Question: QUESTION 1 Hash functions do which of the following: a. Take a big file and make it into a smaller output. b. Take a small

QUESTION 1

Hash functions do which of the following:

a.

Take a big file and make it into a smaller output.
b.

Take a small file and make it into a bigger message.
c.

Decrypt a message to make it easily readable.
.d

Convert the input file into a number between 1 and one million

Which of the following is true about the relationship between a file and the hash of the file?

a.

If you hash the same input file, sometimes you get a different output.
b.

If you use hash two files, you can recover both using their hash functions.
c.

If you hash a file and then lose the file, you can recreate the file from the hash function.
d.

The hash function generates a unique output which is generated by that input file.

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