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because in the data link layer two routers communitate directly via a physical channel , whereas at the transport layer this physical channel is replaced by the entire subnet. In the data link layer ,it is not necessary for a router to specify which router it wants to talk to each outgoing line uniquely specifies a panicular router . In the transport layer explicit addressing of destinations is required.
What else can I help you with?
What layer of the OSI model does RTP operate?
It is on the Session layer. Layer 5. RTP has no transport mechanism. If you think of SIP communications (set-up and break down of VoIP calls) this is done via RTP packets. RTP is encapsulated within UDP (for transport) and therefore resides at a layer above the transport layer (layer 4).
Which layer of the OSI model supplies services that allow user to interface with the network?
The Seven layers of the OSI model are: Application Presentation Session Transport Network Data-Link Physical I think the answer to your question is the Application layer.
How does the network layer in a connection-oriented packet-switching network differ from the network layer in a connectionless packet switching network?
An upper-layer packet is split into 10 frames, each of which has an 80 percent chance of arriving undamaged. If no error control is done by the data link protocol, how many times must the message be sent on average to get the entire thing through? An connection-oriented service (like TCP) does error checking and requests data to be resend. The packet has several options for error free transport. Connectionless service (think UDP) does not check for undamaged arival. It has a much smaller packet size and is also faster.
Which three layer of the osi model make up the application layer?
The three layers that I could think of are User interface, Client side, and server side.
Which two functions of the OSI model occur at layer 2?
physical addressing media access control
What layer of the OSI model does RTP operate?
It is on the Session layer. Layer 5. RTP has no transport mechanism. If you think of SIP communications (set-up and break down of VoIP calls) this is done via RTP packets. RTP is encapsulated within UDP (for transport) and therefore resides at a layer above the transport layer (layer 4).
Which layer of the OSI model supplies services that allow user to interface with the network?
The Seven layers of the OSI model are: Application Presentation Session Transport Network Data-Link Physical I think the answer to your question is the Application layer.
What is another name for relative error?
You think probable to percent error.
What is convinience?
i think it is transport...
What is layer of deposited layer of rock and soil?
i think its sediment
How do you detect domestic gas leaks?
i think there is a sound
Can jagex detect autoclickers?
no i dont think so
How many standards of DVD recordable media is there?
Single Layer, Dual Layer, Quad Layer i think
In which layer of the atmosphere do we live?
The layer we live in is the Troposphere.~ SSKaws24TMi think it is troposphere.
Which layer in the atmosphere do live in?
The layer we live in is the Troposphere.~ SSKaws24TMi think it is troposphere.
Can a metal detector detect gold?
no there was no electricity i think
What are different opinions on energy efficient transport?
I think Bicycle is the most energy efficient transport.
