Question: 1. Explain the difference between the ArcMap functions Data -> Export Data.... and Save as Layer File . Provide one reason for using each. 2.

1. Explain the difference between the ArcMap functions "Data -> Export Data...". and "Save as Layer File" . Provide one reason for using each.

2. Explain how you would create a buffer around roads in a map file where the length of the buffer varied according to road type, and what would be the most efficient way to organize your data so that the buffer lengths for each road could be easily changed.

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