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The area to the left was digitized by a “GIS Intern” and you were asked to “build” the topology. The software informs you that there is a label error. The label error could be the result of one of two things. Examine the diagram and choose one of the two possible errors.
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Upper case text not allowed
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Polygon with two labels not allowed
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Unsnapped vertices
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Incorrect polygon geometry
Frage 2
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A street would be an example of what kind of data type?
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Point
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Line
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Polygon
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Raster
Frage 3
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96º 30' 00” is an example of what coordinate format?
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Degrees minutes seconds
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Decimal degrees
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Decimal minutes
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State plane
Frage 4
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A map projection is intended to
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Correct for errors between the WGS 84 and Clark 1866 ellipsoids
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Correct for errors when transforming spherical to planar coordinates
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Correct for errors when converting between raster and vector data
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Correct for errors in the digitizing process
Frage 5
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A fire hydrant would be an example of what kind of data type?
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Point
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Line
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Polygon
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Raster
Frage 6
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The following Venn diagrams illustrate the three Boolean operators common to GIS overlay operations. Match the operation name with the graphic it corresponds to.
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Intersection
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Union
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Exclusive-or [XOR]
Frage 7
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A City council district would be an example of what kind of data type
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Point
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Line
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Polygon
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Raster
Frage 8
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96º 32.00' is an example of decimal minutes coordinate format.
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- True
- False
Frage 9
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You have been asked to find address points within 100 feet of a fire hydrant. What kind of GIS operation would you perform?
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Spatial join
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Buffer
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Thiessen
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Clip
Frage 10
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96.500º is an example of what coordinate format?
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Degrees Minutes seconds (DMS)
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Decimal Degrees
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Decimal minutes
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State Plane
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The two common data models used in GIS are raster and vector. Below are a list of advantages and disadvantages of each data type. Select the characteristics that describe the RASTER data model below.
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Large storage requirements
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High spatial variability efficiently represented
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Better suited to image manipulation
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Smaller storage requirements
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Better suited to network analysis
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Poorly represents high spatial variability
Frage 12
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The two common data models used in GIS are raster and vector. Below are a list of advantages and disadvantages of each data type. Select the characteristics that describe the VECTOR data model below.
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Large storage requirements
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High spatial variability efficiently represented
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Better suited to image manipulation
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Smaller storage requirements
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Better suited to network analysis
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Poorly represents high spatial variability
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