ArcGIS Maps SDK for JavaScript Associate Practice Exam 75 Practice
Questions with Correct Answers and Detailed Explanations Based on
the EJSA 2026 Exam Blueprint
---
Question 1. What is the primary purpose of the ArcGIS Maps SDK for JavaScript?
A) Creating standalone mobile applications
B) Building interactive web maps and spatial applications
C) Designing desktop GIS software
D) Managing relational databases
Correct Answer: B
Explanation: The ArcGIS Maps SDK for JavaScript is specifically designed to build interactive web
mapping and spatial analysis applications that run in web browsers, not as standalone desktop
or mobile applications .
---
Question 2. Which of the following best describes a key capability of the ArcGIS Maps SDK for
JavaScript?
A) Data warehousing
B) Real-time spatial visualization
C) Image editing
,D) Financial forecasting
Correct Answer: B
Explanation: One of the key capabilities of the SDK is enabling real-time spatial visualization on
web maps, allowing dynamic interaction with geographic data .
---
Question 3. How does the ArcGIS Maps SDK for JavaScript primarily differ from traditional
desktop GIS software?
A) It is only for mobile devices
B) It runs directly in web browsers
C) It uses a different database engine
D) It cannot display spatial data
Correct Answer: B
Explanation: The SDK is web-based, allowing maps to be rendered directly in browsers rather
than on desktop systems. This enables cross-platform accessibility without installation .
---
Question 4. What is a necessary first step when setting up the development environment for
the ArcGIS Maps SDK for JavaScript?
,A) Installing dedicated GIS desktop software
B) Configuring a web server and package manager
C) Setting up a cloud database
D) Purchasing proprietary hardware
Correct Answer: B
Explanation: Developers need to set up a web server environment and configure package
managers like npm to manage dependencies. This ensures proper loading of the SDK modules .
---
Question 5. Which module architecture feature is central to the ArcGIS Maps SDK for JavaScript?
A) Monolithic structure
B) Modular architecture
C) Procedural programming
D) Scripting without modules
Correct Answer: B
Explanation: The SDK utilizes a modular architecture, allowing developers to import only the
modules they need. This improves performance and reduces application size .
---
, Question 6. When importing modules in the ArcGIS Maps SDK for JavaScript, which keyword is
commonly used in modern JavaScript?
A) include
B) require
C) import
D) load
Correct Answer: C
Explanation: Modern JavaScript uses the `import` keyword to include modules in the
application. The SDK supports ES modules for clean, efficient code organization .
---
Question 7. What resource is crucial for understanding the usage of ArcGIS API for JavaScript
modules?
A) Esri's official documentation
B) Random online forums
C) Offline manuals only
D) Proprietary software manuals
Correct Answer: A
Explanation: Esri's official documentation provides comprehensive information on module
usage, API references, and resources. It should be the primary resource for developers .
Questions with Correct Answers and Detailed Explanations Based on
the EJSA 2026 Exam Blueprint
---
Question 1. What is the primary purpose of the ArcGIS Maps SDK for JavaScript?
A) Creating standalone mobile applications
B) Building interactive web maps and spatial applications
C) Designing desktop GIS software
D) Managing relational databases
Correct Answer: B
Explanation: The ArcGIS Maps SDK for JavaScript is specifically designed to build interactive web
mapping and spatial analysis applications that run in web browsers, not as standalone desktop
or mobile applications .
---
Question 2. Which of the following best describes a key capability of the ArcGIS Maps SDK for
JavaScript?
A) Data warehousing
B) Real-time spatial visualization
C) Image editing
,D) Financial forecasting
Correct Answer: B
Explanation: One of the key capabilities of the SDK is enabling real-time spatial visualization on
web maps, allowing dynamic interaction with geographic data .
---
Question 3. How does the ArcGIS Maps SDK for JavaScript primarily differ from traditional
desktop GIS software?
A) It is only for mobile devices
B) It runs directly in web browsers
C) It uses a different database engine
D) It cannot display spatial data
Correct Answer: B
Explanation: The SDK is web-based, allowing maps to be rendered directly in browsers rather
than on desktop systems. This enables cross-platform accessibility without installation .
---
Question 4. What is a necessary first step when setting up the development environment for
the ArcGIS Maps SDK for JavaScript?
,A) Installing dedicated GIS desktop software
B) Configuring a web server and package manager
C) Setting up a cloud database
D) Purchasing proprietary hardware
Correct Answer: B
Explanation: Developers need to set up a web server environment and configure package
managers like npm to manage dependencies. This ensures proper loading of the SDK modules .
---
Question 5. Which module architecture feature is central to the ArcGIS Maps SDK for JavaScript?
A) Monolithic structure
B) Modular architecture
C) Procedural programming
D) Scripting without modules
Correct Answer: B
Explanation: The SDK utilizes a modular architecture, allowing developers to import only the
modules they need. This improves performance and reduces application size .
---
, Question 6. When importing modules in the ArcGIS Maps SDK for JavaScript, which keyword is
commonly used in modern JavaScript?
A) include
B) require
C) import
D) load
Correct Answer: C
Explanation: Modern JavaScript uses the `import` keyword to include modules in the
application. The SDK supports ES modules for clean, efficient code organization .
---
Question 7. What resource is crucial for understanding the usage of ArcGIS API for JavaScript
modules?
A) Esri's official documentation
B) Random online forums
C) Offline manuals only
D) Proprietary software manuals
Correct Answer: A
Explanation: Esri's official documentation provides comprehensive information on module
usage, API references, and resources. It should be the primary resource for developers .
