WorksheetsIntegrated Urban Planning using GIS
Total questions: 35
Worksheet time: 18mins
When joining a CSV file to a shapefile in QGIS, why is it important to create a sidecar file with a .csvt extension before importing the CSV file?
To import the CSV file as a vector layer with geometry
To specify the data types for each column in the CSV file
To convert the CSV file into a shapefile
To create unique IDs for each feature in the shapefile
When importing a text file into QGIS, which of the following coordinates represent the X-coordinate?
Latitude
Longitude
Elevation
Population
Which Coordinate Reference System (CRS) should be selected when working with latitude and longitude data in QGIS?
NAD 83
UTM Zone 33N
WGS 84
EPSG 4326
In QGIS, after loading a delimited text file, which option should be selected in the Geometry definition section if the import chooses incorrect fields for X and Y coordinates?
Modify the file format
Manually select the correct fields
Re-import the file
Change the projection
What is the purpose of the GEOID field in a shapefile when joining it with a CSV file?
To store latitude values
To provide unique identification for each feature
To track population data
To format the file for mapping
Why is it necessary to create a .csvt file for a CSV file in QGIS?
To enable spatial queries
To specify data types for each column
To calculate distances
To convert it to a shapefile
When adding a join between a shapefile and a CSV file in QGIS, what must be selected in the 'Join field' and 'Target field' to link the tables?
Population and Latitude
X and Y coordinates
Unique ID fields from both files
File names
What is the purpose of selecting the 'Graduated' style in QGIS when visualizing a shapefile with joined population data?
To symbolize data based on geometry
To assign colors based on population ranges
To calculate area and perimeter
To display text labels
In the 'Graduated' style dialog, what does the 'Quantile (Equal Count)' mode do?
Divides data into equal population groups
Adjusts the color ramp according to geometry
Assigns symbols to specific attributes
Randomly distributes values
What tool should be used in QGIS to zoom in on a specific area of the map for closer inspection?
Pan
Identify Features
Zoom in
Measure
In SCP, what is the purpose of creating ROIs (Regions of Interest) during the classification process?
To change the projection of the raster
To collect spectral signatures for land cover classes
To calculate surface temperatures
To adjust image brightness
When manually drawing an ROI in SCP, which of the following actions closes the polygon?
Double-clicking the starting point
Left-clicking twice
Right-clicking after defining vertices
Pressing the Enter key
What does the 'Dist' value control when using the automatic region-growing algorithm to create an ROI in SCP?
The color of the ROI
The accuracy of the classification
The size of the ROI
The shape of the ROI
Which class of land cover is typically highlighted in red in the color composite RGB = 4-3-2?
Water
Built-up
Vegetation
Bare soil
What type of error is displayed when 'Bare soil' is classified as 'Built-up' in SCP?
Spectral overlap
Misclassification
Unbalanced Dist value
Incorrect Band set
What is the key step before creating ROIs to prevent data loss in SCP?
Creating the Training input file
Selecting the RGB band composite
Changing the file format
Adjusting the Dist value
What is the significance of calculating the spectral signature in SCP after saving an ROI?
It improves the image resolution
It allows accurate classification of land cover
It changes the coordinate system
It applies color correction to the image
Which plugin is installed for accessing the OpenStreetMap (OSM) standard in QGIS for flood vulnerability analysis?
QGIS2threejs
SCP
QMS (Quick Map Service)
SAGA
What type of projection should your project be set to before starting the flood vulnerability analysis?
Geographic Coordinate System (GCS)
Projected Coordinate System (PCS)
Universal Transverse Mercator (UTM)
Web Mercator
How do you add a shapefile to QGIS from your local machine?
Layer → Add Raster Layer
Layer → Add Vector Layer
File → Open Shapefile
File → Import Shapefile
When importing a raster file, which menu option is used to add the layer?
Layer → Add Raster Layer
File → Import Raster
Raster → Add Layer
Layer → Add Vector Layer
What CRS should be used for unprojected latitude/longitude coordinates in QGIS?
EPSG:3857 (Web Mercator)
EPSG:32646 (UTM 46N)
EPSG:4326 (WGS 84)
EPSG:900913
When importing a CSV file into QGIS, what geometry definition should you choose if the file contains x, y coordinates?
No Geometry
Latitude/Longitude Geometry
Point Coordinates
UTM Geometry
Which symbology option is used for data broken into categories, such as hair color or political party?
Graduated
Quantile
Equal Interval
Categorized
How is a globe more accurate than a map?
a globe is a 3 dimensional model of the Earth, but a map is flat
a globe can show streets and roads, but a map cannot
a globe can show all of the continents at once, but a map cannot
a globe can be used to navigate from one town to another, but a map cannot
Which of the following is not a hardware component of GIS?
A computer screen
GPS coordinates
A plotter
A scanner
By ‘spatial data’ we mean data that has:
Complex values
Location/coordinate values
Graphic values
Decimal values
What is ‘Attribute data’?
Specifies characteristics at that location, natural or human-created
Can be stored in a database table
Both A and B
None of the above
Numerous employees in your organization need access to the streets data that your team is responsible for maintaining in an enterprise database. From the options given below, what is the best way to handle access to these data? (Choose the best response)
Set the streets layer’s permissions to allow everyone in your enterprise full control
Set the streets layer’s permission to allow full control only to your team
Set the streets layer’s permission to allow full control only to your team and read-only access to the remainder of your enterprise
No action needed
