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what are the congestion prevention policy on network lay

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In which OSI layer does congestion occurs?

congestion is Traffic in excess of network capacity. it occurs network layer and it is one of the function of network layer.


Which layer is done by congestion control?

at the network layer, congestion control mechanism takes place


Which layer of the OSI can route packets to eliminate problems like network congestion?

If you are talking strictly about routing, then layer 3 (the Network layer). There are some routing protocols, usually known as link-state routing protocols that are aware of network congestion problems and can re-route as necessary. Network congestion is not restricted to routing alone, however. At layer 4 (Transport Layer) there is a facility known as flow control, which can pause a sending network if the receiving network is too busy to accommodate all the packets.


Which set of policies adheres to the hierarchical network model design principles?

Policies that adhere to the hierarchical network model design principles typically include segmentation of the network into distinct layers—core, distribution, and access. This structure promotes scalability, reliability, and efficient traffic management by centralizing routing at the core layer, distributing policies at the distribution layer, and managing endpoint access at the access layer. Additionally, these policies often emphasize redundancy and fault tolerance to ensure high availability and performance across the network. Overall, the focus is on clear separation of roles and responsibilities within each layer to optimize network functionality.


Which layer is absent in broadcast network?

network layer


Which network layer protocol is responsible for routing packets on the network?

The network layer is the layer that is responsible for routing packets on the network. This is the layer in which Internet protocol operates. In the seven layer OSI model, the network layer is the third layer from the bottom.


What layer programs access the network?

Network Layer


Which layer is the network support layer?

Physical, Data link and Network layers make the Network Support layers.


What is layered network?

A layered network, or a network layer, is the set up of how data is sent over a network. Each layer has it's own responsibility by either capturing the data or routing it to a computer on the network.


Which layers of the OSI Reference Model provides for inter network connectivity?

Network Layer


What is the highest layer of the OSI model used by router?

Router works in Network Layer of OSI model


Are frames in the network layer?

No. Frames are used on the data-link (layer 2) layer. Packets are used at the Network (layer 3) layer.