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What Does Vertical Enterprise Portal (VEP) Mean? A vertical enterprise portal (VEP) is a specific type of enterprise portal used by personnel in a specific department for specific business functions such as e-commerce or accounting. A vertical enterprise portal may also be called a vortal. Techopedia Explains Vertical Enterprise Portal (VEP) This differs from a horizontal enterprise portal, which has menus and links to many diverse vertical enterprise portals across an organization....

What Does AirPlay Mean? AirPlay is a wireless streaming service from Apple designed to allow users to stream content from iDevices and Macs. AirPlay is designed to take a user’s iTunes multimedia content from the device on which it’s hosted and make it available to multiple other sources, including supported speakers/stereo systems, an AirPort Express or an HDTV set. Techopedia Explains AirPlay The streaming content service works primarily within Apple’s own ecosystem or products that support it....

What Does Acknowledgement Code (ACK) Mean? An acknowledgment code (ACK) is a type of unique signal that a computer sends to show that data has been transmitted successfully. The acknowledgement code is an ASCII character that has been designated to serve as a signal between sender and recipient. Techopedia Explains Acknowledgement Code (ACK) The acknowledgement code illustrates the ways that various senders and receivers handle blocks of data. There is a certain protocol or familiar size for a data block, to which the sender data must conform....

What Does Internet Radio Appliance Mean? An internet radio appliance is a hardware innovation that functions very much like a radio when connected to the internet. It was born due to emerging web-based music services, like Apple’s iTunes and other online radio broadcasting stations available for PC and mobile users that stream music. Techopedia Explains Internet Radio Appliance An internet radio appliance works just like a common radio, except that rather than receiving radio signals, audio data is broadcasted and received as digital signals via the internet....

What Does ISO Image Mean? An ISO image is a type of disc image that acts as an archive file that is comprised of all sector data contained in an optical disc, including its file system. Image files have a file extension of .iso, which is taken from the ISO 9660 file system used in CD-ROM media. However, ISO images may also contain a Universal Disk Format (UDF) file system, which is used in DVDs and Blu-ray discs....

What Does Authenticated Post Office Protocol (APOP) Mean? Authenticated Post Office Protocol (APOP) permits a client computer to retrieve email from a Post Office Protocol (POP) server while providing authentication technology that includes password encryption upon client receipt.In standard POP, the username and password are in plain text whereas APOP encrypts them. The server that holds email is known as the POP server, so in APOP, clients leave email on servers in order to read them later....

What Does Automatic Test Equipment (ATE) Mean? Automatic test equipment (ATE) is a machine that is designed to perform tests on different devices referred to as a devices under test (DUT). An ATE uses control systems and automated information technology to rapidly perform tests that measure and evaluate a DUT. ATE tests can be both simple and complex depending on the equipment tested. ATE testing is used in wireless communication and radar as well as electronic component manufacturing....

What Does Bundle Protocol Mean? Bundle protocol is an experimental disruption-tolerant networking (DTN) protocol designed for unstable communications networks. It groups data blocks into bundles and transmits them using a store-and-forward technique. Bundle protocols connect multiple subnets into a single network. They provide a custody-based retransmission service and store data for long periods. The signal retransmitter guarantees packet delivery. As such, they can easily cope with Internet connectivity issues such as bandwidth delays and breakups....

What Does Computational Fluid Dynamics (CFD) Mean? Computational fluid dynamics (CFD) is a branch of physics that deals with the study of the mechanics of fluid: liquid, plasmas and gasses and forces acting on them. CFG is based on Navier-Stroke equations that describe how pressure, velocity, density and temperature of a moving fluid are related. It makes use of numerical methods, mathematical modeling and software tools to solve and analyze problems that involve fluid flows and uses the latest in computer hardware and elegant programming techniques to model and simulate liquid and gas interactions with surfaces, as defined by boundary conditions....

What Does Data Center Security Mean? Data center security is the pursuit of practices that make a data center more secure from a range of different kinds of threats and attacks. The data center, as a major primary resource for companies, deserves this kind of dedicated security effort. Techopedia Explains Data Center Security

What Does Data Transformation Services (DTS) Mean? Data Transformation Services (DTS) is a group of utilities and objects used to automatically perform extract, transform and load operations to or from databases. DTS is widely used with Microsoft SQL Server databases. DTS was a feature of Microsoft SQL Server from version 7.0 through SQL Server 2000. It was replaced by SQL Server Integration Services (SSIS) in SQL Server 2005. Techopedia Explains Data Transformation Services (DTS) DTS consists of a set of utilities called DTS tools and objects called DTS packages, which automate extract, transform and load operations to or from databases....

