Course Overview:
The Cisco DevNet Associate course (200-901 DEVASC) is designed for IT professionals, developers, and network engineers who want to learn how to develop and maintain applications built on Cisco platforms. This course bridges the gap between traditional networking and modern software development, focusing on automation, programmability, and APIs.
Why This Course is Needed:
With the increasing demand for network automation and software-defined networking (SDN), IT professionals need to understand how to program and automate network devices. This course equips learners with essential skills to streamline operations, reduce manual tasks, and integrate network functions into applications efficiently.
How It is Useful:
- Learn to use Cisco APIs, Python programming, and DevOps tools for network automation.
- Understand how to develop, maintain, and troubleshoot applications that interact with Cisco platforms.
- Gain knowledge in software development, REST APIs, and infrastructure as code.
- Build foundational skills in cybersecurity and network programmability.
Benefits:
- Enhances career opportunities in network automation, software development, and IT operations.
- Prepares for the Cisco DevNet Associate (200-901 DEVASC) certification exam.
- Helps organizations adopt automation strategies to increase efficiency.
Certification Validity & Renewal:
The Cisco DevNet Associate certification is valid for 3 years. To renew, candidates must pass the current version of the exam or earn a higher-level Cisco certification.
Target Audience:
- Network engineers looking to transition to automation roles.
- Software developers working with network applications.
- IT professionals seeking to enhance their programming and DevOps skills in a networking environment.
Key Skills Covered:
- Software development and design fundamentals
- Understanding and using APIs
- Cisco platforms and application deployment
- Network automation and programmability using Python
- Application security and infrastructure automation
The following topics are general guidelines for the content likely to be included on the exam. However,
other related topics may also appear on any specific delivery of the exam. To better reflect the contents
of the exam and for clarity purposes, the guidelines below may change at any time without notice.
15% 1.0 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
8.a. Clone
8.b. Add/remove
8.c. Commit
8.d. Push / pull
8.e. Branch
8.f. Merge and handling conflicts
8.g. diff
20% 2.0 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
15% 3.0 Cisco Platforms and Development
- Construct a Python script that uses a Cisco SDK given SDK documentation
2023 Cisco Systems, Inc. This document is Cisco Public. Page 1 - 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 and Intersight) - Describe the capabilities of Cisco collaboration platforms and APIs (Webex, Webex
devices, Cisco Unified Communication Manager including AXL and UDS interfaces) - Describe the capabilities of Cisco security platforms and APIs (XDR, Firepower, Umbrella,
Secure Endpoint, ISE, and Secure Malware Analytics) - 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:
9.a. Obtain a list of network devices by using Meraki, Cisco DNA Center, ACI, Cisco
SD-WAN, or NSO
9.b. Manage spaces, participants, and messages in Webex
9.c. Obtain a list of clients / hosts seen on a network using Meraki or Cisco DNA
Center
15% 4.0 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
3.a. Virtual machines
3.b. Bare metal
3.c. 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
20% 5.0 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 Cisco Modeling
Labs and pyATS) - Describe the components and benefits of CI/CD pipeline in infrastructure automation
- Describe principles of infrastructure as code
2023 Cisco Systems, Inc. This document is Cisco Public. Page 2 - Describe the capabilities of automation tools such as Ansible, Terraform, and Cisco NSO
- Identify the workflow being automated by a Python script that uses Cisco APIs including
ACI, Meraki, Cisco DNA Center, and 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
15% 6.0 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
