Mandatory Access Control. A way to restrict the access to objects based on the sensitivity of the information that is contained in the objects and the official authorization of subjects in order to gain access to information of such sensitivity. Compare with discretionary access control.
A protocol from the Institute of Electrical and Electronics Engineers, defining the methods used to gain access to the physical layer of a LAN — that is, Layer 1 of the Open Systems Interconnection (OSI) model (see OSI).
Media Access Controller Controls the interface between the switch fabric and the PHY. Larger IC s often have the MAC s integrated with the switch fabric or PHY to improve cost efficiency and make boards smaller and easier to design.
The sublayer within the data link layer of the IEEE-802 model for data communications over Ethernet that's responsible for scheduling, transmitting, and receiving data on a shared-medium LAN. MAC (media acce ss control) addresses are unique, 48-bit, binary numbers (usually represented as a 12-digit hexadecimal number) encoded in a device's circuitry to identify it to a LAN.
The function in IEEE networks that arbitrates use of network capacity and determines which stations are allowed to use the transmission medium.
This is a unique 128-bit address of a network card or device
Mandatory Access Control. Check the validity of credentials that validate aspects that the user cannot control (e.g., IP address, host name).
The Data Link layer in the ISO model that describes how devices share access to a network. Ethernet, token-ring, and FDDI are MAC layer specifications. Wiring hubs deal primarily with MAC layer equipment.
Network devices each have unique hardware addresses, known as MAC addresses. In a wireless network, access points can be configured to only accept connections from wireless clients with their MAC addresses listed in a pre-approved table, which provides a measure of additional security. Back
edia ccess ontrol) Address A unique number assigned to the hardware within a device used for mapping its IP address.
See Media Control Access.
Physical access card or interface device.
Medial Access Control; the lower sub-layer of the OSI system.
Media Access Control. The unique address assigned to the Network Interface Control (NIC) card in all networked computers.
The Media Access Control is the Layer-2 function responsible for access to the medium (fiber, coax, etc.). Ethernet and RPR both have defined MAC layers.
mandatory access control. Restricts access to objects based on the sensitivity (as represented by a label) of the information contained in the objects and the formal authorization (that is, clearance) of users to access information of such sensitivity. This security feature is available with Secure SQL ServerTM, but not with the standard SQL Server.
(Medium Access Control) - A designated hardware address for each device on a LAN or MAN. This address is burnt into The network interface card (NIC) by its manufacturer.
Media Access Control. A unique physical address that is embedded in every network card sold. Many routers, including wireless ones, can restrict which computer can use it by its MAC address.
Media Access Control. On a local area network (LAN) or other network, the MAC address is a device?s unique hardware number. Every Network Interface Card (NIC) in the world has a unique MAC address.
A media-specific access control protocol within IEEE 802 specifications; currently includes variations for Token Ring, token bus, and CSMA/CD; the lower sublayer of the IEEE's link layer (OSI), which complements the Logical Link Control (LLC).
(Media Access Control) A part of the second layer of the OSI model. This is a method of access to the network media by which network stations can transmit information.
Medium Access Control. Lower half of data link layer IEEE 802 architecture; handles medium access functions. Used to keep stations sharing common communications link from interfering with each other.
Media Access Control. MAC is the lower sub-layer of the Data Link Layer that concerns with how data is taken from or inserted into the physical medium. For example in Ethernet, CSMA/CD mechanism is used to control access to the shared network medium. Also see LLC and Data Link Layer.
Media Access Control; the method that enables network stations to access network media and transmit information; corresponds to the second layer of the OSI model.
Medium access control, also called the physical layer.
Media Access Control. Protocols used to control access to a shared network medium. Common MAC techniques include: CSMA/CD, CSMA/CA, Token Passing, and polling.
Media Access Control - a hardware address that uniquely identifies each node on a network.
A unique identifier that can be used to provide security for wireless networks. All Wi-Fi devices have an individual MAC address hard-coded into it.
Media Access Control. Required when several devices share the same communication circuit, such as a half duplex line that requires devices to take turns, or a multipoint configuration in which several devices share the same circuit, such as a LAN.
Media Access Control. A protocol specified by the IEEE for determining which devices have access to a network at any one time.
Media access control. MAC gives each network node orderly access to the network cable. CSMA/CD is a MAC protocol that determines how nodes on the network share access to the cable.
Media access control, in the Data Link layer of the networking model.
Media Access Control, the IEEE specification for the lower sublayer of the OSI Data Link layer; CSMA/CD and Token Ring are types of MACs.
Media Access Control. A network protocol used to control the access to the network by different devices.
Media Access Control Layer. A sub-layer of the Data Link Layer (Level Two) of the ISO OSI Model responsible for media control.
Media Access Control. The six-byte address of network either the Ethernet or the ATM hardware (interface board). Typically written as six colon-separated hexadecimal numbers.
Media Access Control. Layer 2 of the open systems interconnection OSI model. The data-link layer responsible for scheduling, transmitting and receiving data on a local area network.
