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Esri EAPA_2025 Exam Syllabus Topics:
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NEW QUESTION # 31
A GIS analyst has a feature class and a non-spatial table stored in the same geodatabase. The analyst needs to create a composite relationship to ensure data integrity.
Which association type should the analyst apply?
- A. Relationship class
- B. Spatial join
- C. Attribute join
Answer: A
Explanation:
A relationship class defines a permanent association between a feature class and a table or between two feature classes in a geodatabase. Composite relationship classes enforce referential integrity, ensuring that related records remain consistent (e.g., when a parent record is deleted, related child records are also removed).
* Attribute join (Option A) is temporary and does not enforce integrity.
* Spatial join (Option B) requires spatial relationships and applies only between spatial datasets.
* Relationship class (Option C) allows managing relationships between spatial and non-spatial tables with referential integrity.
Therefore, the correct answer is C.
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NEW QUESTION # 32
A GIS specialist has a street feature class and wants to add curves to show rounded curbs. The specialist wants to specify a fixed radius to make sure that all curbs are similar for the dataset.
Which Modify Features tool should the specialist use?
- A. Continue Feature
- B. Fillet
- C. Reshape
Answer: B
Explanation:
The Fillet tool creates a rounded arc (curved corner) between two line segments using a specified radius. This ensures consistency in curb radius across all intersections or turns.
* Reshape (Option A) modifies segments but does not create consistent curves.
* Continue Feature (Option C) adds new segments to existing features but does not round or smooth curves.
Therefore, the correct answer is B.
NEW QUESTION # 33
A GIS technician has a feature class that contains thousands of features. The technician needs to control when certain features within the feature class draw on the map as they zoom in or out.
Which method should be used to accomplish this?
- A. Definition query
- B. Visibility range
- C. Display filters
Answer: B
Explanation:
Visibility range (also called scale range) controls at what zoom levels a layer or features are displayed. This allows the map to automatically hide features when zoomed out too far, improving performance and reducing clutter, while showing detailed features as the user zooms in.
* Definition query (Option A) filters features based on attribute values, not map scale.
* Display filters (Option C) filter features at specific scales but require advanced configuration; visibility range is more direct for simple scale-based drawing control.
Therefore, the correct answer is B.
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NEW QUESTION # 34
A GIS analyst is about to run analysis using multiple feature layers from the current map. They want to do one final check to ensure which feature classes do and do not have definition queries as expected.
How should the analyst check this most efficiently?
- A. Contents pane > Filter > Active Definition Query
- B. Right-click layer in Contents > Properties > Definition Query
- C. Select layers in Contents > Feature Layer - Data tab > Definition Query
Answer: A
Explanation:
ArcGIS Pro allows filtering of layers in the Contents pane using various filters. The most efficient way to check which layers have definition queries applied is to use the filter option "Active Definition Query" directly in the Contents pane. This instantly shows only those layers that have active definition queries, allowing rapid verification across multiple layers without needing to click through each layer's properties individually.
* Option A requires selecting each layer one-by-one.
* Option C also requires manual inspection of each layer's properties.
* Option B provides a batch view directly within the Contents pane.
Therefore, the correct answer is B.
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NEW QUESTION # 35
A GIS technician is trying to publish an image service to their organization's portal. The technician needs to ensure service stability when rendering client-side by multiple coworkers at once.
Which capability should the technician specify when publishing?
- A. Enable the WMS Service capability
- B. Processing templates
- C. Maximum item size per request
Answer: C
Explanation:
Setting the Maximum Item Size Per Request controls how much data can be requested at one time, balancing server load and client-side rendering. Adjusting this value helps ensure stable performance for multiple concurrent users accessing large imagery datasets.
* Processing templates (Option A) define raster function chains but do not control service stability.
* WMS Service capability (Option C) allows publishing as a WMS service but does not directly address client-side stability for image services.
Therefore, the correct answer is B.
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NEW QUESTION # 36
A GIS technician has crop field data and is working with a dimension feature class. The technician wants to get measurements for all features from the same starting location.
Which editing tool should the technician use to complete the task?
- A. Baseline aligned
- B. Simple aligned
- C. Continue dimensions
Answer: A
Explanation:
The Baseline Aligned dimension tool is used when multiple measurements need to originate from a common baseline. This is exactly the case when measuring multiple crop fields from the same starting location, ensuring consistent and aligned measurements across features.
* Simple Aligned creates individual dimension lines between two points but not aligned from a single baseline.
* Continue Dimensions adds dimensions that continue from the endpoint of the previous dimension but is not intended for measurements from a common baseline.
* Baseline Aligned properly anchors all measurements to the same origin point.
Therefore, the correct answer is B.
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NEW QUESTION # 37
A GIS analyst needs to examine the metadata of a feature class not in the map to make sure the thumbnail graphic is current.
What is the recommended workflow to view the metadata feature class?
