By | May 23, 2019
Data Link Layer

What is Data Link Layer |Definition am7s


What is Data Link Layer:

This layer performs the most reliable delivery of data from node to node.All packets change into frames.It receive frames from network layer and gives it to physical layer. This layer synchronizes the information which is transmit over the data.
This layer also detect error in bits.This layer also remove the errors.Outgoing messages are assemble into frames in this layer.Acknowledgements is also receive after receiving of data into other layer. The main function of the this layer is to transform a raw transmission facility into a line.It appears free of undetected transmission errors to the network layer.


Data Link Layer


Functions of Data Link Layer:

The frames are the streams of bits.These streams of bits receive from the network layer.The division of stream of bits is also done by this Layer.
Physical Addressing:
This layer adds a header to the frames.These order of frames define physical address of both sender or receiver.
Flow Control:
It control the flow mechanism,it prevents traffic jam at the receiver side.
Error Control:
In this layer also help in error control.This layer also help in duplication of frames.
Access Control:
It help to give control to right device if more than 1 devices are connected.


Problem in Data Link Layer:

  • Broadcast networks, How to control access to the share channel.
  • The Medium Access Control(MAC) sub-layer cause problem.
  • Data link layer make sure to send error free data.
  • Receiving and transmitting data frames and to manage these bits.


You can read about:

What is OSI model?Explain 7 layers of OSI model.

What is physical layer of OSI model?

8 Replies to “What is Data Link Layer |Definition am7s”

  1. Studija dekora

    Keep up the superb piece of work, I read few posts on this web site and I believe that your blog is very interesting and holds circles of good information.

  2. administration services breda

    I know this if off topic but I’m looking into starting my own weblog and was curious what all is required to get setup?
    I’m assuming having a blog like yours would cost a pretty penny?

    I’m not very internet savvy so I’m not 100% certain. Any recommendations or advice would be greatly appreciated.

    Many thanks

  3. Can Bike Riding Cause Hemorrhoids

    Great post. I used to be checking continuously
    this weblog and I’m impressed! Extremely helpful info specially the last section :
    ) I care for such info much. I used to be looking for this particular information for a very long
    time. Thanks and best of luck.

  4. Hemorrhoids Management

    It’s a shame you don’t have a donate button! I’d definitely donate to this
    brilliant blog! I suppose for now i’ll settle for book-marking and
    adding your RSS feed to my Google account. I look forward to fresh updates and will share this website
    with my Facebook group. Talk soon!

  5. How to Heal Hemorrhoids

    Pretty section of content. I just stumbled upon your website and in accession capital to assert
    that I get actually enjoyed account your blog posts. Anyway I’ll be subscribing
    to your augment and even I achievement you
    access consistently quickly.


Leave a Reply

Your email address will not be published. Required fields are marked *