Answer:
cool about the us or the president
I think the questions that must be ask are:
a.What does “encryption” mean?
d.What are “key distribution problems”?
All the text is based on the concept "encryption" so it is very important to know what it means in order to undestand the rest of the information. If not, you will be missing important facts. In addition, there are a lot of words used that are derived from this one, so you won't be able to undestand them.
Another important concept that gives a lot of information just by knowing it's meaning is "key distribution problems", they could be two or a thousand, it is important to know what they are and what they do.
The other question that seems important is the one of the "public key cryphtography" but this one can be inferred by the context.
The answer is D, B would be correct also but I don’t agree with it making the narrator seem lonely
Seems to me that the second option looks as if it were correct. While paraphrasing and summarizing, you are trying to shorten up an original piece of writing. Giving a well developed descriptions of main ideas isn't something to look for in paraphrasing, so that's why the first option is incorrect. In addition, restating basically everything from a text is not called paraphrasing nor summarizing, and that is why I'd rather classify it as copying.
The word risk means been exposed to the possibility of loss, injury or other unpleasant situations. Risk involves uncertainty.
The word wages refers to a fixed regular payment that is given to a worker as a result of the services he rendered. It is often paid on a daily or weekly basis.
The two words can be used together in a sentence as shown below:
Accepting that job was a big risk, I was suspicious of the employer from the very beginning, when I got to know that such a big wage is offered for such a simple job requirement.
