TCP/IP Question: Explain What is the PDU of "Network layer" and "Data link layer"? TCP/IP Protocol Interview QuestionAnswer: PDU for Network Layer is: "Packet" and PDU for Data Link Layer is :"Frame"128 bit in tcp ip Previous QuestionNext QuestionExplain How many hosts can be on each network? Consider a fixed subnet partition of a class B network number that will accommodate at least 76 networks.?Explain How do applications coexist over TCP and UDP?