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Question: 1 / 1980

What does the Network Access Layer in the TCP/IP model encompass?

Application services for users

The combination of layers 1 and 2 of the OSI model

The Network Access Layer in the TCP/IP model encompasses the functions and protocols associated with the physical and data link layers as defined by the OSI model, which correspond to layers 1 and 2. This layer is responsible for the transmission of raw data bits over a physical medium and the framing, addressing, and control of data packets. It includes protocols that dictate how data is encapsulated for transmission, how devices on the same network communicate, and how network access is managed at a physical level.

This understanding illustrates the foundational role that the Network Access Layer plays in enabling communication across different types of networks, allowing devices to effectively send and receive data. It forms the basis for higher-level functions, which are outside the scope of this layer, such as application services and network management.

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Network monitoring and management policies

Access control mechanisms for user permissions

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