Physical Media

Physical Media
(Физическая среда) Любой физически возможный способ передачи сигналов между системами. Рассматривается вне модели OSI и иногда обозначается как нулевой уровень (Layer 0). Физическое соединение (соединитель, разъем) со средой можно рассматривать как определение верхнего интерфейса Физического уровня, т. е. нижнюю границу модели OSI.

English-Russian network dictionary . 2013.

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  • Physical security — describes measures that prevent or deter attackers from accessing a facility, resource, or information stored on physical media. It can be as simple as a locked door or as elaborate as multiple layers of armed guardposts.Elements and designThe… …   Wikipedia

  • Media discontinuity — The term media discontinuity or media disruption refers to switching between different media within the same process of information processing or acquisition. The person seeking (or processing) information is thereby forced to change their… …   Wikipedia

  • Media access control — The OSI model 7 Application layer 6 Presentation layer 5 Session layer 4 Transport layer 3 Network layer 2 …   Wikipedia

  • Media Access Control — The Media Access Control (MAC) data communication protocol sub layer, also known as the Medium Access Control, is a sublayer of the Data Link Layer specified in the seven layer OSI model (layer 2). It provides addressing and channel access… …   Wikipedia

  • Media coverage of climate change — has significant effects on public opinion on climate change,[1] as it mediates the scientific opinion on climate change that the global instrumental temperature record shows increase in recent decades and that the trend is caused mainly by human… …   Wikipedia

  • Media in The Simpsons — Media is a recurring theme of satire on The Simpsons. The show is known for its satire of American popular culture and especially television culture, but has since its inception covered all types of media such as animation, journalism,… …   Wikipedia

  • physical science — physical scientist. 1. any of the natural sciences dealing with inanimate matter or with energy, as physics, chemistry, and astronomy. 2. these sciences collectively. [1835 45] * * * Introduction       the systematic study of the inorganic world …   Universalium

  • Physical Medium Dependent — sublayers or PMDs further help to define physical layer specifications for Fast Ethernet, Gigabit Ethernet and 10 Gigabit Ethernet. These sublayers define physical layer specifications in Gigabit and 10 Gigabit Ethernet transmissions. It is… …   Wikipedia

  • Physical access — is a term in computer security that refers to the ability of people to physically gain access to a computer system. According to Gregory White, Given physical access to an office, the knowledgeable attacker will quickly be able to find the… …   Wikipedia

  • Physical information security — is concerned with physically protecting data and means to access that data (apart from protecting it electronically). Many individuals and companies place importance in protecting their information from a software and/or network perspective, but… …   Wikipedia

  • Media Rights Capital — II LP is an independent film, television and digital studio founded by Mordecai Wiczyk and Asif Satchu. MRC specializes in the creation of premium content. It has full in house physical production, legal, finance and sales teams, and a complete… …   Wikipedia


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