GGY 321 Final – Study Guide, Practice Questions & Exam Review
Which answer is closest to the shape of the Earth? - ANS ✔✔Geoid
GIS could be considered an example of ArcGIS Pro as learned in labs - ANS ✔✔False
A global datum is defined using a globally measured ellipsoid centered at the earth mass center,
which perfectly fits everywhere on Earth's surface. - ANS ✔✔False
Which answer was the first GIS ___________? - ANS ✔✔Canada Geographic Information
System (CGIS)
Which answer is directly developed by the Mean Sea Level (MSL) approach? - ANS ✔✔Geoid
Which datum is used for Global Positioning Systems (GPS)? - ANS ✔✔North American Datum of
1927 (NAD27)
A GIS computer system is used for... of spatial (geographic) data. - ANS ✔✔capturing, storing,
querying, analyzing, displaying
A datum represents the ... and ... of the Earth. - ANS ✔✔size, shape
Although ellipsoids are preferred for the development of map projections, we still use geoids for
defining the z-value (elevation). - ANS ✔✔True
Within a map projection, measures are most accurate where the projection surface touches the
sphere. - ANS ✔✔True
,A map projection involves the process of transforming ___________? - ANS ✔✔a three-
dimensional surface to a two-dimensional surface
Which answer is INCORRECT regarding latitude and longitude __________? - ANS ✔✔Latitude is
measured from the Greenwich meridian while longitude is measured from the Equator.
36 degree 41 minutes 5 seconds is equivalent to_____________ degrees. - ANS ✔✔36.685
58.1295 is equivalent to 58 degrees ... minute(s) and ... second(s). - ANS ✔✔7, 46.2
Goode's Homolosine projection uses a combination of projections to preserve both area and
shape. - ANS ✔✔False
An azimuthal map projection preserves direction between all points in a map. - ANS ✔✔False
A 1:5,000,000 scale map is a relatively small scale map compared to a 1:24,000 scale map. - ANS
✔✔True
Both distance and direction from the central point are preserved in an Azimuthal Equidistant
projection. - ANS ✔✔True
State Plane Coordinate (SPC) System is less universal than Universal Transverse Mercator (UTM).
- ANS ✔✔True
Zones in a State Plane Coordinate (SPC) System follow county boundaries. - ANS ✔✔True
Current State Plane Coordinate (SPC) Systems are based on the North American Datum 1983
(NAD83), units in feet. - ANS ✔✔False
, Which is the proper classification of map projections regarding how a projection is oriented in
relation to the earth when a map projection is created? - ANS ✔✔Normal (Equatorial),
Transverse, Oblique
Which projection is preferred for mapping North-South trending areas? - ANS ✔✔Universal
Mercator
How many zones does the Universal Transverse Mercator (UTM) projection have? - ANS ✔✔60
A road on a map is 6 centimeters in length. In the real world, that road is 9 kilometers long. The
map scale is _____________. - ANS ✔✔1:150,000
What is the distance between point A (13, -5) and point B (16, 8) in a plane coordinate system. -
ANS ✔✔13.3
A raster dataset must have multiple bands. - ANS ✔✔False
A file geodatabase stores geographic data and their attributes within a folder. - ANS ✔✔True
Compared to the vector data model, the raster data model has higher storage efficiency. - ANS
✔✔False
An object-oriented model stores geometry and attributes into a single system. - ANS ✔✔False
Feature datasets store feature classes that have a variety of coordinate systems and area
extents. - ANS ✔✔False
Which answer is closest to the shape of the Earth? - ANS ✔✔Geoid
GIS could be considered an example of ArcGIS Pro as learned in labs - ANS ✔✔False
A global datum is defined using a globally measured ellipsoid centered at the earth mass center,
which perfectly fits everywhere on Earth's surface. - ANS ✔✔False
Which answer was the first GIS ___________? - ANS ✔✔Canada Geographic Information
System (CGIS)
Which answer is directly developed by the Mean Sea Level (MSL) approach? - ANS ✔✔Geoid
Which datum is used for Global Positioning Systems (GPS)? - ANS ✔✔North American Datum of
1927 (NAD27)
A GIS computer system is used for... of spatial (geographic) data. - ANS ✔✔capturing, storing,
querying, analyzing, displaying
A datum represents the ... and ... of the Earth. - ANS ✔✔size, shape
Although ellipsoids are preferred for the development of map projections, we still use geoids for
defining the z-value (elevation). - ANS ✔✔True
Within a map projection, measures are most accurate where the projection surface touches the
sphere. - ANS ✔✔True
,A map projection involves the process of transforming ___________? - ANS ✔✔a three-
dimensional surface to a two-dimensional surface
Which answer is INCORRECT regarding latitude and longitude __________? - ANS ✔✔Latitude is
measured from the Greenwich meridian while longitude is measured from the Equator.
36 degree 41 minutes 5 seconds is equivalent to_____________ degrees. - ANS ✔✔36.685
58.1295 is equivalent to 58 degrees ... minute(s) and ... second(s). - ANS ✔✔7, 46.2
Goode's Homolosine projection uses a combination of projections to preserve both area and
shape. - ANS ✔✔False
An azimuthal map projection preserves direction between all points in a map. - ANS ✔✔False
A 1:5,000,000 scale map is a relatively small scale map compared to a 1:24,000 scale map. - ANS
✔✔True
Both distance and direction from the central point are preserved in an Azimuthal Equidistant
projection. - ANS ✔✔True
State Plane Coordinate (SPC) System is less universal than Universal Transverse Mercator (UTM).
- ANS ✔✔True
Zones in a State Plane Coordinate (SPC) System follow county boundaries. - ANS ✔✔True
Current State Plane Coordinate (SPC) Systems are based on the North American Datum 1983
(NAD83), units in feet. - ANS ✔✔False
, Which is the proper classification of map projections regarding how a projection is oriented in
relation to the earth when a map projection is created? - ANS ✔✔Normal (Equatorial),
Transverse, Oblique
Which projection is preferred for mapping North-South trending areas? - ANS ✔✔Universal
Mercator
How many zones does the Universal Transverse Mercator (UTM) projection have? - ANS ✔✔60
A road on a map is 6 centimeters in length. In the real world, that road is 9 kilometers long. The
map scale is _____________. - ANS ✔✔1:150,000
What is the distance between point A (13, -5) and point B (16, 8) in a plane coordinate system. -
ANS ✔✔13.3
A raster dataset must have multiple bands. - ANS ✔✔False
A file geodatabase stores geographic data and their attributes within a folder. - ANS ✔✔True
Compared to the vector data model, the raster data model has higher storage efficiency. - ANS
✔✔False
An object-oriented model stores geometry and attributes into a single system. - ANS ✔✔False
Feature datasets store feature classes that have a variety of coordinate systems and area
extents. - ANS ✔✔False
