a protocol-agnostic routing technique designed to speed up and shape traffic flows across enterprise wide area and service provider networks.
- NBMA (non-broadcast multiple access) - Non-broadcast multiple access (NBMA) is one of four network types in the Open Shortest Path First (OSPF) communications protocol.