What type of messages are sent through Squeaks DataLinks?

Squeaks DataLinks are designed to facilitate real-time communication by sending various types of messages. The most encompassing term among the options, "messages," effectively captures the broad range of communication that can occur within the DataLinks framework. This includes not only notifications and alerts but also logs and other forms of data transmission that are integral for ensuring connectivity and data flow within the context of the IIoT framework.

Choosing "messages" as the correct answer reflects an understanding that Squeaks DataLinks serve as a conduit for multiple forms of information exchange, emphasizing their role in enabling dynamic and interactive data sharing in an Industry 4.0 environment. This understanding is crucial for utilizing the capabilities of DataLinks effectively, as it encompasses all forms of communication rather than limiting it to a specific type.

Other options, while related, do not fully capture the comprehensive nature of what DataLinks facilitate, making "messages" the most accurate choice.