Frame synchronization performed by mac sublayer
Network Layer 3 This layer provides switching and routing; creating virtual circuits, for transmitting data from node to node.
Routing and forwarding are functions of this layer, as well as addressing, internetworking, error handling, congestion control and packet sequencing. The best known layer 3 protocol is the Internet Protocol. Data Link Layer 2 At this layer, data packets are encoded and decoded into bits. Bridges and switches operate at this layer.http://ebtesam-k.com/includes/iphone-spy/google-phone-spy-software-ratings.php
It furnishes transmission protocol knowledge and management and handles errors in the physical layer, flow control and frame synchronization. The MAC sublayer controls how a computer on the network gains access to the data and permission to transmit it.
The LLC layer controls frame synchronization, flow control and error checking. Physical Layer 1 This layer conveys the bit stream through the network at the electrical and mechanical level.
Communication Networks/Error Control, Flow Control, MAC - Wikibooks, open books for an open world
It provides the hardware means of sending and receiving data on a carrier. Ethernet and ATM are protocols with physical layer components.
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This layer supports application and end user processes. This layer provides independence from differences in data representation by translating from application to network format, and vice versa. This layer establishes, coordinates, and terminates communications between applications at each end.
Data Link Layer
This layer provides transparent transfer of data between end systems, or hosts, and is responsible for end-to-end error recovery and flow control. Ethernet header contains both Source and Destination MAC address, after which the payload of the frame is present. The last field is CRC which is used to detect the error.
Standard IEEE Although length field is missing in Ethernet II frame, the frame length is known by virtue of the frame being accepted by the network interface. Practicing the following questions will help you test your knowledge. It is highly recommended that you practice them.
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Please write comments if you find anything incorrect, or you want to share more information about the topic discussed above. Writing code in comment? Please use ide. Ethernet IEEE Initially, PRE Preamble was introduced to allow for the loss of a few bits due to signal delays.