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Differences between data link layer and network layer

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Differences between data link layer and network layer

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The data link layer handles communication between systems on the same local network. The network layer handles communication between systems on different local networks and allows those packets to be routed between the two.

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There are two MAC addresses that are given to the data through the Data Layer. There is a SRC MAC (Source) and DES MAC (Destination). The MAC addresses state where the data came from and where it is going (which is read by the above and below layers

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How is it connected to the above and below layerz??!!?!?!

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How is it connected to the above and below layerz??!!?!?!

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Going up (Physical to Data Link)

The bits sent from the physical layer, gets converted from bits into packets

Going down (Data Link to Network)

Turns the packets recieved from the Network layer into bits that are readable to the physical layer

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MAC: controls how the computer on the network gains access to the data and permission to transmit it.

LCC: Controls the frame flow control and error checking and synchronization (synchronize a set of data between two devices).

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CCNA 1 DATA LINK LAYER Fundamentals CHAPTER SEVEN

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The second-lowest layer (layer 2) in the OSI Reference Model stack is the data link layer, often abbreviated "DLL" (though that abbreviation has other meanings as well in the computer world). The data link layer, also sometimes just called the link layer, is where many wired and wireless local area networking (LAN) technologies primarily function.

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1. Data link layer has two sub-layers:

Logical Link Control: It deals with protocols, flow-control, and error control

Media Access Control: It deals with actual control of media

2. divides output data into data frames, a data frame is used for storing data tables. It is a list of vectors of equal length.

# data[].attributes.body
1. 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.

2. Data link layer works between two hosts which are directly connected

3. Data link layer has two sub-layers:

Logical Link Control: It deals with protocols, flow-control, and error control

Media Access Control: It deals with actual control of media