CCNA Network Automation (Cisco Certified Network Associate)

Set up a macOS development environment by installing Homebrew and the Xcode command line tools, then install Git and clone the Cisco DevNet Hello Network repository to verify the setup.

Install node.js, an open source, cross‑platform javascript runtime powered by the v8 engine, on Mac OS via brew or a manual 64-bit Mac OS install and verify the version.

Compare virtual machines and virtualization concepts, including type one bare metal and type two hosted, with examples like VMware ESXi, Hyper-V, Xen, KVM, and Oracle VM VirtualBox.

Learn the basics of Linux and Unix file management, including creating, removing, copying, renaming files, and creating links within the Linux file system.

navigate a linux filesystem by displaying the current directory, changing directories with cd, visiting home and documents, using tab completion, and cd .. to move back one level.

Explore Linux file management by listing directories, creating and editing a file, making it executable, changing ownership to root, and using move, rename, and copy operations across desktop and documents.

Create a new file with echo, move out of the documents directory, and verify it; use cut to redirect content and learn overwrite (>) and append (>>).

Learn to edit Linux text files with vim: insert, modify, and save with :wq!. Create new files and copy content to a new file.

Explore regular expressions in linux using grep to filter and count occurrences. Apply patterns such as case sensitivity, end-of-line anchors, dot wildcard, and digit ranges with brackets.

View Linux network configuration with hostname and IP commands, identify IP addresses, and verify connectivity using ping and ICMP. Ping a domain like Cisco.com to illustrate DNS resolution.

Use ps to display running processes in the current terminal, and ps -e to show all processes. Pipe output to more to paginate and review details for troubleshooting performance.

Learn to manage Linux packages with sudo apt-get commands, including updating the system, installing a package to test internet speed, upgrading all packages, and removing the test package.

Update Linux system passwords securely using sudo and passwd, choose memorable credentials to avoid lockout, and explore password status with passwd -s and manual using man.

Learn what software and software development are and why they matter in networking, enabling automated solutions to extend troubleshooting to Windows, Mac OS, and mobile devices.

Coordinate the four Ps (product, people, project, and process) using methodologies to deliver a product that meets customer needs and is accepted in the market within budget and objective.

Explore how the incremental model replaces the waterfall approach by delivering software in small increments with customer input, and how prototypes and the evolutionary model address final product development.

Explore the spiral model in software development, emphasizing iterative prototyping, starting small, expanding, and transitioning between stages, with a note that agile approaches are preferred today.

The agile methodology emphasizes team autonomy, continuous communication, and collaboration to adapt to changing user requirements, turning changes into opportunities and delivering user-focused software.

Explore the DevOps methodology that blends development and operations, uses container technology such as Docker, and emphasizes continuous integration, test driven development, deployment, and agile practices.

Explore the importance of continuous software testing across development, covering functional and non-functional testing, regression, black-box and white-box methods, security testing, and the basics of test-driven development.

Explore test driven development as an iterative cycle of writing tests before code, the red-green-refactor loop, and contrast inside-out and outside-in approaches to guide design and quality.

Learn how to verify python installation and version on linux, install python3 if needed, and use the python3 interactive interpreter to perform arithmetic, including exponentiation and the pemdas rule.

Master the Python interpreter basics, printing with single or double quotes in Python 3, exiting the interactive session with quit, and using Visual Studio Code to develop Python projects.

Learn to use Visual Studio Code as the development environment, create and run a Python program, and begin exploring data types and variables.

Explore Python data types in the interactive interpreter, creating variables, concatenating strings, and casting between integer, float, string, and boolean types, with type checks and comparisons.

Declare and use variables in Python by assigning values with the equals sign, perform arithmetic with x, y, and z, and print strings and results in the interpreter.

Learn how to concatenate strings and integers in Python by using the plus operator, converting numbers to strings, and checking types with type().

Learn how to format a double in python to a specific number of decimal places, using two or three decimal places with the format approach.

Explore Python data structures by using lists and dictionaries to store multiple values, access items with zero-based indexing, and apply len and negative indexing for hostnames.

Explore Python dictionaries by creating key-value pairs, comparing them to lists, and building a two-item dictionary of router names and IP addresses with practical examples.

Learn how to access Python dictionary values by key using square brackets, differentiate from lists, and see how dictionaries hold multiple data types.

Capture and store user input with the Python input function, assign it to a variable, and display a personalized hello to show how input is captured and reused.

