Which of the following is a true statement about data compression? a) There are trade-offs between file size and intended use involved in choosing a
compression technique for storing and transmitting data.
b) Data compression is only useful for files being transmitted over the Internet.
c) Sending a compressed version of a file ensures that the contents of the file
cannot be intercepted by an unauthorized user.
d) Regardless of the compression technique used, once a data file is
compressed, it cannot be restored to its original state.