Cisco Exam 200-901 Questions Answers Test Simulator

200-901 Exam Topics

1.0 Software Development and Design 15%

• 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

2.0 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

3.0 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:
  • 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 Teams
  • 9.c Obtain a list of clients / hosts seen on a network using Meraki or Cisco DNA Center

4.0 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
  • 3.a Virtual machines
  • 3.b Bare metal
  • 3.c 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

5.0 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

6.0 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

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