GIS Data Analysis Interview Preparation Guide
Download PDF
Add New Question

GIS Data Analysis Interview Questions and Answers will guide us now that Geographic Information System (GIS), or Geographical Information System, is any system that captures, stores, analyzes, manages, and presents data that are linked to location. Technically, a GIS is a system that includes mapping software and its application to remote sensing, land surveying, aerial photography, mathematics, photogrammetry, geography, and tools that can be implemented with GIS software. Learn GIS Now.

23 GIS Analysis Questions and Answers:

1 :: What is spatial interpolation?

► 1. The process of establishing values for areas outside the boundary of an existing set of data points.
► 2. The process of modelling spatial pattern from a set of one or more data layers
► 3. The process of establishing values for areas between an existing set of discrete observations
► 4. The process of establishing a statistical relationship between two spatially correlated variables

The process of establishing values for areas between an existing set of discrete observations.
Post Your Answer

2 :: Which of the following are considered the main problems facing overlay operations in GIS?

► 1. Selecting threshold criteria
► 2. Topological inconsistencies
► 3. The Modifiable Arial Unit Problem (MAUP)
► 4. Processing overheads
► 5. Visual complexity

Selecting threshold criteria
The Modifiable Arial Unit Problem (MAUP)
Visual complexity
Post Your Answer

3 :: Assuming a pair of binary raster data layers, which of the following could be used as the equivalent of a Boolean AND overlay in cartographic modelling?

► 1. Layer 1 – layer 2
► 2. Layer 1 + layer 2
► 3. Layer 1 / layer 2
► 4. Layer 1 * layer 2

Layer 1 – layer 2
Layer 1 + layer 2
Layer 1 * layer 2
Post Your Answer

4 :: What is point-in-polygon overlay?

► 1. A method interpolating point data
► 2. An overlay method used to determine which points lay within the boundary of a polygon
► 3. An overlay method used to determine the distance between a point and it is nearest neighboring polygon
► 4. An overlay method used to reclassify polygon data

An overlay method used to determine which points lay within the boundary of a polygon
Post Your Answer

5 :: Which of the following overlay methods would you use to calculate the length of road within a forest polygon?

► 1. Erase
► 2. Union
► 3. Line-in-polygon
► 4. Point-in-polygon

Line-in-polygon
Post Your Answer
Add New Question