Chapter 1 of 7
🚀 Getting Started: Exam Overview
2 sections · read, flip the key terms, then check yourself.
1.1
Understanding the DEVASC Exam Structure
Understanding the structure of any certification exam is crucial for effective preparation, and the DEVASC is no exception. Knowing the exam's format, question types, and topic weightings allows you to focus your study efforts efficiently, directly impacting your success both on the exam and in applying these skills in real-world development scenarios.
Exam Format and Administration
The Cisco DevNet Associate (DEVASC 200-901) exam is a 120-minute assessment designed to test your knowledge of software development and design, understanding and using APIs, Cisco platforms, application deployment and security, and infrastructure and automation. It is administered by Pearson VUE, a global leader in computer-based testing. The exam typically consists of approximately 100-110 questions, though the exact number can vary slightly. These questions are primarily multiple-choice, but you may also encounter other formats such as drag-and-drop, fill-in-the-blank, and simulation-based items. There is no penalty for guessing, so it's always best to answer every question. To pass, candidates must achieve a minimum score, which Cisco does not publicly disclose but is generally around 80-85%. You will receive a pass or fail result immediately after completing the exam, along with a score report detailing your performance across the different exam domains.
Exam Domains and Weightings
The DEVASC exam is organized into six main domains, each representing a specific area of knowledge and contributing a defined percentage to your overall score. These weightings are critical because they indicate the relative importance of each topic area, guiding your study priorities. The domains are: Software Development and Design (20%), Understanding and Using APIs (20%), Cisco Platforms (20%), Application Deployment and Security (15%), Infrastructure and Automation (20%), and Network Fundamentals (5%). Notice that 'Network Fundamentals' has the lowest weighting, indicating it's foundational but not the primary focus of the exam, which leans heavily into development and automation. Focusing your study time proportionally to these weightings is a smart strategy. For example, dedicating more time to APIs, software development, and Cisco platforms will likely yield greater returns than spending an excessive amount of time on network fundamentals, given their respective contributions to your final score.
Question Types You Will Encounter
While multiple-choice questions are the most common, the DEVASC exam incorporates a variety of question types to thoroughly assess your understanding and practical skills. Single-choice multiple-choice questions require you to select one best answer from several options. Multiple-choice, multiple-answer questions require you to select all correct options, and you must select every correct option to get full credit. Drag-and-drop questions involve moving items from one column to another to correctly complete a task or match concepts. Fill-in-the-blank questions require you to type in a missing word or phrase. Simulation-based questions, though less frequent, are designed to test your ability to perform tasks within a simulated environment, such as configuring a device or writing a simple script. These questions are designed to mimic real-world scenarios you might encounter as a DevNet Associate.
Passing Score and Retake Policy
Cisco does not publish the exact passing score for its certification exams, including DEVASC. This is a common practice to prevent candidates from aiming for a minimum score rather than a comprehensive understanding of the material. However, historical data and common knowledge suggest a passing score typically falls in the range of 800-850 out of a possible 1000 points. If you do not pass the exam on your first attempt, Cisco has a retake policy. For Associate-level exams, you must wait a minimum of five calendar days, beginning the day after the failed attempt, before you can retake the same exam. This waiting period is designed to give candidates time to review the areas where they performed poorly and improve their knowledge before reattempting the exam.
📌 Workplace example: Prioritizing Learning for a Project
A junior developer is assigned to a project that heavily involves integrating with various REST APIs and automating network device configurations. They also need to understand basic network connectivity.
What to do: Based on the DEVASC domain weightings, the developer should prioritize learning about 'Understanding and Using APIs' (20%) and 'Infrastructure and Automation' (20%). While 'Network Fundamentals' (5%) is important, it should be a lower priority for deep dives compared to the higher-weighted, directly relevant topics for the project.
Takeaway: Exam weightings reflect real-world importance for a DevNet Associate role, guiding your learning focus.
📌 Workplace example: Interpreting a Score Report
An IT professional takes the DEVASC exam and receives a score report showing low performance in 'Application Deployment and Security' and 'Cisco Platforms'.
What to do: The professional should review the detailed score report to identify specific sub-topics within those domains where they struggled. They should then focus their study efforts on those particular areas, using official Cisco documentation and practice labs, before reattempting the exam.
Takeaway: Exam score reports provide actionable feedback to improve specific weak areas for future attempts and job performance.
Key terms — tap to check
Memory trick: To remember the high-weight domains: 'APIs, Software, Platforms, Automation' (ASPA) are the big ones. Network Fundamentals is tiny!
Common mistakes
- Spending too much time on low-weighted topics like Network Fundamentals, neglecting higher-weighted areas.
- Not understanding the different question types, especially multiple-answer or simulation questions, which require specific strategies.
