Cisco DevNet Associate (200-901 DEVASC)
Practice exam for the Cisco Certified DevNet Associate (DEVASC 200-901). Covers software development, APIs, Cisco platforms, application deployment, infrastructure automation, and network fundamentals.
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Sample Questions — Cisco DevNet Associate (200-901 DEVASC)
5 free sample questions from this practice exam. Correct answers are highlighted.
1. A developer wants to serialize a Python dictionary called `device_data` into a JSON-formatted string to send in an API request body. Which Python statement accomplishes this?
2. A developer is building a YAML configuration file for a network automation playbook. Which of the following is valid YAML syntax for a list of DNS servers?
3. A developer is reviewing REST API documentation and sees that a GET request to `/api/v1/devices` accepts a query parameter `site_id` to filter results by site. How should this parameter be included in the URL?
4. A developer is calling a REST API that uses API Key authentication. The documentation states the key must be sent in a custom HTTP header named `X-API-Key`. Which Python `requests` code correctly includes this header?
5. A developer accesses the Cisco ACI APIC REST API. The APIC uses a proprietary object model. What is the root object class that represents the entire ACI fabric in the APIC object model?
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Study Guides & Articles
How to Pass Cisco DevNet Associate (200-901 DEVASC) in 2026: Complete Study Guide
The Cisco DevNet Associate certification validates the skills needed to build and automate network applications using Cisco platforms. This complete guide covers the 200-901 DEVASC exam format, 6 domains, developer career paths, and a structured 10-week study plan for 2026.
DevNet Associate Deep Dive: Python, REST APIs, and Cisco Platform Automation
Domains 2 and 3 of the DevNet Associate exam cover API usage and Cisco platform automation — together 35% of your score. This deep dive covers REST API fundamentals with Python code examples, Cisco DNA Center and Meraki APIs, and NETCONF/RESTCONF/YANG for model-driven programmability.
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DevNet Associate candidates often know Python and APIs well but lose points on the automation and deployment domains. This guide exposes the most common exam traps in infrastructure as code, Docker containers, CI/CD pipelines, Git workflows, and YANG model questions.