QUESTIONS GRADED A+
● A vector data model uses which of the following coordinate pairs to
build curvature within a line? (best answer)
A. Verticies
B. Points
C. Floating points
D. Nodes. Answer: A. Verticies
● GIS differs from surveying and mapping by introducing (best answer)
A. Attribute description
B. Spatial Analysis
C. Location determination
D. Temporal Information. Answer: B. Spatial Analysis
● What is a datum? (best answer)
A. mathematical model
B. The mathematical model related to a real world feature
C. Real world features projected with minimum distortion from a round
earth to a flat map
,D. A system of coordinates. Answer: B. The mathematical model related
to a real world feature
● Which method is used to align an un-referenced dataset with one that
has spatial reference information? (best answer)
A. Scaling
B. Reprojecting
C. Georeferencing
D. defining projections. Answer: C. Georeferencing
● Control points are best described as (best answer)
A. Areas on the map where projection can easily change
B. Points on the map that do not have a spatial refernce
C. Points in the data that share the same datum, no matter how the
datasets are altered
D. Common locations used in aligning two datasets. Answer: D.
Common locations used in aligning two datasets
● In a map showing contours, the name of the darker contour lines is
(best answer)
A. index contours
B. key contours
C. Lines of deviation
, D. Lines of elevation. Answer: A. index contours
● Imaginary lines on a map that represent areas of constant elevation are
(best answer)
A. Bands
B. Contours
C. Digital line graphs
D. Collars. Answer: B. Contours
● What do thematic maps include? (best answer)
A. Thematic content and spatial location
B. USGS
C. Elevation
D. Spatial Attributes. Answer: A. Thematic content and spatial location
● If you are making a web map of sampling locations, streams and
watershed areas, in what order would you place the layers on the map?
(best answer)
A. Sampling locations, wetland areas, streams
B. Streams, wetland areas, sampling locations
C. Sampling locations, streams, wetland areas
D. It doesn't matter what order they are in. Answer: C. Sampling
locations, streams, wetland areas