Which two statements about the purpose of the OSI model are accurate? (Choose two)

A primary purpose of the OSI model is to precisely define the specific network functions and services that are performed at each of its seven distinct layers, from the physical transmission to application-level interaction.

The OSI model facilitates a standardized, modular way to conceptualize and understand the complex process of how data and information traverse and interact across different network components and protocols.

While the OSI model aims for modularity and isolation, changes or failures in one layer (especially lower layers) can indeed impact the functionality and operations of other layers above it.

The OSI model itself does not inherently ensure reliable data delivery; rather, it provides a framework where specific protocols and mechanisms at certain layers (e.g., the Transport layer) are responsible for ensuring reliability.