Data link layer and Ethernet frame

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Difference between Data link layer and Ethernet frame

Data link layer vs. Ethernet frame

The data link layer, or layer 2, is the second layer of the seven-layer OSI model of computer networking. A data unit on an Ethernet link transports an Ethernet frame as its payload.

Carrier-sense multiple access with collision detection

Carrier-sense multiple access with collision detection (CSMA/CD) is a media access control method used most notably in early Ethernet technology for local area networking.

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Ethernet

Ethernet is a family of computer networking technologies commonly used in local area networks (LAN), metropolitan area networks (MAN) and wide area networks (WAN).

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Fiber Distributed Data Interface

Fiber Distributed Data Interface (FDDI) is a standard for data transmission in a local area network.

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Frame (networking)

A frame is a digital data transmission unit in computer networking and telecommunication.

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IEEE 802

IEEE 802 is a family of IEEE standards dealing with local area networks and metropolitan area networks.

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IEEE 802.11

IEEE 802.11 is a set of media access control (MAC) and physical layer (PHY) specifications for implementing wireless local area network (WLAN) computer communication in the 900 MHz and 2.4, 3.6, 5, and 60 GHz frequency bands.

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IEEE 802.2

IEEE 802.2 is the original name of the ISO/IEC 8802-2 standard which defines logical link control (LLC) as the upper portion of the data link layer of the OSI Model.

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Logical link control

In the IEEE 802 reference model of computer networking, the logical link control (LLC) data communication protocol layer is the upper sublayer of the data link layer (layer 2) of the seven-layer OSI model.

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MAC address

A media access control address (MAC address) of a device is a unique identifier assigned to a network interface controller (NIC) for communications at the data link layer of a network segment.

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OSI model

The Open Systems Interconnection model (OSI model) is a conceptual model that characterizes and standardizes the communication functions of a telecommunication or computing system without regard to its underlying internal structure and technology.

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Physical layer

In the seven-layer OSI model of computer networking, the physical layer or layer 1 is the first and lowest layer.

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Quality of service

Quality of service (QoS) is the description or measurement of the overall performance of a service, such as a telephony or computer network or a cloud computing service, particularly the performance seen by the users of the network.

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Syncword

In computer networks, a syncword, sync character, sync sequence or preamble is used to synchronize a data transmission by indicating the end of header information and the start of data.

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Token ring

MAU b) Using several MAUs connected to each other Token ring network IBM hermaphroditic connector with locking clip Token Ring local area network (LAN) technology is a communications protocol for local area networks.

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Virtual LAN

A virtual LAN (VLAN) is any broadcast domain that is partitioned and isolated in a computer network at the data link layer (OSI layer 2).

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