Introduction to Geographic Information Systems Chang 9th Edition- Test Bank
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Sample Test
Introduction to Geographic Information Systems, 9e (Chang)
Chapter 3 Vector Data Model
1) List the three types of simple features used in GIS and their
geometric properties.
2) Name the three vector data formats that Esri has developed
since the 1980s.
3) Use a diagram to explain the topological relationships of
connectivity and contiguity.
4) List the main advantages of using topology-based data sets in
GIS.
5) What are nodes?
6) Explain persistent vs. on-the-fly topology in GIS.
7) What are the main advantages of using non-topological vector
data such as shapefiles?
8) Summarize the difference between the object-based data model and
the georelational data model.
9) Define “property” and “method” as used in the object-based
data model.
10) Explain the class relationship of type inheritance.
11) Explain the concept of interface in object-oriented
technology.
12) Describe the hierarchical structure of data sets stored in a
geodatabase.
13) What is ArcObjects?
14) Describe an example, in which you would consider using the
geodatabase, rather than the shapefile, for a GIS project?
15) Provide an example of polygon features that can benefit from
enforcing the topology rule of “must not overlap.”
16) Provide an example of line features that can benefit from
enforcing the topology rule of “must not intersect.”
17) Draw a small TIN to illustrate that it is a composite of simple
features.
18) List two differences between simple polygons and regions.
19) The TIGER database is topology-based.
Answer: TRUE
20) Which of the following is true about the vector data model?
1. A)
The model is also called the discrete object model.
2. B)
The model uses x-, y-coordinates to store
the geometry of spatial features.
3. C)
The model uses points, lines, and polygons to represent simple spatial
features.
4. D)
The model is also called the discrete object model and uses points, lines, and
polygons to represent simple spatial features.
5. E)
All of these are correct.
Answer: E
21) Which of the following topological relationships describe
the arc-node relationship in the coverage model?
1. A)
connectivity
2. B)
area definition
3. C)
contiguity
Answer: A
22) Which of the following statements is not true about the
polygon feature?
1. A) A
polygon is a two-dimensional object.
2. B) A
polygon has the properties of area and boundary.
3. C) A
polygon may form a hole within another polygon.
4. D)
None of these is correct
Answer: D
23) A stream is more likely to be represented as a single line
on a 1:100,000 scale map than a 1:24,000 scale map.
Answer: TRUE
24) Which of the following objects is not part of the vector
data model in ArcGIS?
1. A)
point
2. B)
line
3. C)
area
4. D)
volume
Answer: D
25) Which of the following is true about a line feature?
1. A) A
line feature is made of lines.
2. B) A
line connects two end points.
3. C)
The shape of a line is made of connected points.
4. D) A
line feature is made of lines and the shape is made of connect points.
5. E)
All of these are correct
Answer: E
26) Shapefiles are not topology-based.
Answer: TRUE
27) Which of the following best describes the relationship
between census tracts and census block groups?
1. A)
Association
2. B)
Aggregation
3. C)
Type inheritance
4. D)
None of these are correct
Answer: B
28) The m values
in polylines represent:
1. A)
the length of a line segment
2. B)
the symbol of a route
3. C)
the linear measure along a route
4. D)
the number of points that make up a line segment
Answer: C
29) All feature classes in a feature dataset:
1. A)
must have the same coordinate system.
2. B)
must contain point features.
3. C)
must contain polygon features.
4. D)
must be converted from shapefiles.
Answer: A
30) A feature class can be stored in a geodatabase as a
standalone feature class.
Answer: TRUE
31) Which of the following statements is true about the topology
rules in ArcGIS?
1. A)
Topology rules only apply to features within a feature class.
2. B)
Topology rules only apply to features between two or more feature classes.
3. C)
Topology rules can apply to features within a feature class or between two or
more feature classes.
Answer: C
32) One can build a geodatabase in ArcGIS by importing coverages
and shapefiles.
Answer: TRUE
33) Which of the following statements is not true about the
geodatabase?
1. A) A
geodatabase can be designed for single or multiple users.