Key Points DeFi is a loose collection of individuals, organizations, protocols, apps, technologies, and cryptocurrencies. The term “DeFi”, short for decentralized finance.DeFi is basically a term for lack of financial rules around currencies. DeFi is a new, quickly growing modern approach to handling and managing digital finances. It is changing finance by disrupting the traditional ways presented by banks and other organizations in the past. New decentralized technologies are at the heart of DeFi....

What Does DMCA 1201 Mean? DMCA 1201 is a legislative prohibition that guards against technological circumvention of safeguards erected by copyright holders to protect their work. It is part of the Digital Millenium Copyright Act (DMCA), a U.S. law enacted in 1998. DMCA 1201 protects copyrighted works by prohibiting circumvention technology from disabling encrypted and rights-protected digital media. Amendments to DMCA have slightly loosened the protective measures on circumvention prohibition in specified ways, perhaps most notably by enabling professors to access digital data that is pertinent to their university or college curriculums....

What Does Data Over Cable Service Interface Specification (DOCSIS) Mean? Data over cable service interface specification (DOCSIS) is an internationally recognized standard allowing high speed data transfer on existing cable TV systems (CATVSs) used by many cable operators to provide Internet access to their customers through a cable modem. The latest version of the standard also supports high definition televisions (HDTVs). The standard was approved by the International Telecommunication Union (ITU) in 1998....

What Does Elk Cloner Mean? Elk Cloner is a boot sector virus and one of the earliest microcomputer viruses. It fiercely invades a computer’s hardware, but it also has the ability to copy itself onto other computers. As soon as a computer boots from a floppy disk carrying the virus, the virus copies itself into the computer’s memory. Later on, when another clean disk is inserted into the computer, the Elk Cloner virus automatically copies itself onto the clean disk, resulting in a network-like infection....

What Does Fourth Normal Form (4NF) Mean? Fourth normal form (4NF) is a level of database normalization where there are no non-trivial multivalued dependencies other than a candidate key. It builds on the first three normal forms (1NF, 2NF and 3NF) and the Boyce-Codd Normal Form (BCNF). It states that, in addition to a database meeting the requirements of BCNF, it must not contain more than one multivalued dependency. Techopedia Explains Fourth Normal Form (4NF) A multivalued dependency is best illustrated using an example....

What Does Fused Filament Fabrication (FFF) Mean? Fused filament fabrication (FFF) is an additive manufacturing technology used for building three-dimensional products, prototypes or models. It is a rapid prototyping and manufacturing technique that adds layer after layer of molten plastic to create a model or product. Techopedia Explains Fused Filament Fabrication (FFF) FFF works like any other additive manufacturing process. Typically, the FFF mechanism consists of a nozzle that emits material and deposits it onto a moving table....

What Does IEEE 802.11m Mean? IEEE 802.11m is an IEEE Task Group m (TGm) initiative geared toward maintaining the IEEE 802.11 standard and related documentation. It is comprised of all IEEE 802.11 amendments and revisions applied to the IEEE 802.11 standard for wireless local area network (WLAN) services and compatible devices. IEEE 802.11m is also known as 802.11 Cleanup. Techopedia Explains IEEE 802.11m Developed in 1999, IEEE 802.11m is an ongoing initiative that provides a unified view of the 802....

What Does Layered Authentication Mean? Layered authentication is an information security (IS) management technique in which the identity of an individual or system is verified by more than one authentication process. It provides multiple levels of authentication, depending on the underlying transaction, system or operational environment. Two types of layered authentication are multifactor authentication (MFA) and two-factor authentication. Techopedia Explains Layered Authentication Similarly, in addition to personal credentials, layered authentication also may impart device level authentication, such as combining a username with a device’s media access control (MAC) address....

What Does Network Backup Mean? Network backup is the process of copying and backing up all end devices and network nodes in a computer network. Network backup may also refer to the actual data or files that are backed up in a network backup process. Techopedia Explains Network Backup Network backup is an integral part of the backup and recovery process in an IT environment. It is typically done using network backup software, which identifies the network components to back up, configures the backup schedule and copies the data to a backup storage....