Quiz_1_Review
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School
University of California, Davis *
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Course
150
Subject
Geography
Date
Dec 6, 2023
Type
Pages
12
Uploaded by ChefStar27512
Quiz 1 Review
Will cover chapters 1, 4, and 5.
Note: These are the same questions I include in the lecture slides as review
questions
Chapter 1
1.
What is a GIS?
2.
What are the components of a GIS?
3.
What is geospatial data?
4.
Describe (don’t just list) three features that make a good map (don’t just list map elements).
5.
A closed figure composed of
x-y
coordinates is called a_________.
A)
polygon
B)
feature class
C)
line or polyline
D)
point
6.
A raster portraying a_________ is an example of continuous data.
A)
road map
B)
political party map
C)
land use map
D)
precipitation map
E)
geology map
7.
Data that has been tied to a specific location on the earth's surface is said to be_________.
A)
attributed
B)
discrete
C)
georeferenced
D)
featured
E)
continuous
8.
A closed figure composed of
x-y
coordinates is called a_________.
A)
polygon
B)
feature class
C)
line or polyline
D)
point
9.
The basic element of data storage in a raster is called a_________.
A)
coordinate
B)
cell
C)
pixel
D)
either cell or pixel
E)
either coordinate or pixel
10.
When a data set is placed into a map, it is called a_________.
A)
feature class
B)
layer
C)
table
D)
view
E)
polygon
11.
You are planning a hike. You measure the trail on a 1:24,000 scale map and discover that it is 30 cm
long. How long is the hike in kilometers?
A)
0.4 kilometers
B)
0.7 kilometers
C)
4.0 kilometers
D)
7.2 kilometers
E)
72 kilometers
12.
Information about a data set, such as who created it and why, is called_________.
A)
attribute data
B)
spatial data
C)
metadata
D)
feature data
E)
aspatial data
13.
Citing the source of data used in a map or a report_________.
A)
is only required if the map or report is
being formally published
B)
is a professional and ethical
responsibility
C)
can be omitted if the map uses only
publically available data
D)
can be replaced with the agency's logo
on the map or report
14.
Which one of the ArcGIS family of products is most tightly coupled to ArcGIS Online?
A)
ArcView
B)
ArcMap
C)
ArcGIS Pro
D)
ArcInfo Workstation
E)
ArcCatalog
Chapter 4
15.
The geometric figure that most accurately represents the earth's surface is the_________.
A)
spheroid
B)
geoid
C)
ellipsoid
D)
datum
E)
sphere
16.
Degrees of latitude and longitude measure...
A)
angles from the center of an ellipsoid.
B)
distances in the y-direction.
C)
distances in both x- and y-directions.
D)
distances in the x-direction.
17.
If choosing a datum for a coordinate system in the conterminous United States, which one of the
following is usually the best choice and why?
A)
NAD 1983, because it is the most
common
B)
NAD 1983 (2011), because it is the most
recent
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C)
NAD 1983 (HARN), because it is the
most accurate
D)
NAD 1983 (CSRS), because it is
designed for surveying
18.
The distance represented by a degree at the equator is approximately
A)
20 miles.
B)
50 kilometers.
C)
110 kilometers.
D)
200 miles.
19.
The best choice of a geographic coordinate system for a world map would usually be_________.
A)
an earth-centered datum
B)
a local datum
C)
a geographic datum
D)
a spherical datum
20.
Calculate the linear distance between these two points on the earth’s surface (110W, 60N) and (60W,
35N).
21.
A conic map projection best preserves the combined properties of_________.
A)
shape and area
B)
shape and direction
C)
distance and shape
D)
distance and area
E)
distance, shape, direction, and area
22.
Two GPS units lying next to each other are set to collect locations in NAD 1983 UTM Zone 10 and
NAD 1927 UTM Zone 10 respectively. Which statement best characterizes the readings given by the
two units?
A)
The locations reported by both units
won't be accurate.
B)
The locations reported by both units
should the same.
C)
The locations reported by the units may
differ by a couple hundred meters.
D)
The locations reported by the units won't
differ by more than a few meters.
23.
If you are creating a map of the United States comparing the areas of different weather systems, the
best projection to use would be_________.
