Which of the following is the protocol that devices use to communicate with each other over the Internet?
Select the correct answer and click Get Feedback.
One of your answers is incorrect.
PSTN is the technology used for landline telephones.
One of your answers is incorrect.
An ISP (Internet Service Provider) is a company that sells Internet access to consumers.
One of your answers is incorrect.
ARPA (now known as DARPA) is a research branch of the U.S. Department of Defense.