The question says.....
What correctly defined "data integrity"?
A. It guarantees that your confidential files are kept on your webserver
B. It guarantess that only specific set of users may access your confidential files.
C. it guarantess that delivery of your confidential files will not be read by malicious user.
D. It guarantees that delivery of your confindential files will not be altered during transmission.
E. It guarantees that access to your confidential files will prompt the user for their password of the web browers.
Tell me why the answer to this question is D.