Internet of Things (IoT) Practice Exam 2025 – Comprehensive Prep Resource

The correct answer describes the likely path that data follows when uploading a photo from a camera to a social media site. It starts with the end device, which in this case is the camera or the device used to upload the photo. This device sends the information to a controller, which could refer to a local device like a router or another intermediary that manages the data before it is sent out.

Next, the data travels from the controller to the modem. The modem converts digital data from the end device into a format that can be sent over the internet, allowing it to interface with the internet service provider (ISP). The ISP is responsible for routing the data out of your local network and onto the broader internet, which involves passing it through various networks and routers to reach the destination.

After this, the data reaches the social media site's ISP, which then guides the data to the social media site's server. This server is responsible for processing the uploaded photo and making it accessible on the social media platform. The sequence shows a clear flow of data from the initial upload to its final destination.

This answer illustrates the flow of information through the various necessary components and networks involved in the process. Understanding this path emphasizes the interconnectedness of devices and services in the internet infrastructure