Media Access Control; the lower sublayer of the OSI system MAN
Stands for Media Access Controller. The MAC determines how a data packet is sent across the network, including the source and destination of the packet.
Medium Access Control - The lower half of OSI Layer 2 that governs access to the transmission media (e.g.: coaxial, fiber optic or twisted pair cable); the method of determining which device has access to the Ethernet collision domain at any given time.
(Media Access Control) A unique identifying number for your Wi-Fi card. This can be used to enhance security so that only specified MAC address are able to use your network.
Media Access Control address. A unique 48-bit number used in Ethernet data packets to identify an Ethernet device, such as an access point or your client adapter.
The lower portion of the data link layer responsible for control of access to the physical medium.
Media Access Control A system of rules used to move data from one physical medium to another. MAC (A, B, C, D2)
Medium Access Control. A Protocol operating at the data link layer used to manage a station's access to the communication channel.
Media Access Control. The lower of the two sublayers of the data link layer defined by the IEEE. The MAC sublayer handles access to shared media, such as whether token passing or contention will be used. Return
Medium Access Control. A unique address associated with a NIC.
(Media Access Control) Generic term for hardware addressing protocols (e.g. Ethernet).
Media Access Control - A MAC address uniquely identifies a device capable of participating on an Ethernet. MAC addresses consist of a unique 48-bit sequence.
Media Access Controller - The logic that controls access to the physical transmission medium ( PHY) on a LAN. Common MAC layer standards are the CSMA/CD architecture used in Ethernet and the token passing methods used in Token Ring, FDDI and MAP.
On a network, the MAC (Media Access Control) address is your computer's unique hardware number. The MAC address is used by the Media Access Control sublayer of the Data-Link Control (DLC) layer of telecommunication protocols. There is a different MAC sublayer for each physical device type. The Data-Link Layer is the protocol layer in a program that handles the moving of data in and out across a physical link in a network.
Media-Access Control. Portion of the Data Link layer that controls access to the communication channel.
The way LAN workstations share access to a transmission medium. MAC-layer protocols include Ethernet, token ring, and FDDI. This MAC has absolutely nothing to do with the Apple Macintosh computer.
See: Media Access Control
Media Access Control. The lower portion of the datalink layer. The MAC differs for various physical media. See also: MAC Address, Ethernet, Logical Link Control, token ring.
Media access control or moves, changes and adds.
Part of the Data Link Layer, as defined by the IEEE, this sublayer contains protocols for gaining orderly access to cable or wireless media.
Media Access Control address, a unique identifier attached to most forms of networking equipment
Medium Access Control. Lower of the two sub layers of the data link layer defined by the IEEE. The MAC sub layer handles access to shared media, such as whether token passing or contention will be used. See also data-link layer and LLC
address: "Media Access Control address." A MAC address is a unique number assigned to computer hardware on a network.
Media Access Control, a unique hard-corded address assigned to every wireless 802.11 device. This unique identifier can be used to provide security for wireless networks. When a network uses a MAC table, only the 802.11 radios that have had their MAC addresses added to that network's MAC table are able to get onto the network.
Media Access Control Layer. A sublayer of the Data Link Layer (Layer 2) of the ISO OSI Model responsible for media control.
(Media Access Control). On a local area network (LAN) or other network, the MAC address is your computer's unique hardware number. (On an Ethernet LAN, it's the same as your Ethernet address.) When you're connected to the Internet from your computer (or host as the Internet protocol thinks of it), a correspondence table relates your IP address to your computer's physical (MAC) address on the LAN. The MAC address is used by the Media Access Control sublayer of the Data-Link Layer (DLC) layer of telecommunication protocol. There is a different MAC sublayer for each physical device type. The other sublayer level in the DLC layer is the Logical Link Control sublayer. Some vendors provide management utilities that let these MAC ACLs be distributed to multiple access points within an organization.
Media Access Control: IEEE specifications for the lower half of the data link layer (layer 2) that defines topology dependent access control protocols for IEEE LAN specifications.
Media Access Control (MAC) is a sublayer of the Open Systems Interconnect (OSI) data link layer.
Medium Access Control (Used for Ethernet. Part of the OSI Link Layer, Layer 2)
MEDIA ACCESS CONTROL. 1) The lower sub layer of the data link layer in the open system interconnection (OSI) model. MAC is responsible for scheduling, gaining access, and transmitting and receiving data on the network media. 2) A generic term for the way in which workstations gain access to transmission media. The term is most widely used in reference to local area networks (LAN. Synonym: media access controller.
Media Access Control. A protocol for determining which devices have access to a network at any one time, specified by the IEEE. The MAC protocol differs depending on the method used to connect the network (for example Token Ring or Ethernet). Also see Ethernet IEEE MAC Address Network Protocol Token Ring
Media Access Control. The lower half of the data link sublayer that is responsible for framing data and controlling the physical link between two end points.
