Developing Applications using Cisco Core Platforms and APIs (DEVCOR)

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Developing Applications using Cisco Core Platforms and APIs (DEVCOR) Course Overview

The Developing Applications Using Cisco Core Platforms and APIs (DEVCOR) v1.0 course helps you prepare for Cisco DevNet Professional certification and for professional-level network automation engineer roles. You will learn how to implement network applications using Cisco® platforms as a base, from initial software design to diverse system integration, as well as testing and deployment automation. The course gives you hands-on experience solving real world problems using Cisco Application Programming Interfaces (APIs) and modern development tools.

This course helps you prepare to take the 350-901 Developing Applications Using Cisco Core Platforms and APIs (DEVCOR) exam. By passing this exam, you satisfy the core exam requirement toward Cisco Certified DevNet Professional, and you earn the Cisco Certified DevNet Specialist – Core certification.

Course duration

  • Instructor-led training: 5 days in the classroom and 3 days of self-study
  • Virtual instructor-led training: Equivalent of 5 days of classroom instruction and 3 days of self-study

How you'll benefit

This course will help you:

  • Take full advantage of the network and software development practices when you implement applications to fulfill business needs
  • Gain proficiency with applications, automation, and Cisco platforms
  • Earn 64 CE credits toward recertification
  • Prepare for the 350-901 DEVCOR exam, which satisfies the core exam requirement toward Cisco Certified DevNet Professional, and earns Cisco Certified DevNet Specialist – Core 

Who should enroll

This course is designed for anyone who performs or seeks to perform a developer role and has one or more years of hands-on experience developing and maintaining applications that are built on top of Cisco platforms.

This course covers specialized material about designing, developing, and debugging applications using Cisco APIs and platforms, and managing and deploying applications on Cisco infrastructure. To fully benefit from this course, you should have three to five years of experience designing and implementing applications that are built on top of Cisco platforms.

The course is appropriate for:

  • Network engineers expanding their skill-base to include software and automation
  • Developers expanding expertise in automation and DevOps
  • Solution architects moving to the Cisco ecosystem
  • Infrastructure developers designing hardened production environments

The job roles best suited to the material in this course are:

  • Senior network automation engineer
  • Senior software developer
  • Senior system integration programmer

Additional job roles that could find this course useful are:

  • Senior infrastructure architect
  • Senior network designer
  • Senior test development engineer

Students preparing for Cisco Certified DevNet Professional and Cisco Certified DevNet Specialist – Core certification will also find this material useful.

 

Course details

Objectives

After taking this course, you should be able to:

  • Describe the architectural traits and patterns that improve application maintainability
  • Describe the architectural traits and patterns that improve application serviceability
  • Identify steps to design and build a ChatOps application
  • Implement robust Representational State Transfer (REST) API integrations with network error handling, pagination, and error flow control
  • Describe the necessary steps for securing user and system data in applications
  • Describe the necessary steps for securing applications
  • Identify common tasks in automated application release process
  • Describe best practices for application deployment
  • Describe methodologies for designing distributed systems
  • Describe the concepts of infrastructure configuration management and device automation
  • Utilize Yet Another Next Generation (YANG) data models to describe network configurations and telemetry
  • Compare various relational and nonrelational database types and how to select the appropriate type based on requirements

Prerequisites

There are no formal prerequisites for Cisco Certified DevNet Associate certification, but you should make sure to have a good understanding of the exam topics before taking the exam.

Before taking this course, you should have:

  • Knowledge of program design and coding with focus on Python
  • Familiarity with Ethernet, TCP/IP, and Internet-related networking
  • Understand the utilization of APIs
  • Understanding of software development and design methodologies
  • Hands-on experience with a programming language (specifically Python)

Here are Cisco learning resources that can help you prepare:

  • Developing Applications and Automating Workflows Using Cisco Core Platforms (DEVASC)

 

Outline

This class includes lecture sections and self-study sections. In instructor-led classes, lectures are delivered in real-time, either in person or via video conferencing.

