20 important GIS Test and Interview Questions with Detailed Answer.

15 Important GIS Test Interview Q & A.: [ Ссылка ]

1. What is the difference between GIS and CAD?
2. Can you explain the concept of geocoding and give an example of how it might be used in a GIS application?
3. How do you convert a raster dataset to a vector dataset in a GIS system?
4. What is topology in GIS and how is it used?
5. Can you explain the concept of georeferencing and give an example of how it might be used in a GIS application?
6. What are some common file formats used in GIS applications and what are their advantages and disadvantages?
7. How do you create a thematic map in a GIS system, and what are some best practices for doing so?
8. Can you explain the difference between GPS and GIS, and how they are used together?
9. What are some common methods for spatial data analysis, and how are they used in GIS applications?
10. Can you explain the concept of metadata in GIS and why it is important?
11. How do you measure distance between two points on a map in a GIS system?
12. Can you explain the concept of map projections and give an example of how it might be used in a GIS application?
13. How do you calculate the area of a polygon in a GIS system?
14. Can you explain the difference between a raster and a TIN in a GIS system?
15. How do you create a buffer zone around a point, line or polygon feature in a GIS system?
16. What are some common GPS data collection techniques and how are they used in GIS applications?
17. What is the difference between a GIS database and a traditional database?
18. How do you add a new layer to a GIS project, and what are some best practices for doing so?
19. Can you explain the difference between a choropleth map and a graduated symbol map in a GIS system?
20. What is a geodatabase in a GIS system, and how is it used?

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