- Ignoring the score report after a failed attempt, missing valuable feedback on weak areas.
Which of the following DEVASC exam domains carries the lowest weighting?
1.2
Navigating Cisco DevNet Resources
Cisco DevNet is your primary resource for understanding and working with Cisco APIs and platforms. On the job, DevNet provides crucial documentation and tools for automation and integration. For the DEVASC exam, familiarity with DevNet is essential, as many questions test your ability to use these resources effectively.
What is Cisco DevNet?
Cisco DevNet is Cisco's developer program, providing developers and network engineers with tools, resources, and learning materials to build applications and integrations with Cisco technologies. It's a comprehensive platform designed to support automation, programmability, and software development across Cisco's product portfolio. DevNet offers a wide array of resources including API documentation, SDKs (Software Development Kits), code samples, learning labs, sandboxes, and a vibrant developer community. It's not just for developers; network engineers increasingly use DevNet to automate network operations, integrate systems, and extend network capabilities through software.
Key Sections of the DevNet Website
The Cisco DevNet website is organized into several key sections to help users find what they need. The 'Technologies' section provides overviews and links to documentation for various Cisco platforms like Meraki, DNA Center, Webex, and Security. The 'Learning' section offers tutorials, learning paths, and certifications, including resources specifically for the DevNet Associate exam. The 'Sandboxes' section is critical for hands-on practice, offering access to real Cisco equipment and software environments. The 'Code Exchange' provides a repository of community-contributed code samples and solutions. Finally, the 'Community' section allows developers to connect, ask questions, and share knowledge with peers and Cisco experts.
Understanding DevNet Sandboxes
DevNet Sandboxes provide free, on-demand access to real Cisco hardware and software environments. These sandboxes are crucial for practicing API calls, testing automation scripts, and exploring new features without needing to purchase or set up physical equipment. They come in two main types: Always-On and Reservable. Always-On sandboxes are continuously available for quick experimentation, often with shared access. Reservable sandboxes offer dedicated access to a specific environment for a set period, allowing for more extensive testing and development. Using sandboxes is a fundamental skill for any DevNet professional and directly supports exam objectives requiring practical application of APIs.
Finding API Documentation and Code Examples
Locating API documentation is straightforward on DevNet. Each technology section typically has dedicated API reference guides, often including interactive documentation like Swagger UI or OpenAPI specifications. These provide detailed information on endpoints, request/response formats, authentication methods, and error codes. Code examples are abundant on DevNet. Beyond the dedicated 'Code Exchange,' many API documentation pages include snippets in various programming languages (e.g., Python, Postman). Learning labs also provide step-by-step instructions with accompanying code. Mastering the ability to quickly find and interpret this information is vital for both daily tasks and exam success.
DevNet and Your DEVASC Exam Preparation
For the DEVASC exam, DevNet is not just a reference; it's an integral part of your study plan. Many exam questions are designed to test your familiarity with DevNet's structure and resources. You should practice navigating the site, finding specific API documentation, and understanding how to utilize sandboxes. Regularly exploring DevNet's learning paths, completing labs, and reviewing code examples will reinforce your understanding of programmability concepts and Cisco APIs. The exam expects you to know where to find information and how to apply it, making hands-on interaction with DevNet indispensable.
📌 Workplace example: Automating a new network device
Your team needs to automate the initial configuration of a new Cisco Catalyst 9k switch using Python. You're unfamiliar with the specific API endpoints for this switch.
What to do: You would navigate to the 'Technologies' section on DevNet, find the Catalyst 9k documentation, and locate the 'Programmability' or 'API Reference' section. Here, you'd find the relevant REST API endpoints and data models for configuration, often with Python code examples.
Takeaway: DevNet is the authoritative source for API documentation when integrating with Cisco devices.
📌 Workplace example: Testing a Webex Teams bot
You've developed a simple bot for Webex Teams but need to test its functionality against a live Webex environment without affecting production users.
What to do: You would go to the 'Sandboxes' section on DevNet, specifically looking for a 'Webex Teams' sandbox. You could either use an Always-On sandbox for quick tests or reserve a dedicated one for more extensive development and debugging.
Takeaway: DevNet Sandboxes provide safe, free environments for testing and developing with Cisco platforms.
Key terms — tap to check
Memory trick: To navigate DevNet, remember 'T-L-S-C-C': Technologies, Learning, Sandboxes, Code Exchange, Community. It's like finding your way through a library!
Common mistakes
- Not using DevNet Sandboxes for hands-on practice, relying only on theoretical knowledge.
- Failing to explore the 'Learning' section for specific DEVASC study materials and labs.
- Underestimating the importance of navigating DevNet quickly to find relevant API documentation.
Which section of Cisco DevNet provides free, on-demand access to real Cisco hardware and software environments for testing?