Cisco Certified DevNet Associate

Module 1: Software Development and Design

• Compare data formats (XML, JSON, and YAML)

• Describe parsing of common data format (XML, JSON, and YAML) to Python data structures

• Describe the concepts of test-driven development

• Compare software development methods (agile, lean, and waterfall)

• Explain the benefits of organizing code into methods/functions, classes, and modules

• Identify the advantages of common design patterns (MVC and Observer)

• Explain the advantages of version control

• Utilize common version control operations with Git

 

Module 2: Understanding and Using APIs

• Construct a REST API request to accomplish a task given API documentation

• Describe common usage patterns related to webhooks

• Identify the constraints when consuming APIs

• Explain common HTTP response codes associated with REST APIs

• Troubleshoot a problem given the HTTP response code, request and API documentation

• Identify the parts of an HTTP response (response code, headers, body)

• Utilize common API authentication mechanisms: basic, custom token, and API keys

• Compare common API styles (REST, RPC, synchronous, and asynchronous)

• Construct a Python script that calls a REST API using the requests library

 

Module 3: Cisco Platforms and Development

• Construct a Python script that uses a Cisco SDK given SDK documentation

• Describe the capabilities of Cisco network management platforms and APIs (Meraki, Cisco DNA Center, ACI, Cisco SD-WAN, and NSO)

• Describe the capabilities of Cisco compute management platforms and APIs (UCS Manager, UCS Director, and Intersight)

• Describe the capabilities of Cisco collaboration platforms and APIs (Webex Teams, Webex devices, Cisco Unified Communication Manager including AXL and UDS interfaces, and Finesse)

• Describe the capabilities of Cisco security platforms and APIs (Firepower, Umbrella, AMP, ISE, and ThreatGrid)

• Describe the device level APIs and dynamic interfaces for IOS XE and NX-OS

• Identify the appropriate DevNet resource for a given scenario (Sandbox, Code Exchange, support, forums, Learning Labs, and API documentation)

• Apply concepts of model driven programmability (YANG, RESTCONF, and NETCONF) in a Cisco environment

• Construct code to perform a specific operation based on a set of requirements and given API reference documentation

 

Module 4: Application Deployment and Security

• Describe benefits of edge computing

• Identify attributes of different application deployment models (private cloud, public cloud, hybrid cloud, and edge)

• Identify the attributes of these application deployment types

• Describe components for a CI/CD pipeline in application deployments

• Construct a Python unit test

• Interpret contents of a Dockerfile

• Utilize Docker images in local developer environment

• Identify application security issues related to secret protection, encryption (storage and transport), and data handling

• Explain how firewall, DNS, load balancers, and reverse proxy in application deployment

• Describe top OWASP threats (such as XSS, SQL injections, and CSRF)

• Utilize Bash commands (file management, directory navigation, and environmental variables)

• Identify the principles of DevOps practices

 

Module 5: Infrastructure and Automation

• Describe the value of model driven programmability for infrastructure automation

• Compare controller-level to device-level management

• Describe the use and roles of network simulation and test tools (such as VIRL and pyATS)

• Describe the components and benefits of CI/CD pipeline in infrastructure automation

• Describe principles of infrastructure as code

• Describe the capabilities of automation tools such as Ansible, Puppet, Chef, and Cisco NSO

• Identify the workflow being automated by a Python script that uses Cisco APIs including ACI, Meraki, Cisco DNA Center, or RESTCONF

• Identify the workflow being automated by an Ansible playbook (management packages, user management related to services, basic service configuration, and start/stop)

• Identify the workflow being automated by a bash script (such as file management, app install, user management, directory navigation)

• Interpret the results of a RESTCONF or NETCONF query

• Interpret basic YANG models

• Interpret a unified diff

• Describe the principles and benefits of a code review process

• Interpret sequence diagram that includes API calls

 

Module 6: Network Fundamentals

• Describe the purpose and usage of MAC addresses and VLANs

• Describe the purpose and usage of IP addresses, routes, subnet mask / prefix, and gateways

• Describe the function of common networking components (such as switches, routers, firewalls, and load balancers)

• Interpret a basic network topology diagram with elements such as switches, routers, firewalls, load balancers, and port values

• Describe the function of management, data, and control planes in a network device

• Describe the functionality of these IP Services: DHCP, DNS, NAT, SNMP, NTP

• Recognize common protocol port values (such as, SSH, Telnet, HTTP, HTTPS, and NETCONF)

• Identify cause of application connectivity issues (NAT problem, Transport Port blocked, proxy, and VPN)

• Explain the impacts of network constraints on applications