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Question

Packet transmission is related to

A
Application layer
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B
Data link layer
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C
Network layer
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D
Transport layer
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Solution

The correct option is B Network layer

Packet transmission is related to network layer.

The network layer is the third level of the open systems interconnection model (OSI Model) and the layer that provides data routing paths for network communication. Data is transferred in the form of packets via logical network paths in an ordered format controlled by the network layer.

The packets carry the data in the protocols that the internet uses: Transmission control protocol/internet protocol (TCP/IP). Each packet contains part of the body of your message. A typical packet contains perhaps 1,000 or 1,500 bytes.

A network packet is a formatted unit of data carried by a packet-switched network. A packet consists of control information and user data, which is also known as the payload. In packet switching, the bandwidth of the communication medium is shared between multiple communication sessions, in contrast to circuit switching, in which circuits are preallocated for the duration of one session and data is typically transmitted as a continuous bit stream.


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