Question

if you see a ! next to a layer that means that _________.
a) the link to the reference data is broken
b) the map units are wrong
c) the projection is wrong
d) the data is corrupt

Explanation:

In GIS software, a red exclamation mark next to a layer typically indicates that the software can no longer access the original reference data source, meaning the link to that data is broken. Issues with map units, projection, or corrupted data show different error indicators or behaviors.

Answer:

A) the link to the reference data is broken