What are layer 3 links?

An IP address can be dynamically assigned, meaning it can change over time. This feature provides flexibility and scalability to networks, allowing devices to be easily added or removed without disrupting the overall network infrastructure.

Layer 3 in the networking hierarchy represents the network layer, a crucial aspect of communication systems. This layer is responsible for the transfer of data packets between different networks, enabling devices to communicate across vast distances.

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The protocol used in Layer 3 is the Internet Protocol (IP), which serves as the foundation for the modern internet. IP enables devices connected to different networks to locate and communicate with each other effectively.

Devices in an IP network are uniquely identified by an IP address. This address serves as the device's identifier within the network, allowing data packets to be accurately routed to their destination.