Please answer all question and with a correct response! I really need these poin

Question

Please answer all question and with a correct response! I really need these points!

Thanks

Which of the OSI model layers has the main purpose of defining and negotiating data formatting? Data link layer Presentation layer Physical layer Network layer Transport layer Application layer Session layer Why is TCP/IP the defacto standard protocol suite in use today Governments mandates it The internet uses it There were no competing protocols It's the easiest to work with What name is given to the process of enclosing data with headers and trailers as the data is moved down the TCP/IP model? Encryption Inclosing Condensing Encapsulation

Explanation / Answer

42. Presentation Layer.

43. Because the internet uses it.

44. Encapsulation.

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