DevNet Professional DEVCOR (350-901)

-Describing distributed applications related to the concepts of front-end, back-end, and load balancing
-Evaluating an application design considering scalability and modularity
-Evaluating an application design considering high-availability and resiliency (including onpremises, hybrid, and cloud)
-Evaluating an application design considering latency and rate limiting
-Evaluating an application design and implementation considering maintainability
-Evaluating an application design and implementation considering observability
-Diagnosing problems with an application given logs related to an event
-Evaluating choice of database types with respect to application requirements (such as relational, document, graph, columnar, and Time Series)
-Explaining architectural patterns (monolithic, services oriented, microservices, and event driven)
-Utilizing advanced version control operations with Git   
-Explaining the concepts of release packaging and dependency management
-Constructing a sequence diagram that includes API calls

-Implementing robust REST API error handling for time outs and rate limits
-Implementing control flow of consumer code for unrecoverable REST API errors
-Identifying ways to optimize API usage through HTTP cache controls
-Constructing an application that consumes a REST API that supports pagination
-Describing the steps in the OAuth2 three-legged authorization code grant flow

-Constructing API requests to implement chatops with Webex API
-Constructing API requests to create and delete objects using Firepower device management (FDM)
-Constructing API requests using the Meraki platform to accomplish these tasks
-Constructing API calls to retrieve data from Intersight
-Constructing a Python script using the UCS APIs to provision a new UCS server given a template
-Constructing a Python script using the Cisco DNA center APIs to retrieve and display wireless health information
-Describing the capabilities of AppDynamics when instrumenting an application
-Describing steps to build a custom dashboard to present data collected from Cisco APIs

-Diagnosing a CI/CD pipeline failure (such as missing dependency, incompatible versions of components, and failed tests)
-Integrating an application into a prebuilt CD environment leveraging Docker and Kubernetes
-Describing the benefits of continuous testing and static code analysis in a CI pipeline
-Utilizing Docker to containerize an application
-Describing the tenets of the "12-factor app"
-Describing an effective logging strategy for an application
-Explaining data privacy concerns related to storage and transmission of data
-Identifying the secret storage approach relevant to a given scenario
-Configuring application specific SSL certificates
-Implementing mitigation strategies for OWASP threats (such as XSS, CSRF, and SQL injection)
-Describing how end-to-end encryption principles apply to APIs

-Explaining considerations of model-driven telemetry (including data consumption and data storage)
-Utilizing RESTCONF to configure a network device including interfaces, static routes, and VLANs (IOS XE only)
-Constructing a workflow to configure network parameters with:
-Identifying a configuration management solution to achieve technical and business requirements
-Describing how to host an application on a network device (including Catalyst 9000 and Cisco IOx-enabled devices)