Potential GIS Interview Questions

The following GIS interview question examples, that you might find useful during interview preparation, were posted on the osgeo forum today:

• What is GIS?
• Application of GIS?
• Sources of GIS data?
• Differentiate between Raster and Vector Data?
• What are the characteristic of a good map?
• What is projection?
• What are different projection systems and what is the difference between projected coordinate systems and geographic coordinate system
• What is a scale?
• What is geocoding?
• What is reverse geocoding?
• What is geo-referencing?
• What is geo-processing?
• What is ArcSDE?
• What is GPS ?
• Explain steps required to establish a GIS platform for an organisation (if it does not already exist in a organisation)?

A few more technical database and software development orientated questions:

• Define versioning and list its main events?
• What is Callback in ArcGIS Server?
• Explain security model employed in ArcGIS Server?
• How do you load data into SDE?
• How tol create a SDE view?
• What is difference between queryfilter and querydef?, when to use?
• Difference between IFeatureLayer and Layer?
• What is generic class used to hold a set of properties for database connection?
• Give few command line ArcSDE commands?
• Difference between personal geodatabase and enterprise geodatabase?
• What is BLOB?
• What is difference between overriding and overloading?
• Difference between abstract class and interface?

Please note that these are only a few typical questions, of course many more exist.