Which main IoT migration aspect should be reviewed for a manufacturing plant?

Manufacturing plants rely on sensors to monitor machinery, production lines, environmental conditions, and process variables such as temperature and pressure. During an IoT migration, reviewing existing sensors - including their protocols, connectivity types, power requirements, and data output formats - is the most critical step because sensors are the fundamental data sources that determine the architecture, compatibility requirements, and integration approach for the entire IoT solution.

Security is a universal concern for all IoT deployments across all verticals and is not the primary migration aspect unique to a manufacturing plant environment.

Applications consume data produced by sensors and are a secondary consideration that depends on first understanding what sensor data is available and in what format.

Wi-Fi infrastructure is one possible connectivity option but manufacturing IoT frequently uses wired protocols or industrial wireless standards, making it not the primary review aspect.

Ethernet switches are general network infrastructure components and reviewing them is a secondary networking concern rather than the primary IoT-specific migration aspect for a manufacturing plant.