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The "Developing Applications using Cisco Core Platforms and APIs (DEVCOR 350-901)" course on Coursera is an excellent resource for IT professionals aiming to attain the Cisco Certified DevNet Professional Certification. This comprehensive course offers targeted preparation for the associated exam, covering a broad spectrum of essential topics in software development, API integration, Cisco platform capabilities, application deployment, security, and automation. **Course Overview and Content** This course provides a detailed exploration of modern application development in Cisco ecosystems. Spanning critical areas such as software design, API utilization, platform-specific API requests, application deployment, security practices, and infrastructure automation, it equips learners with both theoretical understanding and practical skills. **Key Highlights** - **Software Development & Design:** The curriculum covers distributed applications, scalability, high availability, resilience, latency considerations, maintainability, observability, and architectural patterns (monolithic, microservices, event-driven). It emphasizes diagnosing application issues through logs and choosing suitable database types. - **API Usage & Integration:** Learners will understand REST API principles, error handling, optimization strategies, OAuth2 authorization flows, and constructing API requests across platforms like Webex, Firepower, Meraki, Intersight, UCS, and DNA Center. - **Cisco Platforms:** The course includes practical exercises on creating and managing API requests to Cisco devices and platforms, understanding capabilities of AppDynamics, and building custom dashboards for data visualization. - **Application Deployment & Security:** Emphasizing CI/CD pipelines, containerization with Docker, Kubernetes, secure coding practices, secrets management, SSL/TLS, and mitigation of common OWASP threats, it prepares individuals to deploy secure and reliable applications. - **Infrastructure & Automation:** The course explores network configuration with RESTCONF, automating infrastructure using Ansible and Terraform, and hosting applications directly on network devices. **Review** This course stands out due to its detailed content aligned closely with the certification exam's objectives. The mixture of conceptual explanations and practical, hands-on exercises makes it suitable for learners with some background in networking or software development. The inclusion of real-world use cases, platform-specific API requests, and security strategies adds practical value, making it not just theoretical but also applicable to real-world scenarios. **Recommendation** If you are seeking to deepen your understanding of Cisco's platform APIs, enhance your application development and deployment skills, or prepare effectively for the Cisco DevNet Professional exam, this course is highly recommended. It provides a structured learning path toward mastering key concepts and gaining the confidence needed to succeed in the certification exam and to implement these practices in professional environments. **Final Thoughts** Overall, "Developing Applications using Cisco Core Platforms and APIs" is a robust and well-rounded course that offers critical knowledge for network automation, application development, and platform integration. Whether you're aiming for certification or looking to advance your skills in Cisco ecosystems, this course is a valuable investment in your professional growth.
Welcome to Exam Cisco Certified DevNet Professional 350-901 DEVCOR Verified QA Tests 2025Developing Applications using Cisco Core Platforms and APIsDeveloping Applications using Cisco Core Platforms and APIs (DEVCOR 350-901) is a 120-minute exam associated with the DevNet Professional Certification. This exam certifies a candidate's knowledge of software development and design including using APIs, Cisco platforms, application deployment and security, and infrastructure and automation. The course, Developing Applications using Cisco Core Platforms and APIs helps candidates to prepare for this exam.Exam Topics:-1.0 Software Development and Design1. Describe distributed applications related to the concepts of front-end, back-end, and load balancing2. Evaluate an application design considering scalability and modularity3. Evaluate an application design considering high-availability and resiliency (including onpremises, hybrid, and cloud)4. Evaluate an application design considering latency and rate limiting5. Evaluate an application design and implementation considering maintainability6. Evaluate an application design and implementation considering observability7. Diagnose problems with an application given logs related to an event8. Evaluate choice of database types with respect to application requirements (such asrelational, document, graph, columnar, and Time Series)9. Explain architectural patterns (monolithic, services oriented, microservices, and event driven)10. Utilize advanced version control operations with Git10.a. Merge a branch10.b. Resolve conflicts10.c. git reset10.d. git checkout10.e. git revert11. Explain the concepts of release packaging and dependency management12. Construct a sequence diagram that includes API calls2.0 Using APIs1. Implement robust REST API error handling for time outs and rate limits2. Implement control flow of consumer code for unrecoverable REST API errors3. Identify ways to optimize API usage through HTTP cache controls4. Construct an application that consumes a REST API that supports pagination5. Describe the steps in the OAuth2 three-legged authorization code grant flow3.0 Cisco Platforms1. Construct API requests to implement chatops with Webex API2. Construct API requests to create and delete objects using Firepower device management (FDM)3. Construct API requests using the Meraki platform to accomplish these tasks3.a. Use Meraki Dashboard APIs to enable an SSID3.b. Use Meraki location APIs to retrieve location data4. Construct API calls to retrieve data from Intersight5. Construct a Python script using the UCS APIs to provision a new UCS server given a template6. Construct a Python script using the Cisco DNA center APIs to retrieve and display wireless health information7. Describe the capabilities of AppDynamics when instrumenting an application8. Describe steps to build a custom dashboard to present data collected from Cisco APIs4.0 Application Deployment and Security1. Diagnose a CI/CD pipeline failure (such as missing dependency, incompatible versions of components, and failed tests)2. Integrate an application into a prebuilt CD environment leveraging Docker and Kubernetes3. Describe the benefits of continuous testing and static code analysis in a CI pipeline4. Utilize Docker to containerize an application5. Describe the tenets of the "12-factor app"6. Describe an effective logging strategy for an application7. Explain data privacy concerns related to storage and transmission of data8. Identify the secret storage approach relevant to a given scenario9. Configure application specific SSL certificates10. Implement mitigation strategies for OWASP threats (such as XSS, CSRF, and SQL injection)11. Describe how end-to-end encryption principles apply to APIs5.0 Infrastructure and Automation1. Explain considerations of model-driven telemetry (including data consumption and data storage)2. Utilize RESTCONF to configure a network device including interfaces, static routes, and VLANs (IOS XE only)3. Construct a workflow to configure network parameters with:3.a. Ansible playbook3.b. Terraform4. Identify a configuration management solution to achieve technical and business requirements5. Describe how to host an application on a network device (including Catalyst 9000 andCisco IOx-enabled devices)