• 2022-06-17
    Flow control is one of the basic functions of the data link layer. Regarding flow control, which one is correct among following statements?
    A: Only the data link layer has flow control
    B: Not only the data link layer has flow control, but the flow control objects of each layer are the same
    C: Not only does the data link layer have flow control, but the flow control objects of each layer are different
    D: None of the above is right