Cisco DevNet Certifications - DevNet Specialist
1 Introduction to Cisco DevNet
2 Cisco DevNet Certifications Overview
1 DevNet Associate
2 DevNet Professional
3 DevNet Specialist
3 DevNet Specialist Certification Path
1 Core Competencies
2 Specialization Tracks
4 DevNet Specialist - Enterprise Automation and Programmability
1 Introduction to Enterprise Automation
2 Network Programmability Concepts
3 Cisco DNA Center APIs
4 Cisco IOS XE Programmability
5 Cisco ACI Programmability
6 Cisco SD-WAN Programmability
7 Cisco UCS Programmability
8 Automation Tools and Frameworks
9 Python for Network Engineers
10 RESTful APIs and HTTP Methods
11 JSON and XML Data Formats
12 YANG Data Modeling
13 NETCONF and RESTCONF
14 Ansible for Network Automation
15 Puppet for Network Automation
16 Git and Version Control
17 CICD Pipelines for Network Automation
18 Troubleshooting Automation Issues
5 DevNet Specialist - Network Programmability and Automation
1 Introduction to Network Programmability
2 Network Automation Concepts
3 Cisco NX-API and NX-OS Programmability
4 Cisco IOS XR Programmability
5 Cisco Meraki Programmability
6 Cisco Catalyst 9000 Series Programmability
7 Cisco SD-Access Programmability
8 Network Automation Tools and Frameworks
9 Python for Network Engineers
10 RESTful APIs and HTTP Methods
11 JSON and XML Data Formats
12 YANG Data Modeling
13 NETCONF and RESTCONF
14 Ansible for Network Automation
15 Puppet for Network Automation
16 Git and Version Control
17 CICD Pipelines for Network Automation
18 Troubleshooting Automation Issues
6 DevNet Specialist - Software Development and Design
1 Introduction to Software Development
2 Software Design Principles
3 Object-Oriented Programming (OOP)
4 Python Programming Language
5 RESTful API Design
6 Microservices Architecture
7 Containerization with Docker
8 Orchestration with Kubernetes
9 CICD Pipelines for Software Development
10 Test-Driven Development (TDD)
11 Version Control with Git
12 Agile Development Methodologies
13 DevOps Practices
14 Troubleshooting Software Development Issues
7 DevNet Specialist - Cloud Automation and Programmability
1 Introduction to Cloud Automation
2 Cloud Programmability Concepts
3 Cisco CloudCenter Suite
4 Cisco Intersight Programmability
5 Cisco Hybrid Cloud Manager
6 Cisco Application Policy Infrastructure Controller (APIC)
7 Cisco Container Platform
8 Cloud Automation Tools and Frameworks
9 Python for Cloud Engineers
10 RESTful APIs and HTTP Methods
11 JSON and XML Data Formats
12 YANG Data Modeling
13 NETCONF and RESTCONF
14 Ansible for Cloud Automation
15 Puppet for Cloud Automation
16 Git and Version Control
17 CICD Pipelines for Cloud Automation
18 Troubleshooting Cloud Automation Issues
8 DevNet Specialist - Collaboration Programmability
1 Introduction to Collaboration Programmability
2 Cisco Webex Programmability
3 Cisco Unified Communications Manager (CUCM) Programmability
4 Cisco Contact Center Enterprise (CCE) Programmability
5 Collaboration Programmability Tools and Frameworks
6 Python for Collaboration Engineers
7 RESTful APIs and HTTP Methods
8 JSON and XML Data Formats
9 YANG Data Modeling
10 NETCONF and RESTCONF
11 Ansible for Collaboration Automation
12 Puppet for Collaboration Automation
13 Git and Version Control
14 CICD Pipelines for Collaboration Automation
15 Troubleshooting Collaboration Programmability Issues
9 DevNet Specialist - Security Programmability
1 Introduction to Security Programmability
2 Cisco Firepower Management Center (FMC) Programmability
3 Cisco Identity Services Engine (ISE) Programmability
4 Cisco Stealthwatch Programmability
5 Cisco Secure Network Analytics (SNA) Programmability
6 Security Programmability Tools and Frameworks
7 Python for Security Engineers
8 RESTful APIs and HTTP Methods
9 JSON and XML Data Formats
10 YANG Data Modeling
11 NETCONF and RESTCONF