Medium Access Control layer is the lower layer in OSI model prior to PHY layer. The primary functions of the MAC layer is to control and access the physical medium, and also perform fragmentation and de fragmentation of packets.
Medium Access Control: For broadcast networks, it is the method which devices use to determine which device has line access at any given time.
The ANSI FDDI standard that defines the data link layer function responsible for the scheduling, routing and delivery of frames on and off the FDDI ring.
(Media Access Control) Address - The unique address that a manufacturer assigns to each networking device.
Media Access Control, unique 48 bit NIC card number
edium ccess ontrol. The layer of a distributed communications system concerned with the control of access to a medium that is shared between two or more entities. (The lowest level of the CDPD protocol stack.)
Monitor, Alarm and Control. A system to provide information on the status of equipment and the means to change its status.
Media access control protocol which manages access to the physical media
Media Access Control. The MAC address is the physical address of a device connected to a network. This unique hardware identity can be used to allow devices access to networks such as a wireless area network (WLAN) via an access point.
Media Access Control. The control circuitry in a LAN that converts the protocols of the DTS to those required by the LAN.
Media Access Control. The lower portion of the datalink layer. As defined by the IEEE, the lower of the two sublayers of the OSI reference model data link layer. The MAC sub-layer is concerned with media access issues, such as whether token passing or contention is used
Media Access Control. A mechanism operating at the data link layer of local area networks which manages access to the communications channel (medium). It forms the lower layer of the IEEE data link layer (OSI layer 2) which complements the Logical Link Control (LLC). MAC is a media-specific protocol within the IEEE 802 specifications.
Media Access Control. This is a commonly referred to sublayer of the datalink layer in the ISO network reference model.
Media Access Control; a protocol governing a station's access to a network. For example, CSMA/CD provides a set of access rules for sending and receiving data across a local area network.
(Media Access Control) address is a unique number assigned to any Ethernet networking device by the manufacturer. The MAC address is permanent (unlike IP addresses) and therefore valuable identifier that allows a network to identify the hardware. MAE
Abbreviation for Media Access Control.
(Media Access Control): The MAC layer is concerned with the control of access to a medium shared between two or more entities. It is a control layer for Ethernet.
A regional debit network.
Acronym for media access control, which is a network sublayer between a network node and the network physical layer.
Medium access control. A medium-specific access control protocol within IEEE-802. MAC provides a set of services to ensure proper operation of the Token ring including detection of, and recovery from, error conditions.
A protocol that defines the way workstations gain access to transmission media, most widely used in reference to LANs. For IEEE LANs, the MAC layer is the lower sublayer of the data link layer protocol.
See mandatory access control.
mandatory access control. A means of restricting access to information based on labels. A user has a label (or clearance) and an object has a label (or classification) which are compared to determine whether access to the object is allowed. Because these access controls are always enforced in addition to any discretionary control implemented by users, this type of security is called mandatory.
Acronym for Medium Access Control. MAC is a unique address number formatted in hexadecimal format and given to each computer and/or network device on a computer network. Example of a MAC address: A1: B2: C3: D4: E5: F6 Because a MAC address is a unique address, a computer network will not have the same MAC address assigned to more than one computer or network device.
Media-specific Access Control. Protocol for controlling access at the data link Layer 2.
Medium Access Control. In a WLAN network card, the MAC is radio controller protocol.
Media Access Control. Networking. The MAC is the lower sublayer of the data-link layer (Logical Link Control is the upper sublayer), and it governs access to the transmission media. Each Ethernet device has a unique MAC address assigned on a world wide basis.
The part of OSI Layer 2, it describes how devices share access to the network. Token Ring, Ethernet, and FDDI are MAC layer specifications. Wiring hubs primarily deal with MAC layer equipment.
Medium Access Control. This is the part of the radio device managing the protocol and the usage of the link. The MAC decides when to transmit and when to receive, creates the packets headers and filters the received packet.
A unique hardware address, which identifies each node of a network.
Medium Access Control. 1) A service feature or technique used to permit or deny use of the components of a communication system. 2) A technique used to define or restrict the rights of individuals or application programs to obtain data from, or place data onto, a storage device, or the definition derived from that technique.
Abbreviation for medium access control. See medium access control sublayer.
Media Access Control (also Medium Access Control)
Media Access Control. A method for controlling access to a transmission medium. An example is the Ethernet (CSMA/CD access method.
Media Access Control. A protocol operating at the data link layer used to manage a stationâ€(tm)s access to the network.
See access protocol. ... more
Media Access Control. The lower portion of the datalink layer. The MAC differs forvarious physical media. See also: MAC Address, Ethernet, LogicalLink Control, token ring. message switching
Every wireless 802.11 device has its own specific Media Access Control address hard-coded into it. This unique identifier can be used to provide security for wireless networks. When a network uses a MAC table, only the 802.11 radios that have had their MAC addresses added to that network's MAC table are able to get onto the network.