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The transport layer segments data whenever the size of the packet is too large to transport efficiently--in practice, this happens whenever the data is too large to fit in a single network layer packet. Although the network layer can also fragment packets, the process is inefficient and generally the transport layer segment size is adjusted so that no further division is required in the network layer.
Much more details are here:
http://en.wikipedia.org/wiki/TCP_header#Maximum_segment_size
What else can I help you with?
Which OSI layer does TCP operate?
TCP and UDP are transport layer protocols; the OSI layer is layer 4 (transport)
Which OSI layer ordered data reconstruction services?
transport layer
Which layer of the OSI model is responsible for issuing acknowledgements?
transport layer
Where do transport layer processes occur?
transport layer processes occur between the applicaitoin layer and internet layer of the TCP/IP and between the session layer and network layer of the OSI model.
What are design issues of transport layer?
A transport layer is the backbone of TCP/IP and the Internet. In this day and age, there are not design flaws in the system. The design of transport layer incorporates data stream with transmission.
Which Segmentation of a data stream happens at which layer of the osi odel?
Segmentation of data happens at transport layer. Because transport layer is responsible for successful transportation of data through out the network.
Which layer of the OSI seven-layer model controls the assembly and disassembly of data?
The Transport layer (layer 4) handles segmentation and reassembly of the data.
What are the primary functions specified by all transport layer protocol?
Conversation Multiplexing Segmentation and Rassembly Error Checking
What is the middle layer of the OSI reference model?
Middle layer of osi model is Transport layer functions: 1.Segmentation of data 2.connection managment 3.flow control of data 4.Error checking
Which osi layer manages data segment?
transport layer
Which OSI layer uses a connection-oriented protocol to ensure reliable delivery of data?
transport layer
Which OSI layer does TCP operate?
TCP and UDP are transport layer protocols; the OSI layer is layer 4 (transport)
The two DARPA transport layer protocals are?
Application layer, and Transport layer.
Which OSI layer ordered data reconstruction services?
transport layer
Which layer of the OSI model is responsible for issuing acknowledgements?
transport layer
Which layer of the alimentary canal is responsible for segmentation and peristalsis?
the smooth muscles are responsible for perstalsis and segmentation, so that means its the muscularis externa. :)
Does TCP operate at the transport layer?
TCP operates at transport layer
