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#1 2012-04-02 06:20:35

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GIS Analysis Interview Questions And Answers

Analysis :: GIS Data Analysis Job Interview Questions and Answers

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.

1 ► What is spatial interpolation?
2 ► Which of the following are considered the main problems facing overlay operations in GIS?
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?
4 ► What is point-in-polygon overlay?
5 ► Which of the following overlay methods would you use to calculate the length of road within a forest polygon?
6 ► Which of the following could you use a buffer operation?
7 ► What is reclassification?
8 ► What is Manhattan distance?
9 ► Which of the following spatial interpolation techniques is an example of a local, exact, abrupt, and deterministic interpolator?
10 ► What is the difference between slope and aspect?
11 ► What is location-allocation modelling?
12 ► What is the possible number of combinations in which a delivery van can visit five different points on a network?
13 ► For the Happy Valley ski resort example, which GIS analyses could be used to determine which hotels are within 200m of a main road.
14 ► A buffer zone around a point feature will be a circle.
15 ► Filtering is used on raster data to change the value of a cell based on the attributes of neighboring cells.
16 ► Filtering could be used to smooth noisy data caused by problems with data collection devices.
17 ► The Jordan method used for point in polygon analysis is also known as the Intersect method.
18 ► It is an ecological fallacy to assume that all the individuals within a defined area have the same level of income.
19 ► Exact interpolation methods are so called because they give very accurate results.
20 ► The most common use of Theissen s Polygons is to create contour lines.
21 ► Slope can be calculated from the formula S = b2 - c2.
22 ► Ray tracing is a technique used in network analysis.
23 ► ZVI is the abbreviation for Zone of Varying Intensity.

2012-04-02 06:20:35

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