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1 layer 2
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2 data link layer
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3 L2
См. также в других словарях:
data-link layer — The second of seven layers of the OSI Reference Model for computer to computer communications. The datalink layer validates the integrity of the flow of data from one node to another by synchronizing blocks of data and controlling the flow of… … Dictionary of networking
TCP/IP model — See also: Internet Protocol Suite The TCP/IP model (Transmission Control Protocol/Internet Protocol) is a descriptive framework for the Internet Protocol Suite of computer network protocols created in the 1970s by DARPA, an agency of the United… … Wikipedia
Telecommunication — A parabolic satellite communication antenna at the biggest facility for satellite communication in Raisting, Bavaria, Germany … Wikipedia
Controller-area network — (CAN or CAN bus) is a computer network protocol and bus standard designed to allow microcontrollers and devices to communicate with each other without a host computer.It was designed specifically for automotive applications but is now also used… … Wikipedia
Controller area network — Controller–area network (CAN or CAN bus) is a vehicle bus standard designed to allow microcontrollers and devices to communicate with each other within a vehicle without a host computer. CAN is a message based protocol, designed specifically for… … Wikipedia
MAC address — This article is about a network addressing standard. For the Apple computer product, see Macintosh. For other similar terms, see Mac. A Media Access Control address (MAC address) is a unique identifier assigned to network interfaces for… … Wikipedia
X.25 — is an ITU T standard network layer protocol for packet switched wide area network (WAN) communication. An X.25 WAN consists of packet switching exchange (PSE) nodes as the networking hardware, and leased lines, Plain old telephone service… … Wikipedia
Computer network — Computer networks redirects here. For the periodical, see Computer Networks (journal). Datacom redirects here. For other uses, see Datacom (disambiguation). Internet map. The Internet is a global system of interconnected computer networks that… … Wikipedia
Firewall (computing) — This article is about the network security device. For other uses, see Firewall. An illustration of where a firewall would be located in a network … Wikipedia
Simple Network Management Protocol — (SNMP) forms part of the internet protocol suite as defined by the Internet Engineering Task Force (IETF). SNMP is used in network management systems to monitor network attached devices for conditions that warrant administrative attention. It… … Wikipedia
computer science — computer scientist. the science that deals with the theory and methods of processing information in digital computers, the design of computer hardware and software, and the applications of computers. [1970 75] * * * Study of computers, their… … Universalium
