200-901 Exam Questions
Exam Details
| Vendor: | Cisco |
| Exam Code: | 200-901 |
| Exam Name: | DevNet Associate Exam |
| Certification: | Cisco Certified DevNet Associate |
| Total Questions: | 481 |
| Last Updated: | Mar 04, 2026 |
Original price was: $79.00.$59.00Current price is: $59.00.
Here’s you will get the latest Cisco DEVASC 200-901 up-to-date exam questions with detailed explanations to practie and pass easily in 2026.
Description
Free Cisco 200-901 Exam Actual Questions & Detailed Explanations
Author: Alex Carter, Cisco Certified DevNet Expert
Last updated on: Mar 04, 2026
Alex is a Senior Network Automation Architect with over 12 years of experience bridging the gap between software engineering and enterprise networking. Holding the elite DevNet Expert certification, he specializes in Python scripting, CI/CD pipelines, and Infrastructure as Code (IaC). He has mentored thousands of network engineers transitioning into network programmability.
The Cisco 200-901 DEVASC (DevNet Associate) exam represents a massive shift in the IT industry, breaking down the traditional silos between software developers and network operators. As modern networks move toward intent-based networking and SDN (Software-Defined Networking), manual CLI configuration is no longer sufficient. This certification validates your ability to automate network workflows using Python, consume RESTful APIs, and deploy applications using containerization (Docker) and CI/CD pipelines. Passing the 200-901 exam proves to employers that you possess the next-generation skills required to manage programmable network infrastructure securely and efficiently.
Official 200-901 Exam Syllabus & Core Topics
Unlike traditional CCNA exams, the DevNet Associate blueprint is heavily focused on coding and programmability. You must master the following domains:
- Software Development and Design: Parse data formats (JSON, XML, YAML) using Python. Understand Git version control (clone, add, commit, push, branch) and software methodologies like Agile and Test-Driven Development (TDD).
- Understanding and Using APIs: Construct REST API requests using the Python
requestslibrary. Handle HTTP response codes, API pagination, rate limits, and webhooks. - Cisco Platforms and Development: Interact with Cisco SDKs and APIs for platforms including Meraki, Cisco DNA Center, ACI, Webex, and Cisco SD-WAN (vManage).
- Application Deployment and Security: Understand edge computing, Docker containerization, CI/CD pipelines, and secure coding practices (encrypting data, managing API keys securely).
- Infrastructure and Automation: Differentiate between agent-based and agentless configuration management (Ansible, Terraform, Puppet). Utilize network simulation tools like Cisco Modeling Labs (CML).
- Network Fundamentals: Review core concepts including MAC addresses, VLANs, IPv4/IPv6 subnetting, routing protocols, and the distinction between control, data, and management planes.
Key Exam Domains & Weightage (Updated 2026)
| Exam Domain | Official Weightage |
|---|---|
| 1.0 Software Development and Design | 15% |
| 2.0 Understanding and Using APIs | 20% |
| 3.0 Cisco Platforms and Development | 15% |
| 4.0 Application Deployment and Security | 15% |
| 5.0 Infrastructure and Automation | 20% |
| 6.0 Network Fundamentals | 15% |
Exam Structure at a Glance
- Exam Code: 200-901 DEVASC
- Duration: 120 Minutes
- Number of Questions: 90-110 Questions
- Question Types: Multiple Choice, Drag-and-Drop, Code Snippet Analysis
- Passing Score: Variable (Typically 825 out of 1000)
4-Week Preparation Guidance for 200-901 Exam
You cannot pass the DevNet Associate exam by just reading books; hands-on coding experience is mandatory. Follow this intensive 4-week study plan:
- Week 1: Python, Git & Data Formats. Set up your local development environment. Practice basic Python data structures (lists, dictionaries). Learn to parse JSON and YAML files. Master basic Git commands for version control.
- Week 2: APIs & Cisco Platforms. Utilize Cisco DevNet Sandboxes (always free). Use Postman and the Python
requestslibrary to make GET and POST requests to Meraki, DNA Center, and Webex APIs. Handle HTTP 200 and 400-level status codes. - Week 3: Automation & Deployment. Understand the concepts of Infrastructure as Code (IaC). Write simple Ansible playbooks. Learn the basics of building Docker images using a Dockerfile and understand how CI/CD pipelines automate testing and deployment.
- Week 4: Network Basics & Mock Exams. Review CCNA-level networking basics (OSI model, routing, switching, DNS, DHCP). Spend your final days analyzing code snippets and taking timed practice exams to build speed for the 120-minute test.
Get the Complete 200-901 DEVASC Preparation Toolkit
The 200-901 exam contains tricky Python code snippets and API sequence diagrams that catch many candidates off guard. Ensure your success with ValidExams.com’s premium toolkit.