Create a Python script in Visual Studio Code, gather user input with the input function, and print a personalized greeting using first name, last name, location, and age.

Explore Python conditional statements, using if, elif, and else to control program flow, compare values with equality and inequality, and format code with colon and indentation in a code editor.

Demonstrate Python conditional statements by reading user input, validating an access control list number for IP version 4, and classifying it as standard (1–99) or extended (100–199).

Master the python for loop to iterate a devices list and perform operations. Combine for loops with if statements to filter items into a switches list and print results.

Demonstrate using a while loop in Python to read input, convert it to an integer, and break when the user enters quit.

Learn to access and manipulate file contents in Python by creating, opening, reading, writing, and appending files, then storing data in a list and closing the file.

Learn how to write text to files using Python by building a script that opens a devices text file, inputs device names, appends items, and closes the file.

Set up a Python development environment by installing Python, creating and activating a virtual environment with venv, and using pip freeze to verify a clean slate before installing project packages.

Set up and manage Python development environments by creating and activating virtual environments, installing and isolating packages with pip, and sharing a requirements file to reproduce setups.

Explore how REST APIs enable software to communicate over HTTP using CRUD operations and JSON payloads. Understand endpoints, headers, status codes, and bearer tokens for secure requests.

Explore the REST API constraints that shape the client-server architecture, uniform interface, statelessness, cacheability, layered system, and on-demand capabilities, and learn how these constraints enhance performance, scalability, and reliability.

Compare rest and rpc api designs, examine graph qol api style that inverts data control for consumers, and review abc, sopa, and grpc approaches.

Explore how webhooks enable real-time, event-driven communication between web applications, allowing automatic data delivery and seamless integration with payment gateways, email marketing, and syncing to external databases and data warehouses.

Explore REST payloads, including how requests and responses carry data, with JSON and XML formats; learn how GET retrieves data and how POST, PUT, and batch requests include payload data.

Install curl on Windows and learn to use it for transferring data to and from networking devices remotely, with get, post, put, patch, and delete requests and api examples.

Explore basic authentication, API keys, and a token-based approach that combines authentication and authorization. Discover their setup ease, security trade-offs, and how tokens enable scope, revocation, and scalable access control.

Learn to use a books library api with endpoints, authentication, and http methods like get, post, put, and delete, testing responses in json or yaml.

Learn how to generate a basic authentication token for API access, log in with basic authentication, and use the token to retrieve and filter data such as books by isbn.

Authorize API calls with a generated token, then use get, post, put, and delete operations to manage library books via JSON, including adding, updating, and removing entries.

Use Postman to test API calls and obtain access tokens, verify authorization, and perform get, post, and delete operations to add and remove books from a library.

Learn how to test a library API using Postman by performing delete, post, and get operations, verify authorization with an API key, and validate 200 responses.

Learn how to use a Python script to post 100 books to a remote library API by obtaining an authorization token and using a for loop to add books.

Run and test the Python script in vs code to generate up to 100 random books in a demo library and add them remotely via API.

Learn how to modify a previously created file by using the echo command to append content, then stage, commit, and verify changes with git status and log.

Learn to manage development with git branching, create and switch branches, stage and commit changes, and check status to safeguard the master branch.

Learn how to use branches to implement features, review, and merge changes into the master branch, including checking out the feature and master branches and deleting the branch after merge.

Learn to handle merge conflicts by creating a test branch, switching to master, performing a merge, inspecting conflicts with git log, and resolving them by editing conflicting lines and saving.

Set up a GitHub account, create a private repository for beginners, configure git with name and email, and push changes using a personal access token.

Explore how software containerization packages an application and its dependencies into a single container for portable, consistent deployment across cloud environments.

Develop a Python web app using the Flask framework, handling requests and dynamic content, and run it locally on 0.0.0.0:88 to display the client IP via request.remote_addr.

Learn to build a Python Flask web app with HTML templates, render index.html via render_template, and run a Docker container to host the web server with a Bash script.

Create a bash script to build a Docker image for a Flask app, copy templates and static files, write a Dockerfile, expose ports, and run and verify the container.

Start and verify a docker container from a bash script, stop and restart web servers, and view the container's IP in a local browser to confirm the app runs.

Learn to run apps in docker containers, access them via the container IP, use docker exec -it for interactive root access, and inspect app files including templates and static assets.