関連ワード:  data link layer and physical layer    difference between data link layer and physical layer    data link layer vs physical layer    devices operating in data link layer and physical layer    data link layer addresses are logical and network layer addresses are physical    the ethernet a local area network data link layer and physical layer specifications    ethernet operates in the data link layer and the physical layer    physical layer and data link layer in computer network    the nic is in the data link layer and the physical layer    provides data link layer addressing and is integrated with various physical layer technologies