GST 101 - Module 7 Self-assessment Quiz
Self-assessment quiz for GST 101 - Module 7 - Basic Geospatial Analysis Techniques
Questions and Answers
- 1.
Selection of features based on attributes in the attribute table is a spatial selection.
- A.
True
- B.
False
Correct Answer
B. FalseExplanation
Selecting features based on attributes is an aspatial selection. As attributes only contain non-spatial descriptive information, selections only using such attributes is not a spatial selection.Rate this question:
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- 2.
A buffer is a region that is greater than or equal to a distance from features.
- A.
True
- B.
False
Correct Answer
B. FalseExplanation
A buffer is a region that is less than or equal to a distance from features.Rate this question:
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- 3.
In a clip operation, the geometry from both the clipping layer and data layer are transferred to the resulting layer.
- A.
True
- B.
False
Correct Answer
B. FalseExplanation
In a clip operation, only the geometry from the data layer is transferred to the resulting layer. Think of a clip operation like cutting cookies from cookie dough. You don't transfer the cookie cutter to the pan to bake, so you don't transfer the geometry of the clipping layer to the resulting layer.Rate this question:
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- 4.
Sliver polygons are, typically, insignificant polygons that are created when two layers are overlaid but have slightly different geometries along a common boundary.
- A.
True
- B.
False
Correct Answer
A. TrueExplanation
Sliver polygons are often created after overlay operations between two data sets whose boundaries are close, but don't line up exactly.Rate this question:
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- 5.
When two tables are intersected, the output table contains all records from both tables
- A.
True
- B.
False
Correct Answer
B. FalseExplanation
An intersection of two tables only keeps the records from both tables that match.Rate this question:
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- 6.
Linear Geocoding is generally much more accurate than area geocoding.
- A.
True
- B.
False
Correct Answer
B. FalseExplanation
Linear geocoding is generally less accurate than area geocoding.Rate this question:
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- 7.
The result of the Boolean expression: True AND True is True.
- A.
True
- B.
False
Correct Answer
A. TrueExplanation
True AND True is True.Rate this question:
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- 8.
A dissolve operation combines similar features within a data layer based on an attribute.
- A.
True
- B.
False
Correct Answer
A. TrueExplanation
Dissolving features with a shared attribute creates a single feature.Rate this question:
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Current Version
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Mar 19, 2023Quiz Edited by
ProProfs Editorial Team -
Sep 18, 2016Quiz Created by
Rickasmith
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