 
 

Section title

Learning mode
Designing for Maintainability Self-study
Designing for Serviceability Self-study
Implementing ChatOps Application Lecture
Describing Advanced REST API Integration Lecture
Securing Application Data Self-study
Securing Web and Mobile Applications Self-study
Automating Application-Release Lecture
Deploying Applications Lecture
Understanding Distributed Systems Lecture
Orchestrating Network and Infrastructure Lecture
Modeling Data with YANG Lecture
Using Relational and Non-Relational Databases Self-study

 

Lab outline

  • Construct Sequence Diagram
  • Construct Web Sequence Diagram
  • Use Cisco Webex Teams™ API to Enable ChatOps
  • Integrate Cisco Meraki™ API to List Service Set Identifiers (SSIDs) and Retrieve Location Data
  • Use Paginated REST API Endpoint
  • Utilize REST API Error Control Flow Techniques
  • Evaluate Application for Common Open Web Application Security Project (OWASP) Vulnerabilities
  • Resolve Merge Conflicts with Git
  • Diagnose Continuous Integration and Continuous Delivery (CI/CD) Pipeline Failures
  • Containerize Application Using Docker
  • Integrate Application into Existing CI/CD Environment
  • Diagnose Problems Using Application Logs
  • Configure Network Parameters Using Ansible and Puppet
  • Synchronize Firepower Device Configuration
  • Utilize RESTCONF for Network Configuration
  • Query Relational Database
  • Query Document Store
  • Query Time Series Database
  • Query Graph Database

 

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You will learn:

Module 1: Software Development and Design
  • Describe distributed applications related to the concepts of front-end, back-end, and load balancing
  • Evaluate an application design considering scalability and modularity
  • Evaluate an application design considering high-availability and resiliency (including onpremises, hybrid, and cloud)
  • Evaluate an application design considering latency and rate limiting
  • Evaluate an application design and implementation considering maintainability
  • Evaluate an application design and implementation considering observability
  • Diagnose problems with an application given logs related to an event
  • Evaluate choice of database types with respect to application requirements (such as relational, document, graph, columnar, and Time Series)
  • Explain architectural patterns (monolithic, services oriented, microservices, and event driven)
  • Utilize advanced version control operations with Git
  • Explain the concepts of release packaging and dependency management
  • Construct a sequence diagram that includes API calls
  • Implement robust REST API error handling for time outs and rate limits
  • Implement control flow of consumer code for unrecoverable REST API errors
  • Identify ways to optimize API usage through HTTP cache controls
  • Construct an application that consumes a REST API that supports pagination
  • Describe the steps in the OAuth2 three-legged authorization code grant flow
  • Construct API requests to implement chatops with Webex Teams API
  • Construct API requests to create and delete objects using Firepower device management (FDM)
  • Construct API requests using the Meraki platform to accomplish these tasks
  • Construct API calls to retrieve data from Intersight
  • Construct a Python script using the UCS APIs to provision a new UCS server given a template
  • Construct a Python script using the Cisco DNA center APIs to retrieve and display wireless health information
  • Describe the capabilities of AppDynamics when instrumenting an application
  • Describe steps to build a custom dashboard to present data collected from Cisco APIs
  • Diagnose a CI/CD pipeline failure (such as missing dependency, incompatible versions of components, and failed tests)
  • Integrate an application into a prebuilt CD environment leveraging Docker and Kubernetes
  • Describe the benefits of continuous testing and static code analysis in a CI pipeline
  • Utilize Docker to containerize an application
  • Describe the tenets of the "12-factor app"
  • Describe an effective logging strategy for an application
  • Explain data privacy concerns related to storage and transmission of data
  • Identify the secret storage approach relevant to a given scenario
  • Configure application specific SSL certificates
  • Implement mitigation strategies for OWASP threats (such as XSS, CSRF, and SQL injection)
  • Describe how end-to-end encryption principles apply to APIs
  • Explain considerations of model-driven telemetry (including data consumption and data storage)
  • Utilize RESTCONF to configure a network device including interfaces, static routes, and VLANs (IOS XE only)
  • Construct a workflow to configure network parameters with:
  • Identify a configuration management solution to achieve technical and business requirements
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Course Prerequisites

Prerequisites

There are no formal prerequisites for Cisco Certified DevNet Associate certification, but you should make sure to have a good understanding of the exam topics before taking the exam.

Before taking this course, you should have:

  • Knowledge of program design and coding with focus on Python
  • Familiarity with Ethernet, TCP/IP, and Internet-related networking
  • Understand the utilization of APIs
  • Understanding of software development and design methodologies
  • Hands-on experience with a programming language (specifically Python)

Here are Cisco learning resources that can help you prepare:

  • Developing Applications and Automating Workflows Using Cisco Core Platforms (DEVASC)

 

 

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