12 Ansible for Security Automation
13 Puppet for Security Automation
14 Git and Version Control
15 CICD Pipelines for Security Automation
16 Troubleshooting Security Programmability Issues
10 DevNet Specialist - Data Center Programmability
1 Introduction to Data Center Programmability
2 Cisco Application Centric Infrastructure (ACI) Programmability
3 Cisco Nexus Programmability
4 Cisco UCS Programmability
5 Data Center Programmability Tools and Frameworks
6 Python for Data Center Engineers
7 RESTful APIs and HTTP Methods
8 JSON and XML Data Formats
9 YANG Data Modeling
10 NETCONF and RESTCONF
11 Ansible for Data Center Automation
12 Puppet for Data Center Automation
13 Git and Version Control
14 CICD Pipelines for Data Center Automation
15 Troubleshooting Data Center Programmability Issues
11 DevNet Specialist - IoT Programmability
1 Introduction to IoT Programmability
2 Cisco IoT Field Network Director (FND) Programmability
3 Cisco Kinetic for Cities Programmability
4 Cisco IoT Operations Dashboard Programmability
5 IoT Programmability Tools and Frameworks
6 Python for IoT Engineers
7 RESTful APIs and HTTP Methods
8 JSON and XML Data Formats
9 YANG Data Modeling
10 NETCONF and RESTCONF
11 Ansible for IoT Automation
12 Puppet for IoT Automation
13 Git and Version Control
14 CICD Pipelines for IoT Automation
15 Troubleshooting IoT Programmability Issues
12 DevNet Specialist - Service Provider Programmability
1 Introduction to Service Provider Programmability
2 Cisco Network Services Orchestrator (NSO) Programmability
3 Cisco IOS XR Programmability
4 Cisco ASR 9000 Series Programmability
5 Service Provider Programmability Tools and Frameworks
6 Python for Service Provider Engineers
7 RESTful APIs and HTTP Methods
8 JSON and XML Data Formats
9 YANG Data Modeling
10 NETCONF and RESTCONF
11 Ansible for Service Provider Automation
12 Puppet for Service Provider Automation
13 Git and Version Control
14 CICD Pipelines for Service Provider Automation
15 Troubleshooting Service Provider Programmability Issues
13 DevNet Specialist - Wireless Programmability
1 Introduction to Wireless Programmability
2 Cisco Wireless LAN Controller (WLC) Programmability
3 Cisco DNA Center Wireless Programmability
4 Cisco Mobility Services Engine (MSE) Programmability
5 Wireless Programmability Tools and Frameworks
6 Python for Wireless Engineers
7 RESTful APIs and HTTP Methods
8 JSON and XML Data Formats
9 YANG Data Modeling
10 NETCONF and RESTCONF
11 Ansible for Wireless Automation
12 Puppet for Wireless Automation
13 Git and Version Control
14 CICD Pipelines for Wireless Automation
15 Troubleshooting Wireless Programmability Issues
14 DevNet Specialist - DevOps and Automation
1 Introduction to DevOps and Automation
2 Continuous Integration (CI)
3 Continuous Deployment (CD)
4 Infrastructure as Code (IaC)
5 Configuration Management Tools
6 Monitoring and Logging
7 Containerization and Orchestration
8 CICD Pipelines
9 Version Control with Git
10 Agile Development Methodologies
11 DevOps Practices
12 Troubleshooting DevOps Issues
15 DevNet Specialist - Automation and Programmability Best Practices
1 Best Practices for Network Automation
2 Best Practices for Software Development
3 Best Practices for Cloud Automation
4 Best Practices for Security Programmability
5 Best Practices for Data Center Programmability
6 Best Practices for IoT Programmability
7 Best Practices for Service Provider Programmability
8 Best Practices for Wireless Programmability
9 Best Practices for Collaboration Programmability
10 Best Practices for DevOps and Automation
16 DevNet Specialist - Certification Exam Preparation
1 Exam Objectives and Domains
2 Study Resources and Materials
3 Practice Exams and Simulations
4 Exam Registration and Scheduling
5 Test-Taking Strategies
6 Post-Exam Actions and Certification Maintenance
13 Git and Version Control Explained

