A friend shows you how he could manage his home thermostat from their cell phone while at work. What kind of device does he have at home?

Internet of Things (IoT) devices connect and communicate with a wide range of personal and industrial devices over the Internet. The Structured Query Language (SQL) is a means of accessing data from a database. DoS is a sort of network assault, and the Encrypting File System (EFS) allows the user to encrypt individual files, folders, or volumes.