2. B) A
single-user geodatabase can be a personal geodatabase or a file geodatabase.
3. C) A
personal geodatabase stores data in a Microsoft Access database.
4. D)
None of these are correct
Answer: D
34) Which of the following statements is true?
1. A)
Areas of complex topography are represented by large triangles in a TIN.
2. B)
Areas of complex topography are represented by small triangles in a TIN.
3. C)
Regardless of the topography, all triangles are of the same size in a TIN.
4. D)
None of these are correct
Answer: B
Introduction to Geographic Information Systems, 9e (Chang)
Chapter 5 GIS Data Acquisition
1) What is a geoportal?
2) Name the two geoportals maintained by the USGS.
3) What are the spatial resolutions of DEMs available from the
USGS?
4) What kinds of data can you find at the NASA Earth
Observations geoportal?
5) List three different methods for creating new GIS data.
6) The U.S. Census Bureau offers KML files of nation-based and
state-based boundaries for download. What is the main application of these
files?
7) What is SSURGO?
8) Provide an example that illustrates the importance of
metadata to GIS users.
9) What is “direct translation” in GIS data conversion?
10) Briefly explain differential correction of GPS data.
11) Suppose you are asked to convert a paper map to a digital
data set. What methods can you use for the task? Briefly describe how each
method works.
12) The scanning method for digitizing involves both
rasterization and vectorization. Explain what each process accomplishes.
13) The source map can greatly influence the quality of a digitized
map. Provide an example that supports the statement.
14) On-screen digitizing has gained its popularity among GIS
users. Name two advantages of on-screen digitizing compared to tablet
digitizing.
15) Which data formats are used by the USGS to deliver vector
data?
1. A)
Shapefile and geodatabase
2. B)
Shapefile and coverage
3. C)
Coverage and geodatabase
4. D)
None of these is correct
Answer: A
16) A clearinghouse is ________, and a geoportal is ________:
1. A)
data-centric, service-centric
2. B)
service-centric, data-centric
Answer: A
17) Which agency is in charge of the National Map program in the
United States?
1. A)
U.S. Geological Survey
2. B)
U.S. Census Bureau
3. C)
Natural Resources Conservation Service
4. D)
Bureau of Land Management
Answer: A
18) The spatial resolutions of Global Multi-resolution Terrain
Elevation Data 2010 (GMTED2010) are approximately:
1. A)
10, 5, and 1 kilometer
2. B) 3,
2, and 1 kilometer
3. C)
1000, 500, and 250 meters
4. D)
250, 100, and 10 meters
Answer: C
19) Digital orthophotos do not contain image displacement or
distortion.
Answer: TRUE
20) A GPS receiver can collect the height in addition to the
horizontal position of a point on the Earth’s surface.
Answer: TRUE
21) GPS readings of longitude and latitude are based on:
1. A)
NAD29
2. B)
NAD83
3. C)
WGS84
4. D)
none of these is correct
Answer: C
22) Which of the following is considered an automatic digitizing
method?
1. A)
digitizing using a scanner
2. B)
digitizing using a table digitizer
3. C)
on-screen digitizing
Answer: A
23) Which of the following organizations has been coordinating
the development of the National Spatial Data Infrastructure (NSDI) in the
United States?
1. A)
Environmental Protection Agency
2. B)
Federal Geographic Data Committee
3. C)
Natural Resources Conservation Service
4. D) US
Forest Service
Answer: B
24) Geotagged photos can be taken with a cell phone as long as
the cell phone is GPS-integrated.
Answer: TRUE
25) COGO (Coordinate geometry) can convert ________ into spatial
features:
1. A)
remotely sensed data
2. B)
GPS data
3. C)
street addresses
4. D)
survey data
Answer: D
26) A text file with the fields of x-, y-coordinates can be
converted to a digital map.
Answer: TRUE
27) National Land Cover Data from the USGS were compiled from:
1. A)
field survey data
2. B)
USGS quadrangle maps
3. C)
air photos
4. D)
satellite images
Answer: D
28) Nowadays we can download free LiDAR data.
Answer: TRUE
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