In considering the responsibilities of each layer of the OSI model, what statement accurately reflects those of the Presentation layer

Well first we would need the actual diagram. perhaps you missed it?

In which career field, would the computing technology industry association's comptia a+ certification be useful?

Answerpacking;

Same issue happened to me i had 4/5 and suddenly they went down to 3/5 .the reason must be that the question u recived a brainliest answer mark, was deleted by a moderator. they can delete a question for some reason if it isn't complete or has been reported. so there for that is most likely the reason.best of hope u earn another one