- A. In the Contents pane > Select the feature layer > From the View tab, click Catalog View
- B. In the Catalog pane, expand the geodatabase > Right-click the feature class > Select View Metadata
- C. In the Contents pane > Right-click the feature layer > Select View Metadata
Answer: B
Explanation:
The Catalog pane provides access to datasets not yet added to the map. From there, the user can right-click any dataset (including feature classes) and select View Metadata to view or edit metadata, including the thumbnail.
* The Contents pane only lists items already in the map.
* Catalog View (Option B) works if the dataset is already loaded into that view, but directly using the Catalog pane (Option C) is more efficient here.
Therefore, the correct answer is C.
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NEW QUESTION # 38
A group of new GIS trainees must be trained on a specific workflow that includes zooming in to a specific area on a map, creating data, performing zonal statistics, extracting features, updating symbology, authoring a map layout, and exporting the layout into a PDF.
How should the instructor share the workflow to make sure that all steps are followed?
- A. Create and share a task as task file
- B. Create and share a model as a toolbox
- C. Create a script in Jupyter Notebook and share the notebook
Answer: A
Explanation:
Tasks in ArcGIS Pro are specifically designed to guide users through multi-step GIS workflows by packaging step-by-step instructions into a task file. This ensures trainees follow the workflow correctly and in sequence.
* Models (Option A) automate geoprocessing but do not guide interactive steps such as zooming, editing, or exporting layouts.
* Jupyter Notebooks (Option C) are suitable for scripting but not for guiding new users through step-by- step GUI-based tasks.
Therefore, the correct answer is B.
NEW QUESTION # 39
A GIS analyst is working with LAS data with 17 million points on the map. The points are too big and cover the underlying areas completely. The analyst needs to change the dimensions of the points.
Which action should the analyst take to meet this requirement?
- A. Decrease the symbol scale
- B. Increase the point density
- C. Decrease the display limit
Answer: A
Explanation:
Symbol scale determines the size of points when displayed. When LAS points appear too large, decreasing the symbol scale (making symbols smaller) will reduce the visual footprint of each point and prevent them from obscuring underlying map content.
* Increasing point density (Option A) adds more points but doesn't reduce size.
* Decreasing display limit (Option B) reduces how many points are drawn but does not solve the issue of size.
* Decreasing symbol scale directly reduces the size of each point.
Therefore, the correct answer is C.
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NEW QUESTION # 40
Where can geographic transformations be set when projecting on-the-fly?
- A. Layer Properties
- B. Project Options
- C. Map Properties
Answer: C
Explanation:
In ArcGIS Pro, geographic (datum) transformations for on-the-fly projection are managed at the map level.
This ensures that all layers added to the map are projected correctly into the map's coordinate system, applying the appropriate transformation as needed.
* Layer Properties (Option A) displays information for the specific layer but does not set map-level transformations.
* Project Options (Option B) relates to overall software settings, not coordinate system transformations.
* Map Properties (Option C) contains the Coordinate Systems tab where transformations can be set.
Therefore, the correct answer is C.
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NEW QUESTION # 41
A GIS specialist creates a model tool to allow others to run analysis on their own data. When users open the model tool, they are unable to configure input data or output location.
How should the specialist expose this functionality to users?
- A. Right-click the model variables > Open > Properties
- B. Right-click the tool in the model > Create Variable > From Parameter
- C. Right-click the model variables > Parameter
Answer: C
Explanation:
To make variables editable by users when running a model, you must right-click the model variables and check "Parameter." This exposes the variable as an input or output parameter in the tool interface.
* Create Variable > From Parameter (Option A) is used when building the model, not when exposing variables.
* Open > Properties (Option C) accesses variable properties but does not expose parameters for tool users.
Therefore, the correct answer is B.
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NEW QUESTION # 42
A GIS specialist is publishing a layer to their portal for use by field crews. These crews will not always have internet connection. They need to edit existing features based on inspections, but they should not be able to delete features.
How should the layer be configured to support the field crews?
- A. Enable editing > Allow editors to add features only > Check Enable Sync
- B. Enable editing > Allow editors to update feature attributes only > Check Export Data
- C. Enable editing > Allow editors to update feature attributes only > Check Enable Sync
Answer: C
Explanation:
Enable Sync allows offline editing by field crews. Setting the editing options to allow editors to update feature attributes only ensures that field staff can modify existing records but not delete them. This configuration supports disconnected editing while preserving data integrity.
* Export Data (Option B) enables data export but does not support offline sync editing workflows.
* Add features only (Option C) would prevent the crews from updating existing features, which is part of their task.
Therefore, the correct answer is A.
NEW QUESTION # 43
A GIS analyst receives a dataset of precipitation change over the past five years, by country, for the entire world. The analyst is creating a map that will display this information. A requirement of the map is to preserve the area of each country.
Which projection should be used?
