Question

"If you import data and want to update the slide when the original data changes, you must _____."

Answer 1

Refresh the current object

Answer 2

"Link the data".

Explanation :    

Copying and pasting is a simple way to update new information on the old one, but it is been an old method.

Linking the data change the place or the type of data so that it's automatically changed or embeds the data so that when you open the file or the content has changed itself automatically.

So while importing the new data and wanting to update the slide when the original data changes, you must link the data.