GIS interview questions and answers

What is GIS?
What is remote sensing?
A bit about Image processing.
What is Georeferencing?
The role of GPS in GIS.
What are projections?
What is cartography? (Questions on map elements like scales, legends etc:)
Data structures that can hold spatial data. (Raster, Vector, …)
Examples of what can be achieved by GIS? (Geocoding or Network oSpatial Analysis giving real life examples)
Open Standards related to GIS. (OGC or otherwise)