- A. Mercator
- B. Robinson
- C. Equal Earth
Answer: C
Explanation:
The Equal Earth projection is specifically designed to preserve area across the globe, making it ideal for thematic mapping of global datasets like precipitation change by country. It balances accurate area representation with a visually pleasing appearance for world maps.
* Mercator (Option A) preserves angles but distorts area, especially near the poles.
* Robinson (Option C) is visually pleasing for world maps but distorts both shape and area.
Therefore, the correct answer is B.
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NEW QUESTION # 44
A GIS analyst needs to conduct overlay analysis between two feature classes. All input features must be kept while pulling over only the attributes of the second feature class where geometric intersection exists.
Which tool will provide the expected result?
- A. Identity
- B. Union
- C. Intersect
Answer: A
Explanation:
The Identity tool retains all features from the first input layer and transfers attributes from the second input layer only where intersections occur. This ensures all original features remain while appending intersecting attributes.
* Intersect (Option A) keeps only overlapping areas.
* Union (Option C) keeps all features and all attributes, regardless of intersection.
Therefore, the correct answer is B.
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NEW QUESTION # 45
In ArcGIS Pro, which tool should be used to change the coordinate system of a dataset to a different coordinate system?
- A. Define Projection
- B. Project
- C. Convert Coordinate Notation
Answer: B
Explanation:
The Project tool is used to permanently convert data from one coordinate system to another, recalculating coordinates to match the new spatial reference.
* Define Projection assigns a spatial reference to datasets that do not have one but does not transform coordinates.
* Convert Coordinate Notation converts coordinate formats (such as MGRS, UTM, DMS) but not spatial references.
Therefore, the correct answer is B.
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NEW QUESTION # 46
A GIS technician wants to use raster functions to quickly visualize optimal positioning for solar panels based on a digital elevation model. Requirements state that for the area of interest, the panels must face north.
Additionally, flatter terrain is preferred.
Which function(s) will allow for the quickest visualization of these factors?
- A. Shaded Relief
- B. Aspect-Slope
- C. Curvature, Slope
Answer: B
Explanation:
The Aspect-Slope function combines slope and aspect information from a DEM to help identify ideal orientations and slope conditions for solar panel placement. Since north-facing panels and flatter slopes are required, this function directly provides both variables together for quick visualization.
* Curvature, Slope (Option A) would show slope steepness and surface curvature but not directionality (aspect).
* Shaded Relief (Option B) is only for visual hillshading and does not provide aspect or slope data.
Therefore, the correct answer is C.
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NEW QUESTION # 47
A GIS analyst performs an overlay operation between a city polygon layer and voting districts. The analyst observes multiple tiny slivers that are created because the boundaries of the city layer do not exactly overlap the boundaries of the voting district layer.
Which environment variable should the analyst use to avoid this in the future?
- A. Setting an M tolerance value
- B. Using cell alignment
- C. Setting an XY tolerance
Answer: C
Explanation:
XY Tolerance is used to control how close two vertices can be before they are considered the same point during processing. Setting an appropriate XY tolerance can prevent slivers caused by very small gaps or overlaps when performing overlay operations such as Intersect or Union.
* Cell alignment (Option B) is relevant for raster operations.
* M tolerance (Option C) applies to measures along linear features, not to spatial overlays of polygons.
Therefore, the correct answer is A.
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NEW QUESTION # 48
A GIS intern is digitizing water body features within a state park using Esri's Imagery basemap for reference.
While creating a lake feature, the intern realizes that they mistook a large portion of the lakefront as part of the lake.
Which editing tool should the intern use to modify the lake feature?
- A. Merge
- B. Align Features
- C. Reshape
Answer: C
Explanation:
The Reshape tool allows you to modify an existing polygon's shape by drawing a new boundary for part of the feature. This is ideal for correcting over-digitized areas by trimming or extending specific portions of the lake.
* Merge (Option B) combines multiple features but doesn't reshape geometry.
* Align Features (Option C) is used for snapping and aligning edges between features but not for altering individual shapes.
Therefore, the correct answer is A.
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NEW QUESTION # 49
A GIS technician wants to publish a specific layer from a map to their organizational portal.
Which workflow would support this need?
- A. Share tab > Share As group > Web Layer > Publish Web Layer
- B. Contents pane > Right-click layer > Sharing > Share As Web Layer
- C. Share tab > Share As group > Web Map
Answer: B
Explanation:
When publishing a single layer, the most efficient method is to right-click directly on the layer in the Contents pane and select Sharing > Share As Web Layer. This focuses the publishing operation on the selected layer, reducing the risk of unintentionally publishing the entire map or unrelated content.
* Share As Web Layer (Option A) shares the entire map or selected layers but requires additional manual selection.
* Web Map (Option C) creates a web map (entire map document), not an individual layer.
Therefore, the correct answer is B.
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NEW QUESTION # 50
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