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