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Cisco 200-901 Exam Topics:

Section	Weight	Objectives
Software Development and Design	15%	1.Compare data formats (XML, JSON, and YAML) 2.Describe parsing of common data format (XML, JSON, and YAML) to Python data structures 3.Describe the concepts of test-driven development 4.Compare software development methods (agile, lean, and waterfall) 5.Explain the benefits of organizing code into methods / functions, classes, and modules 6.Identify the advantages of common design patterns (MVC and Observer) 7.Explain the advantages of version control 8.Utilize common version control operations with Git Clone Add/remove Commit Push / pull Branch Merge and handling conflicts diff
Understanding and Using APIs	20%	1.Construct a REST API request to accomplish a task given API documentation 2.Describe common usage patterns related to webhooks 3.Identify the constraints when consuming APIs 4.Explain common HTTP response codes associated with REST APIs 5.Troubleshoot a problem given the HTTP response code, request and API documentation 6.Identify the parts of an HTTP response (response code, headers, body) 7.Utilize common API authentication mechanisms: basic, custom token, and API keys 8.Compare common API styles (REST, RPC, synchronous, and asynchronous) 9.Construct a Python script that calls a REST API using the requests library
Application Deployment and Security	15%	1.Describe benefits of edge computing 2.Identify attributes of different application deployment models (private cloud, public cloud, hybrid cloud, and edge) 3.Identify the attributes of these application deployment types Virtual machines Bare metal Containers 4.Describe components for a CI/CD pipeline in application deployments 5.Construct a Python unit test 6.Interpret contents of a Dockerfile 7.Utilize Docker images in local developer environment 8.Identify application security issues related to secret protection, encryption (storage and transport), and data handling 9.Explain how firewall, DNS, load balancers, and reverse proxy in application deployment 10.Describe top OWASP threats (such as XSS, SQL injections, and CSRF) 11.Utilize Bash commands (file management, directory navigation, and environmental variables) 12.Identify the principles of DevOps practices
Infrastructure and Automation	20%	1.Describe the value of model driven programmability for infrastructure automation 2.Compare controller-level to device-level management 3.Describe the use and roles of network simulation and test tools (such as VIRL and pyATS) 4.Describe the components and benefits of CI/CD pipeline in infrastructure automation 5.Describe principles of infrastructure as code 6.Describe the capabilities of automation tools such as Ansible, Puppet, Chef, and Cisco NSO 7.Identify the workflow being automated by a Python script that uses Cisco APIs including ACI, Meraki, Cisco DNA Center, or RESTCONF 8.Identify the workflow being automated by an Ansible playbook (management packages, user management related to services, basic service configuration, and start/stop) 9.Identify the workflow being automated by a bash script (such as file management, app install, user management, directory navigation) 10.Interpret the results of a RESTCONF or NETCONF query 11.Interpret basic YANG models 12.Interpret a unified diff 13.Describe the principles and benefits of a code review process 14.Interpret sequence diagram that includes API calls
Network Fundamentals	15%	1.Describe the purpose and usage of MAC addresses and VLANs 2.Describe the purpose and usage of IP addresses, routes, subnet mask / prefix, and gateways 3.Describe the function of common networking components (such as switches, routers, firewalls, and load balancers) 4.Interpret a basic network topology diagram with elements such as switches, routers, firewalls, load balancers, and port values 5.Describe the function of management, data, and control planes in a network device 6.Describe the functionality of these IP Services: DHCP, DNS, NAT, SNMP, NTP 7.Recognize common protocol port values (such as, SSH, Telnet, HTTP, HTTPS, and NETCONF) 8.Identify cause of application connectivity issues (NAT problem, Transport Port blocked, proxy, and VPN) 9.Explain the impacts of network constraints on applications
Cisco Platforms and Development	15%	1.Construct a Python script that uses a Cisco SDK given SDK documentation 2.Describe the capabilities of Cisco network management platforms and APIs (Meraki, Cisco DNA Center, ACI, Cisco SD-WAN, and NSO) 3.Describe the capabilities of Cisco compute management platforms and APIs (UCS Manager, UCS Director, and Intersight) 4.Describe the capabilities of Cisco collaboration platforms and APIs (Webex Teams, Webex devices, Cisco Unified Communication Manager including AXL and UDS interfaces, and Finesse) 5.Describe the capabilities of Cisco security platforms and APIs (Firepower, Umbrella, AMP, ISE, and ThreatGrid) 6.Describe the device level APIs and dynamic interfaces for IOS XE and NX-OS 7.Identify the appropriate DevNet resource for a given scenario (Sandbox, Code Exchange, support, forums, Learning Labs, and API documentation) 8.Apply concepts of model driven programmability (YANG, RESTCONF, and NETCONF) in a Cisco environment 9.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

Cisco 200-901 Exam Certification Details:

Exam Price	$300 USD
Passing Score	Variable (750-850 / 1000 Approx.)
Recommended Training	Developing Applications and Automating Workflows using Cisco Core Platforms (DEVASC)
Exam Name	Developing Applications and Automating Workflows using Cisco Core Platforms
Sample Questions	Cisco 200-901 Sample Questions
Exam Registration	PEARSON VUE
Duration	120 minutes
Number of Questions	90-110
Exam Code	200-901 DEVASC

Exam Topics

The applicants must develop their knowledge and mastery of the exam domains in advance. The following is the overview of the subject areas that are included in this certification test:

Software Design & Development: The first section measures the proficiency of the test takers in the following:

• Explanation of the benefits of version control
• Utilization of general version control operations with Git
• Comparison of data formats
• Explanation of the advantages of arranging code into functions/methods, classes as well as modules
• Description of parsing of general data format to Python data structures
• Identification of the benefits of general design patterns (Observer and MVC)
• Comparison of application development methods (waterfall, lean, and agile)

The Cisco 200-901 exam measures the expertise and skills of the candidates in software design and development. It includes their knowledge of Cisco platforms, APIs, application security and development as well as infrastructure and automation. The professionals who ace this test are eligible to earn the Cisco Certified DevNet Associate certification.

Reference: https://www.cisco.com/c/en/us/training-events/training-certifications/exams/current-list/devasc-200-901.html?wcmmode=disabled

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