Physical layer - Constructs the cabling and or wireless spectrum, Data Link layer - Responsible for error-free delivery of data to the node in question, Network layer - Responsible for data transmission between different networks, Transport layer - Provides services to the application layer and receives services from the Network layer. Also responsible for reliability, Session layer - Establishes a secure connection while providing maintenance and authentication, Presentation layer - End-to-end encryption for data, Application layer - Provides services to user,

OSI Model

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