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ArcGIS – ESRI Exam Questions and Answers
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ArcGIS – ESRI Exam Questions and Answers
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ArcGIS – ESRI Exam Questions andAnswers
Describe the difference between a paper map and a GIS map - Answers -GIS maps are
dynamic
You can manipulate the features of a GIS map, you cannot change the features of a
paper map
This includes zoom, selecting features you wish to see, and access a database for more
features
How is a GIS map organized? - Answers -A GIS map consists of 1 or more dataframes
A data frame is a collection of layers
A layer is a collection of features
A feature represents a real-world object
What is a feature? 3 ways they are represented? - Answers -Features are geographic,
real world objects
Represented as point, line, or polygon
What is a point? A line? A polygon? - Answers -Point = one coordianate pair
representing a location on earth's surface
Lines = two or more coordinate pairs
Polygon = composed of one or more lines whose starting and end coordiante points are
the same
What is an attribute? - Answers -Information that is associated with a feature other than
its shape and location
Linked by FID
What does scale mean in GIS? - Answers -Scale is a ratio
One unit on your map represents X units in the real world
What is ArcMap? - Answers -It is a program used for visualising, editing, and analysing
geographic data and can produce map products (data and layout views)
What is ArcCatalog? - Answers -It is a program used for accessing, browsing,
managing, and storing data
What is ArcToolbox? - Answers -It is an organized collection of tools for GIS analysis,
data management, data conversion, and so on.
, What is metadata? - Answers -It is data about data; it is information that describes or
documents a geographic dataset
Is Earth vertically or horizontally squashed? - Answers -Vertically
What are four basic types of spatial relationships? - Answers -Distance
Containment
Intersection
Adjacency
What are six things GIS can do with data? - Answers -Capture
Store
Query
Analyse
Display
Present
What are symbols for? - Answers -Symbols are assigned to features and symbolize
these features based on attributes associated with that feature
What three things do you need to decide when symbolizing features based on quantities
in ArcMap? - Answers -How many classes to have
What method to use for placing the values into classes
What kind of symbology to use
What are natural breaks (Jenks)? When should you use it? How many classes should
you use? - Answers -Identifies groupings of values that are inherent to your data
Use when attributes are distributed unevenly across the overall range of values
For classes, choose a number that best reflects the natural groups of attributes you
want to show
What are equal intervals? When should you use it? How many classes should you use?
- Answers -It is similar to a ruler, with an interval between each class is equal
Use when you want all classes to have the same range
For classes, choose a number that produces an easily understood interval (2, 5, 10)
What are quantiles? When should you use it? How many classes should you use? -
Answers -Each class contains an equal number of values (features)
Use when attributes are evenly distributed in a linear fashion
For classes, choose what makes the most sense
What are manual? When should you use it? How many classes should you use? -
Answers -Each class has a range that you specify
Use when you want classes to break at specific values
For classes, choose what makes the most sense
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