13 Git and Version Control Explained

1. Version Control System (VCS)

A Version Control System (VCS) is a tool that tracks changes to files and directories over time. It allows multiple users to collaborate on projects and manage different versions of the same files.

Example: Think of a VCS as a time machine for your project. Just as a time machine allows you to travel back in time, a VCS allows you to revert to previous versions of your files.

2. Git

Git is a distributed version control system that allows developers to track changes, manage branches, and collaborate on code. It is widely used in software development and is essential for DevNet projects.

Example: Consider Git as a digital notebook. Just as a notebook allows you to jot down ideas and track your progress, Git allows you to track changes and manage your code.

3. Repository

A repository is a storage location where Git stores all the files, directories, and metadata for a project. It can be local (on your computer) or remote (on a server).

Example: Think of a repository as a digital filing cabinet. Just as a filing cabinet stores documents, a repository stores your project files and history.

4. Commit

A commit is a snapshot of the changes made to the files in a repository. Each commit has a unique identifier and a message describing the changes.

Example: Consider a commit as a save point in a video game. Just as a save point allows you to resume from a specific point, a commit allows you to revert to a specific version of your code.

5. Branch

A branch is a parallel version of a repository. It allows developers to work on different features or fixes without affecting the main codebase.

Example: Think of a branch as a side story in a book. Just as a side story allows you to explore different plotlines, a branch allows you to work on different features or fixes.

6. Merge

Merging is the process of combining changes from one branch into another. It allows developers to integrate new features or fixes into the main codebase.

Example: Consider merging as combining two storylines in a book. Just as combining storylines creates a cohesive narrative, merging branches integrates different features into the main codebase.

7. Pull Request

A pull request is a request to merge changes from one branch into another. It allows developers to review and discuss changes before they are integrated into the main codebase.

Example: Think of a pull request as a proposal for a new chapter in a book. Just as a proposal allows for feedback and discussion, a pull request allows for code review and discussion.

8. Clone

Cloning is the process of creating a copy of a repository on your local machine. It allows developers to work on a project without affecting the original repository.

Example: Consider cloning as making a photocopy of a document. Just as a photocopy allows you to work on a document without changing the original, cloning allows you to work on a project without affecting the original repository.

9. Fork

Forking is the process of creating a copy of a repository on a remote server. It allows developers to experiment with changes without affecting the original repository.

Example: Think of forking as creating a new book series based on an existing one. Just as a new series allows you to explore different ideas, forking allows you to experiment with changes.

10. Push

Pushing is the process of uploading changes from your local repository to a remote repository. It allows developers to share their work with others.

Example: Consider pushing as submitting a completed chapter to a publisher. Just as submitting a chapter allows others to read it, pushing changes allows others to review and use your work.

11. Pull

Pulling is the process of downloading changes from a remote repository to your local repository. It allows developers to keep their local copy up-to-date with the latest changes.

Example: Think of pulling as receiving new chapters from a publisher. Just as receiving new chapters allows you to read the latest content, pulling changes allows you to work with the latest code.

12. Tag

A tag is a reference to a specific point in the repository's history. It is often used to mark release points (e.g., v1.0, v2.0).

Example: Consider a tag as a bookmark in a book. Just as a bookmark allows you to mark a specific page, a tag allows you to mark a specific version of your code.

13. Git Workflow

A Git workflow is a set of guidelines for using Git in a team. It defines how branches are created, how changes are merged, and how conflicts are resolved.

Example: Think of a Git workflow as a recipe. Just as a recipe provides step-by-step instructions for making a dish, a Git workflow provides step-by-step instructions for managing a project.