NETWORK LAYER
NETWORK LAYER PROTOCOLS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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File
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Packet
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Frame
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Segment
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Detailed explanation-1: -Which PDU format is used when bits are received from the network medium by the NIC of a host? Answers Explanation & Hints: When received at the physical layer of a host, the bits are formatted into a frame at the data link layer. A packet is the PDU at the network layer.
Detailed explanation-2: -PDU header format The Protocol Data Unit (PDU) consists of two parts, the headers and the variable length fields. The headers comprise the PDU common header and the PDU specific header. All PDUs have the same PDU common header. The specific headers vary by PDU type.
Detailed explanation-3: -Answer: Segment When the data is received by the transport layer from the upper layer this data is divided into smaller units called segments. This unit of data is then transmitted to the next lower layer called the network layer.