GIS Midterm
You have a roads file from Rapid City but it does not appear in the same location as the other files you have. You examine the Source tab in ArcGIS Pro and find that the projection is listed as UTM Zone 13 while the X and Y values are approximately −103 and 45. What is the matter with the file?
The coordinate system label says the file is projected, but the x-y coordinates appear to be unprojected.
Which of the following pitfalls commonly occur when amateurs make legends?
The legend neatline crowds the text in the legend. The layer name is shown as an obscure file name like roads.shp. The class values are uneven, non-rounded numbers
Raster data should be stored and analyzed in projected coordinate systems because ____.
area or distance distortion may cause raster functions to yield incorrect results
Joan selects counties with populations greater than 100,000 people. Joan has performed a(n) ____.
attribute query
The numerical relationship between objects in one table and matching objects in another table is called the _____.
cardinality
A soil classification (sandy, loamy, silty, etc.) would be considered to be ___ data.
categorical
A query ____.
extracts certain features or records based on some criteria
A table of climate stations containing longitude and latitude values has a corresponding coordinate system that is _____.
geographic
Which one of the following functions both splits crossing features and combines the attribute records of matching features?
intersect
A map frame ____.
is a representation of a project map within a layout
The field used to join or relate two tables is called a(n) _____.
key
The system-managed unique integer that is assigned to link the spatial data coordinates to the table attributes is known as the ____.
object or feature ID
Every design element in a map should be repeatedly evaluated against the ___ of the map.
objective
Interactive Query
objects are selected by viewing table or map
A relate MUST be used when the cardinality between two tables is ____.
one-to-many
Madison calculates the mean and standard deviation of chloride values from wells near the seashore. Madison has performed a(n) ____.
operation other than a query
The letter grade earned on an English paper is an example of ___ data.
ordinal
Suppose you have a counties feature class with agricultural summary statistics in its attribute table. You would use the _____ function to find out which county produced the most wheat.
sort
Rafiq selects wells that lie inside Pennington County, New Jersey. Rafiq has performed a(n) ____.
spatial query
Given a table containing records for states and fields with timber production for all years from 1990 to 2000, you would use the _____ function to find the total U.S. timber production for 1995.
summary statistics
Finding the average parcel values for all the different zoning categories in a city map would require using the _____ function.
summary statistics with a case field
When you download a GIS dataset from another source, the associated metadata ____.
(s) may not have been provided with the dataset at all or may need to be downloaded separately from the dataset
If you multiply three different Boolean rasters in the Raster Calculator, the largest possible cell value in the output raster would be ____.
1
You measure a soccer field (100 meters long) on an air photo and find that it is one centimeter long. What is the scale of the photo?
1:10,000
Which ONE of the following statements is true?
A spatial join combines table records based on whether features are inside each other or close to each other
The vector INTERSECT tool is the functional equivalent of the raster Boolean overlay function ____.
AND
If you are unable to add a new field to a table you are editing, what should you do first?
Check the Edit ribbon for unsaved edits and save them.
This SQL expression is correctly formatted to select polygons with the two specified geologic units: [GEOLOGY] = "Klm" OR [GEOLOGY] = "Trs" Correct or Incorrect?
Correct
Which one of the following coordinate systems uses units of degrees?
Geographic Coordinate System
How does a map layer differ from its source data?
It stores only the data location and its display properties, not the actual features.
The vector UNION tool is the functional equivalent of the raster Boolean overlay function ____.
OR
A feature composed of a single x-y coordinate is called a
Point
During a distance join, to avoid incorrect results and distance units being in degrees, you must do which one of the following before joining?
Project the input feature classes to a projected coordinate system.
A multiband Landsat image of the Black Hills would be best portrayed using a(n) _____ display method.
RGB composite
Adding or multiplying rasters together requires use of the ___ tool.
Raster Calculator tool
attribute query
Request for features based on values in the attribute table. The three basic components of an attribute query are the attribute field, operator, and attribute value.
Which statement best describes the difference between spatial joins and other types of overlay?
Spatial joins do not split features when they cross each other.
Which ONE of the following statements is true for BOTH spatial and attribute joins?
The target receives the information from the join table
When a data set is mislabeled with the wrong coordinate system, what should you do?
