My opinion is the answers A and D. I would choose A if you can only choose one, though.
Answer:
C: The protocols of the Internet are open and used by all devices connected to the network
Explanation: Hope this helps.
There are billions of devices connected to the Internet, and hundreds of different kinds of devices: laptops, tablets, phones, refrigerators, handheld credit card readers, and so on. Protocols (standards) ensure that the variety of devices interact with each other smoothly. There are a lot of protocols! The Internet was designed with several layers of abstraction that sort the protocols according to what part of the process they support.
<span>You can delete any content control by Right Clicking it, and then clicking remove content control on the menu that opens.</span>
You shood just be able to tern it on