- Verified Code Scenarios: Practice with realistic Python scripts and JSON payloads that mirror the exact difficulty of the actual Cisco exam.
- In-Depth Technical Explanations: Every question provides a detailed breakdown of the code syntax, explaining why a specific Python function or HTTP header is the correct choice.
- Continuous Blueprint Updates: As Cisco updates its API versions and automation tools, our study materials are continuously refreshed to keep you perfectly aligned with the live exam pool.
Frequently Asked Questions
Do I need to be a software developer to pass the 200-901 exam?
No. While you need to know how to read and write basic Python scripts, the exam does not require you to be a full-stack developer. It focuses on using scripts for infrastructure automation rather than building complex applications.
Should I take CCNA (200-301) before DevNet Associate (200-901)?
It is highly recommended but not strictly required. Having a CCNA foundation helps immensely with Domain 6.0 (Network Fundamentals) and gives you the context needed to understand what you are automating.
What is the best way to practice for the DevNet exam?
The Cisco DevNet Sandboxes are the best free resource available. They provide pre-configured environments where you can test your API calls against live Cisco gear like DNA Center and Meraki dashboards without breaking a production network.
How long is the DevNet Associate certification valid?
Like all Cisco Associate-level certifications, the DevNet Associate is valid for three years. You can recertify by earning Continuing Education (CE) credits or passing another qualifying exam.
Free Practice Questions & Detailed Rationale
Question 1: Data Formats
Which data serialization format relies on indentation (spaces) to define structure and hierarchy, making it highly human-readable and the standard format for Ansible playbooks?
A. XML
B. JSON
C. YAML
D. HTML
Answer: C
Explanation: YAML (YAML Ain’t Markup Language) is a human-readable data serialization standard that uses strict indentation (spaces, not tabs) to define data hierarchy. Because of its clean syntax and lack of brackets or closing tags, it is widely used for configuration management tools like Ansible, as well as CI/CD pipeline definitions and Docker Compose files.
Question 2: Understanding and Using APIs
A developer executes a REST API request to a Cisco DNA Center appliance to retrieve a list of network devices. The server responds with an HTTP status code of 401. What does this status code indicate?
A. The API endpoint does not exist on the server (Not Found).
B. The client lacks valid authentication credentials for the requested resource (Unauthorized).
C. The server successfully processed the request (OK).
D. The server encountered an unexpected internal error (Internal Server Error).
Answer: B
Explanation: In REST API communication, HTTP response codes in the 400 range indicate client-side errors. Specifically, a 401 Unauthorized status means the client request has not been completed because it lacks valid authentication credentials. The developer needs to verify that the authentication token (like a Bearer token) is correctly included in the request headers.
Question 3: Software Development and Design (Git)
You are working in a local Git repository and have modified a Python script named automation.py. You want to stage this specific file so it is ready to be committed to the repository history. Which Git command should you use?
A. git commit -m "Update script"
B. git push origin main
C. git add automation.py
D. git clone automation.py
Answer: C
Explanation: The Git workflow generally follows three steps: modifying files in the working directory, staging them, and committing them. The git add command is used to move changes from the working directory to the staging area. After staging with git add, the developer would then use git commit to save the snapshot to the local repository history.
Question 4: Application Deployment (Docker)
In a containerized application deployment, what is the purpose of a Dockerfile?
A. It orchestrates multiple containers to ensure high availability across a cluster.
B. It lists the Python library dependencies required by an application, similar to requirements.txt.
C. It contains a set of text-based instructions and commands used to assemble a Docker container image.
D. It serves as the primary database storage volume for persistent container data.
Answer: C
Explanation: A Dockerfile is a simple text file that contains a list of commands (instructions) that the Docker daemon calls while building an image. It defines the base OS image, copies necessary application files, sets environment variables, and specifies the command to run when the container starts. Container orchestration (Option A) is handled by tools like Kubernetes or Docker Swarm.
Question 5: Infrastructure and Automation
Which concept describes managing and provisioning computing infrastructure and networks through machine-readable definition files rather than physical hardware configuration or interactive configuration tools?
A. Continuous Integration (CI)
B. Infrastructure as Code (IaC)
C. Test-Driven Development (TDD)
D. Edge Computing
Answer: B
Explanation: Infrastructure as Code (IaC) is the process of managing and provisioning IT infrastructure (such as networks, virtual machines, and load balancers) using configuration files (like YAML or JSON) instead of manual configurations via GUIs or CLI. Tools like Terraform and Ansible are prime examples of IaC, allowing infrastructure setups to be version-controlled, tested, and automated consistently.
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