関連ワード:  data link layer and transport layer difference    data link layer and transport layer    difference between data link layer and transport layer in computer network    data link layer vs transport layer    flow control in data link layer and transport layer    error control in data link layer and transport layer    data link layer network layer transport layer    which feature does the data link layer and transport layer have in common    the layer between the data link layer and transport layer is    difference between flow control in data link layer and transport layer