A)
a geographic coordinate system
B)
a conic projection
C)
a cylindrical projection
D)
a State Plane coordinate system
E)
a UTM coordinate system
24.
Which one of the following projections is not used in State Plane coordinate systems?
A)
Transverse Mercator
B)
Lambert Conformal Conic
C)
Oblique Mercator
D)
Universal Transverse Mercator
25.
Two layers are being displayed in a map view, which has been set to a State Plane coordinate system
with units of feet. The box showing the cursor location lists the values in miles. One layer is stored in
a GCS with units of degrees. The second layer is stored in UTM with units of meters. What are the
map units?
A)
degrees
B)
meters
C)
feet
D)
miles
26.
Select the best definition of the term "spatial reference".
A)
the complete description of a coordinate
system's properties and parameters
B)
the choice of geographic coordinate
system used for a data set
C)
the original source of a specific map
projection as defined by its inventor
D)
the coordinate system chosen for the
map during on the fly projection
27.
What is a datum?
28.
Explain the difference between NAD27 and NAD83
29.
What is WGS84?
30.
Explain the importance of map projection.
31.
Describe the four types of map projections by the preserved property.
32.
Explain the difference between the standard line and the central line.
33.
Explain how a UTM zone is defined in terms of its central meridian, standard meridian, and scale
factor.
34.
If a data set’s features have x coordinates between –180 and +180, what is the coordinate system
likely to be? In what units are the coordinates?
35.
Explain why the UTM projection would not be a good choice for making a map of the contiguous
United States.
36.
Examine Figures below and explain why conic projections usually conserve area and distance but
cylindrical projections typically preserve direction.
37.
A shapefile has an Unknown coordinate system, but a file on the web site says that the coordinate
system is UTM Zone 13 NAD 1983. What is the next step?
38.
Examine the UTM and State Plane Zones for California. Explain why creating an accurate map
projection for the whole state would be a challenge. Discuss the options; then select a projection and
define a set of reasonable parameters.
Chapter 5
39.
A closed figure composed of
x-y
coordinate vertices is called a_________.
A)
polygon
B)
feature class
C)
node
D)
line
E)
point
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40.
Which one of the following statements is TRUE?
A)
A point feature contains only one node.
B)
A polygon feature contains nodes but
not vertices.
C)
A polygon feature contains vertices but
not nodes.
D)
A line feature contains nodes but not
vertices.
41.
Select the example that best characterizes the term "multipart feature".
A)
A feature with multiple records and one
polygon.
B)
A feature with multiple pixels stored
together.
C)
A feature with multiple polygons in one
record.
D)
A feature that appears multiple times in
different feature classes.
42.
Which one of the following is NOT a characteristic of GIS data?
A)
GIS data files may be very large.
B)
GIS data files may come from many
sources and in many formats.
C)
GIS data files are never shared by
multiple users.
D)
GIS data files do not always follow the
latest computer conventions.
43.
Why should one avoid using spaces and special characters like $#% in folder names?
A)
These characters damage the computer
operating system.
B)
Not all software packages work
correctly when they encounter these
names.
C)
Some users may be offended when they
see these characters.
44.
Why is it advantageous to separate downloaded and in-production files from permanent datasets?
A)
Because folders should only contain one
data type.
B)
Because you can damage existing
datasets by downloading to the same
folder.
C)
Because data can only be downloaded to
one folder on the computer.
D)
Because it facilitates cleaning temporary
data from folders with minimal risk to
permanent data.
45.
On Windows computers, why should GIS data be stored on the main C:\ drive rather than the default
user library folder or Desktop?
A)
Because the software does not always
work correctly when accessing data
under the Library folders or on the
Windows Desktop.
B)
Because the Library folders and
Windows Desktop permit spaces in
filenames and the C:\ drive does not.
C)
Because there is more room on the C:\
drive.
D)
Because on a network, the Library
folders can get mixed up between
different users
46.
Data found in ArcGIS Online can be downloaded and stored in a local folder_________.
A)
always
B)
sometimes
C)
never
47.
If a club is creating a map for hikers to use in the backcountry, the target source scale for downloaded
data would be about_________.
