Overview

Practice against following topics to achieve great success at your Devnet Associate Exam-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-Clone-Add/remove-Commit-Push / pull-Branch-Merge and handling conflicts-diff-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-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 such as these:-Obtain a list of network devices by using Meraki, Cisco DNA Center, ACI, Cisco SD-WAN, or NSO-Manage spaces, participants, and messages in Webex Teams-Obtain a list of clients / hosts seen on a network using Meraki or Cisco DNA Center-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-Virtual machines-Bare metal-Containers-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-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-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 application

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