Free Cisco Certified DevNet Professional Practice Test

A DevNet engineer is designing a microservices application and needs to ensure that services can discover and communicate with each other dynamically. Which design pattern best addresses this requirement?

An application needs to interact with the Cisco DNA Center API to retrieve network device inventory. Which authentication method should be used for API access?

A developer is building an automation script for Cisco Meraki and needs to handle API rate limiting. The script receives a 429 status code. What is the best practice to handle this situation?

When deploying a containerized application to Kubernetes, which resource type should be used to manage stateful applications that require persistent storage and stable network identities?

A network automation script using NETCONF fails to configure a Cisco IOS XE device. The error indicates an invalid namespace. What is the most likely cause?

Which Python data structure is most appropriate for implementing a caching mechanism where items should be automatically removed after a certain time period?

An application running in a Docker container needs to access sensitive credentials. Following security best practices, how should these credentials be provided?

A developer is creating a REST API and needs to determine the appropriate HTTP method for an operation that retrieves a filtered list of network devices without modifying any data. Which HTTP method is most appropriate?

When implementing CI/CD for a network automation project, at which stage should security scanning for vulnerabilities in dependencies be performed?

A DevNet engineer needs to automate configuration changes across 500 Cisco IOS XE devices. The automation must be idempotent and maintain a source of truth. Which approach is most appropriate?

A microservices application experiences intermittent failures when calling downstream services. Which design pattern should be implemented to prevent cascading failures and provide graceful degradation?

An application needs to consume webhook notifications from Cisco Webex Teams. What must be configured for the application to receive these notifications?

When using the Cisco SD-WAN vManage API, an administrator receives an error indicating insufficient permissions despite having valid credentials. What is the most likely cause?

A network automation script needs to configure VLANs on Cisco switches using the RESTCONF protocol. Which data encoding format is primarily used with RESTCONF?

A development team is implementing a GitOps workflow for infrastructure automation. Which principle is fundamental to GitOps?

An application using the Cisco Meraki Dashboard API needs to retrieve data for multiple organizations efficiently. What is the best practice approach?

When implementing OAuth 2.0 for a web application that integrates with Cisco Webex APIs, which grant type is most appropriate for a server-side application that can securely store credentials?

A containerized application needs to be deployed with automatic scaling based on CPU utilization. Which Kubernetes component is responsible for automatically adjusting the number of pod replicas?

A developer is implementing error handling for a REST API client. An API call returns a 503 Service Unavailable status code. What is the most appropriate action?

An organization wants to implement network programmability using model-driven APIs. Which Cisco platform capability provides structured data models for consistent network device configuration and operational data retrieval?