Certified Information Systems Security Professional (CISSP) Practice Exam 2025 – All-in-One Guide to Mastering Your Certification!

Data Terminal Equipment (DTE) refers to devices that act as a source or sink for data in a communication network, most commonly associated with the end points in a communication link. In essence, it refers to any terminal that communicates with a data communication circuit, which includes devices like computers, printers, and any other peripheral that requires data input or output.

The reason this choice is accurate is that a network terminal is fundamentally the point where data is either entered or received in a network, establishing the interface between the user and the network. DTE typically connects to Data Communication Equipment (DCE) through protocols and standards governing data transmission, such as RS-232 for serial communication.

The other choices refer to different concepts that are not directly related to the function or definition of DTE. A wireless communication method involves transmission without physical connections, often utilizing radio waves, rather than the wired or direct connections associated with DTE. A routing protocol represents the rules and procedures used by routers to determine the best paths for data transfer, which is not pertinent to terminal equipment itself. A type of encryption deals with securing data by converting it into a code to prevent unauthorized access, which does not relate to the definition of terminals in a network context. Therefore, the best