200-901 - Efficient DevNet Associate Exam Test Assessment

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Cisco 200-901 Exam Syllabus Topics:

SectionWeightObjectives
Understanding and Using APIs20%- Interact with APIs
  • 1. Parse and process API responses
  • 2. Make API calls using tools and code
- Describe API architectures
  • 1. HTTP methods, status codes, headers
  • 2. REST, RPC, SOAP
- Authenticate and secure APIs
  • 1. API keys, OAuth2, token-based auth
  • 2. Encryption and data protection
Cisco Platforms and Development15%- Cisco management platforms
  • 1. Cisco DNA Center API
  • 2. Cisco ACI, SD-WAN, NSO
  • 3. Cisco Meraki Dashboard API
  • 4. Cisco IOS XE, RESTCONF, NETCONF
- Use SDKs and tools
  • 1. Cisco SDKs and libraries
  • 2. Python scripts for platform interaction
- Collaboration and cloud platforms
  • 1. Cisco cloud and security APIs
  • 2. Webex APIs
Software Development and Design15%- Use data formats and structures
  • 1. Data serialization and deserialization
  • 2. JSON, XML, YAML
- Understand software development processes
  • 1. Version control with Git
  • 2. Application design patterns and principles
  • 3. Software development methodologies
- Understand basic programming concepts
  • 1. Error handling and debugging
  • 2. Variables, data types, functions, classes
Network Fundamentals15%- Basic network concepts
  • 1. Topologies and connectivity
  • 2. TCP/IP stack, ports, protocols
- Application networking
  • 1. Client-server communication
  • 2. Troubleshooting and monitoring
Application Deployment and Security15%- Deployment models
  • 1. Docker and container orchestration
  • 2. Virtual machines, containers, bare metal
- CI/CD pipelines
  • 1. Pipeline components and workflows
  • 2. Automation tools: Jenkins, GitHub Actions
- Security best practices
  • 1. Secure coding, OWASP Top 10
  • 2. Application testing and vulnerability scanning
Infrastructure and Automation20%- Automation tools and frameworks
  • 1. Ansible, Terraform, Puppet
  • 2. Infrastructure as Code principles
- Model-driven programmability
  • 1. YANG data models
  • 2. Configuration management with scripts
- Network fundamentals
  • 1. Network devices and protocols
  • 2. IP addressing, routing, VLANs

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Cisco DevNet Associate Exam Sample Questions (Q236-Q241):

NEW QUESTION # 236
A developer created a new secure API and is testing the functionality locally. The API was added to a container for further testing, and other team members and applications need to connect to the API. Which command exposes the API in the container as port 8443 and allows connections external to the host?

Answer: A

Explanation:
The docker run command is used to create and start a new container from an image. The -p option maps a port on the host to a port in the container.
* Port Mapping: The syntax -p [host_ip:host_port:container_port/protocol] is used to map ports.
* Exposing Port 8443: The correct mapping to expose the API on port 8443 and allow external connections is 0.0.0.0:443:8443/tcp, which maps port 443 on the host to port 8443 in the container.
Option B correctly maps the ports and allows external connections.
Reference:
Docker Documentation: Docker Run Reference


NEW QUESTION # 237
What are two benefit of managing network configuration via APIs? (Choose two.)

Answer: C,E

Explanation:
Managing network configuration via APIs brings several benefits:
Increased Scalability and Consistency of Network Changes: APIs allow for programmatic control over network configurations, enabling automation of repetitive tasks. This leads to consistent configurations across devices and easier scalability as networks grow.
Reduction in Network Changes Performed Manually: Automation through APIs reduces the need for manual configuration, which decreases the likelihood of human error and increases overall efficiency. These advantages contribute to more reliable and manageable network operations.
Reference: Cisco DevNet Associate Certification Guide, Chapter 3, Section on Network Automation and APIs.


NEW QUESTION # 238
Why is refactoring done during test-driven development?

Answer: C

Explanation:
Refactoring is done during test-driven development (TDD) to improve the maintainability and readability of the code. After writing tests and ensuring that the code passes those tests, developers refactor to clean up the code, making it more efficient and easier to understand without changing its functionality.
A . to enable larger objects and longer methods - Incorrect. Refactoring aims to simplify and streamline code, not make it larger or more complex. B. to improve maintainability and readability - Correct. Refactoring makes the code easier to maintain and understand. C. to ensure that the previous uses of the objects are explained - Incorrect. This is not the purpose of refactoring. D. to ensure the duplication of essential code - Incorrect. Refactoring seeks to reduce code duplication, not ensure it.
Reference:
Test-Driven Development by Example


NEW QUESTION # 239
Fill in the blanks to complete the python script to request a service ticket using the APIC-EM rest API for the user "devnetuser".

Answer:

Explanation:
devnetuser, requests, header
Explanation
Solution as below


NEW QUESTION # 240
A customer's cloud services must:
Migrate services to another data center on demand.
Save the operational state of the machine on demand.
Support Windows and Linux GUIs.
Maximize hardware utilization.
Which type of deployment meets these requirements?

Answer: B

Explanation:
Virtual machines (VMs) provide the flexibility and capabilities required to meet the described requirements. VMs can easily migrate between data centers, save and restore their state, and support various operating systems and GUIs.
Migration: VMs can be moved from one physical server or data center to another, providing high flexibility in resource management.
State Saving: VMs support saving the operational state (snapshots), allowing quick recovery or migration.
Support for GUIs: VMs can run different operating systems, including those with graphical user interfaces (GUIs) like Windows and Linux.
Hardware Utilization: VMs enable better utilization of hardware resources by running multiple VMs on a single physical host.
Reference:
Virtual Machines Overview: VMware VMs


NEW QUESTION # 241
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