Data Link Layer is second layer of OSI Layered Model. This layer is one of the most complicated layers and has complex functionalities and liabilities. Data link layer hides the details of underlying hardware and represents itself to upper layer as the medium to communicate. Data link layer work...
Data Link Layer The data link layer (Layer 2) of the OSI model actually consists of two sublayers: the Media Access Control (MAC) sublayer and the Logical Link Control (LLC) sublayer. The MAC sublayer controls device interaction. The LLC sublayer deals with addressing and multiplexing. Phy...
The data link layer provides the reliable means to transfer data between network nodes by detecting and possibly correcting errors that may occur in the physical layer. This layer has the important task of creating and managing data frames. There are usually two sublayers, Logical Link Control (...
7、ontrolMedia access controlAdds layer 2 address.Marks frame start and end.Sets up the frame header and trailer to encapsulate the packet.Identifies network layer protocol.Data Link Sub layersStandardsMedia Access Control MethodsM Rajab- 2019Shared mediumNeeds media access control.If there is no ...
1、Computer Networks1RoadmapIntroductionPhysical LayerData Link LayerTransport LayerNetwork LayerMedium Access SublayerApplication Layer2The Data Link LayerChapter 33Ch-3 The Data Link Layer3.1 Data Link Layer Design Issues3.2 Error detection and correction3.3 Elementary data link protocols3.4 Sliding 2...
1. 物理层及数据链路层 ...cations and Up Layers)物理层及数据链路层(Physical and data link layers)网络层及路由选择(Network layer and path det... www.docin.com|基于 1 个网页 2. 物理层和数据链路层 ...PROTOCOL SUITE) 27 2.3.1物理层和数据链路层(Physical and Data Link Layers) 27 2.3.2...
The idea of peer communication is now evident from the model. For instance, thedata link layers(level 2) of network subscribers communicate with each other in a common, mutually understandable language. This layer does not care about how information was physically passed over the network: that ...
Summary CCITT Rec.(ommendation) X.200 states that open system interconnection (OSI) is a reference model used to ideally permit a full range of data communications among disparate data equipment and networks. The OSI model and the data-link layer are the subjects of this chapter.关键词:OSI...
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Impersonation attack, also known as MAC spoofing, is widespread in wireless local area networks. Under this attack, the senders cannot control the device t