You try to compress a file that is already compressed. Which of the following statements is true?

You try to compress a file that is already compressed. Which of the following statements is true?

• The file will not be compressed any further than it already was
• The compression algorithm needs to be set to the “currently compressed” mode for it to be compressed further
• The file will actually be uncompressed
• The file will be deleted
• The file changed while you were compressing it