A)
1:20 million
B)
1:2 million
C)
1:200,000
D)
1:20,000
48.
When using
x-y
fields in a table to create points on a map, it is important to specify the coordinate
system as_________.
A)
the same coordinate system used in the
map view
B)
the coordinate system reflected in the
table's
x-y
fields
C)
the desired coordinate system to store
the final feature class
D)
a geographic coordinate system
E)
a projected coordinate system
49.
When importing data for your home state, the Clip tool would most likely be needed to
extract_________.
A)
counties
B)
zip codes
C)
cities
D)
rivers
50.
The_________ tool merges features together if they share the same attribute values in a specified
field or list of fields.
A)
intersect
B)
buffer
C)
erase
D)
dissolve
51.
Information ABOUT a GIS dataset, such as who created it and what the fields mean, is
called_________.
A)
spatial data
B)
attribute data
C)
feature data
D)
metadata
52.
Select the definition of the term "feature dataset".
A)
a collection of feature classes related to
each other in some way
B)
a collection of features that share an
attribute table and geometry type
C)
a collection of geodatabases containing
feature for the same geographic area
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D)
a collection of rasters that share the
same coordinate system
53.
Feature classes in a feature dataset must_________.
A)
all have the same geometry type
B)
all have the same coordinate system
C)
all participate in a planar topology
D)
all have the same prefix in the feature
class name
54.
Which one of the following describes an advantage of shapefiles over geodatabases?
A)
Shapefiles can be read by many
different GIS programs and are now
commonly used to share data.
B)
Shapefiles offer automatic tracking and
updating of geometry attributes such as
polygon areas or line lengths.
C)
Shapefiles can utilize topology rules for
finding and fixing topology errors.
D)
Shapefiles can incorporate subtypes and
domains for advanced functionality.
55.
Which one of the following would be most likely to use an enterprise geodatabase?
A)
a city planning department with multiple
divisions editing the same data
B)
a group of students working on a class
project
C)
a doctoral student developing large
raster datasets for a dissertation
D)
an academic departing needing to
provide access to a large number of
static datasets
56.
Which one of the following can a geodatabase NOT store?
A)
feature classes
B)
rasters
C)
coverages
D)
tables
E)
feature datasets
57.
It is equally satisfactory to use Windows to manage (copy, rename, delete) GIS data as to use the tools
and Catalog in Pro to do it.
A)
True
B)
False
58.
The project (.aprx) file_________.
A)
stores all datasets associated with the
project
B)
keeps track of the data, settings, and
resources needed to make the project
work
C)
includes the home geodatabase and
project folder
D)
is stored in the project home
geodatabase
59.
Which ONE of the following statements is TRUE?
A)
Changes made to a layer in ArcGIS Pro
modify the file of the associated feature
class.
B)
A layer points to a feature class and
contains properties that can be set for
the feature class.
C)
A feature class contains the spatial
features and a layer contains the
attribute data.
D)
A layer contains both the spatial and
attribute information for a dataset.
60.
Which of the following is a legal pathname for GIS data?
A)
C:\my_data\mgisdata\usa\roadnum.shp
B)
C:\my data\southdakota\custer\roads.shp
C)
D:\europe\census2000\euc$bounds\franc
e.shp
D)
D:\gisfolder\oregon\water_data\stream#.
shp
61.
Changes made to layers in the Contents pane usually make permanent changes to the stored data files.
A)
61. True
B)
False
62.
Select the definition of a "feature ID" or "FID".
A)
A unique integer used to identify a
feature in an attribute table.
B)
A name stored in an attribute table, such
as Utah or Denver.
C)
A special field "found in only in
shapefiles" that store parcel data.
D)
An ID number assigned to each feature
by the user.
63.
Name the three types of simple features used in GIS and their geometric properties.
64.
Explain the importance of topology in GIS.
65.
What are the main advantages of using shapefiles?
66.
Explain the difference between the georelational data model and the object-based data model.
67.
For example, census data sets such as counties, census tracts, and block groups can be stored as
feature classes in a feature dataset called census.
68.
Explain the difference between a personal geodatabase and a file geodatabase.
69.
How does a vector data model differ from a raster data model.
70.
Can you convert a vector to a raster layer?
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