Use the Define Projection tool to redefine the coordinate system.
Which ONE of the following statements best describes the use of spaces in folder and file names in ArcGIS?
Using spaces in folder names in ArcGIS is permitted but strongly discouraged.
If you are trying to determine average temperatures for a counties feature class, using a temperature raster, you would use the ___ function.
Zonal Statistics
What function would you use to determine the average precipitation values in each watershed, given a precipitation raster and a watershed shapefile?
Zonal Statistics
Which one of the following would be considered a thematic raster?
a raster of geologic rock units
What is a Boolean raster?
a raster that contains only 1's or 0's representing true or false for a specified condition
A layout is ____.
an arrangement of one or more maps intended for publishing or printing
The best choice of a geographic coordinate system for a world map would usually be ____.
an earth-centered datum
Which ONE of the following is NOT a function of editing?
changing the coordinate system of a feature class
The ___ function does not combine the tables of the two input feature classes.
clip
The primary purpose of a map showing correlations between smoking and lung cancer rates is ____.
convincing
Which one of the following is NOT an application of queries?
correcting the geometric accuracy of features
The AutoComplete tool is designed to ____.
create a common boundary between two adjacent polygons
On the fly projection in ArcGIS Pro means that ____.
data sets may be stored in different coordinate systems yet displayed together
An unprojected coordinate system, or GCS, has map units of _____.
degrees
The additional three or four letter tag on a computer file name, like ".mxd" or ".docx", is called the ______.
designator
If arrangement of labels in a map changes as you zoom in and out slightly, you are using ______.
dynamic labels
The basic element of data storage in a raster is called a
either cell or pixel
3. end snapping
ensure that a stream always connects to another stream
2. point snapping
ensure that a utility line connects exactly to a valve
1. edge snapping
ensure that a water connection always sits exactly on the side of a house
Saving edits also saves the project true or false
false
spatial query
features are selected based on relative locations
The columns in an attribute table are called ____.
fields
A computer uses a ______ to ascertain whether a file is in use by another user or program.
file lock
A suitability analysis ____.
finds combinations of factors to delineate ideal areas for a particular purpose
The Rule of Joining states that ____.
for each record in the target table there must be one and only record in the join table
Data that has been tied to a specific location on the earth's surface is said to be ______.
georeferenced
A map and a map frame ____.
have the same layers but may have different extents
Logical consistency refers to ____.
how well the data spatial relationships correspond to real world relationships of features
This SQL expression is correctly formatted to select counties from the two specified states: [STATE_NAME] = "Alabama" OR "Rhode Island. Correct or incorrect?
incorrect
A figure composed of ordered x-y coordinates with two endpoints is called a ________.
line or polyline
4. vertex snapping
make sure that parcel corners always match other parcel corners
If you are joining states to counties, with counties as the target table, the cardinality is ____.
many to one
The street addresses of students (such as 234 Maple St) would be considered to be ___ data.
nominal
A feature composed of a single x-y coordinate is called a ________.
point
If a polygon layer and a line layer are intersected, the geometry of the output feature class may be chosen as _____.
points or lines
A closed figure composed of x-y coordinates is called a
polygons
A raster portraying a _______ is an example of continuous data.
precipitation map
What function would you use to take a slope raster and assign low slopes a value of 1, intermediate slopes a value of 2, and high slopes a value of 3?
reclassify
The rows in an attribute table are called ____.
records
When importing data for Alabama, the Clip tool would most likely be needed to extract _____.
rivers
Which ONE of the following datasets could be immediately opened by ArcGIS Pro without any conversion?
roads.shp
Select the definition of the term "cartographic generalization".
simplifying features to achieve a clearer and more effective map
The output geometry type of a spatial join is always the same as the ____.
target feature class
Weighted overlay is designed to address which shortcoming of Boolean overlay?
the assumption that each layer condition is binary and of equal importance
Select the definition of the term "coordinate system
the definition of a coordinate space, including the ellipsoid, datum, and projection
T or F? Feature templates can be used to assign default attribute values to different categories of features in a layer.
true
A map of land use in Auburn could be best portrayed using the _____ map type
unique values
If a one-to-many relationship exists for a particular spatial join, the user may accommodate it by ____.
using a one-to-one join and merge rules
