First of all I would like to say a huge thank you to all members of the new "Abstraction Team" for their support on my CCNP Journey (and now into the next phase of our Journey), and all my followers / viewers - Thank you for the support! Just so much love to all my … Continue reading The CCNP Grind will officially be xlating to “The Abstraction Layer!” along with some other major revisions to the this blog becoming a collaborative effort rather than my own Cisco Grind! 🙂
Right when I thought I hit the Summit (CCNP), I realized I was only beginning! After earning my CCNP R/S (and now Enterprise) I have turned my sites into a much less organized approach to studying certain topics that made sense in my mind, however for the benefit of myself and others I wanted to … Continue reading A mountain of FREE Cisco Developer Resources, including setting up a DevNet PC / Free Video Training / Learning Labs / Sandbox / Code Exchange / MUCH MORE!
I am back and going all-in on the CCNA DevNet, and will blog every exam topic! Quick shout out to my current study resources: - David Bombal Udemy Course "Python for Network Engineers" as this course pulled me back into Python when I just couldn't stand it anymore, if you are a Network Engineer with … Continue reading CCNA DevNet Topics Blueprint – Full CCNA DevNet (DEVASC 200-901) 1.0 exam topics, and links to jump directly to posts that cover any certain topic you need!
I just absolutely love this graphic, perfect representation of the Cisco struggle! Moving forward I will be posting non-Cert related technologies! Now to that I have earned my CCNP R/S, I've decided to take a breather with some lighter topics such as MPLS Layer 3 VPNs, which apparently are part of the CCIE R/S Syllabus. … Continue reading Though I have earned my CCNP R/S, the Grind never stops my friends, I am just getting started!!! 🙂
On April 5th 2016 (4/5/2016), I made my first post to this blog, and today on October 10th 2019 (10/10/2019) I have passed my final CCNP Exam the TSHOOT 300-135 🙂 Along the way I have hit many major life events that could very well have stopped my progress, gave me a reason to put … Continue reading CCNP R/S Certified – 1,283 days and 286 posts on Loopedback.com later! 🙂
It's been a long couple of years of medical issues that have stopped me from actually taking the exam, but have studied the material over and over, and finally took it today and passed it on the first attempt. I have to say that all of the questions on the exam were absolutely outside what … Continue reading 300-115 SWITCH Exam Crushed! Tips on how I navigated this mentally exhaustive exam for the Pass grade!
Finally after my first two Failed attempts at the ROUTE exam, I have finally FINALLY passed it!!! I have to say I took the first fail as a learning experience, but after some intense brushing up on all topics and failing again, I didn't reschedule a 3rd attempt as I didn't think I wanted to … Continue reading 3 must know tactics to get a “Pass” score on exam day, as can be seen here on my ROUTE exam score printout (finally)! 😀
After a computer is booted, it starts with BIOS (or UEFI). The BIOS (or UEFI) system performs a series of tests which is known as ‘Power On Self Test’ (POST). The purpose of POST is to detect and connect CPU and key controllers. MBR (Master Boot Record) is the storage partition type. Another one is … Continue reading RHEL Boot Process
Being that the webpage is starting to get a lag from maintaining so much data, I will start publishing these in chunks rather than gigantic posts, and I cannot see myself breaking these down into smaller posts in the future - I will likely just go more in depth. With that I will get start … Continue reading Week 5 of the DevNet Grind (Part 1/2) – Deployment Models / Environments / Steps of Development, Docker Template and Container creation reviewed, along with Docker Hub Push / Pull demo!
This has been me throughout this boot camp, and wanted to help others avoid this! I don't know why I am even writing this right now instead of scrambling through the material, as there are weekly topics to cover / quizzes to receive the CE Learning Credits / "Certification of Completion" for the class (yay). … Continue reading DevNet Exam Prep – Tips for preparing to study for the DEVASC that I have learned during my 8-week Cisco boot camp!
I sure miss turning on my space ship / physical lab from my CCNP R/S studies 🙂 This will be a review of some fairly basic networking information that is so basic and forgettable that I should probably review it, though I am very tempted to just skip right over this portion of this weeks … Continue reading Week 4 of the Cisco DevNet Grind – Some review of well known ports, and some network info specific to DevNet usage!
A quick review of some different items in Hank Preston's free video series First and foremost, hats off to Hank Preston on this great video series, and any notes here in are my own understanding (I try not to type verbatim for the sake of understanding the concept), so all credit to him for the … Continue reading Hank Preston Video Series – Module 3 – Model Driven Programmability with YANG Data Models, NETCONF, and RESTCONF reviewed!
I started to Lab... Then I tried watching TV... then I realized I needed to go outside! I caught the sun setting on a lake where I live in Minnesota, and with no humidity outside, I just walked around for an hour or so and it was AMAZING! Just like its easy to forget to … Continue reading Lazy Day Post – Went for a very long, much need walk, starting back on intro to Python topics, uploaded Local GIT Repo to my GitHub page as shown here (demo)!
Intro to APIs API = Application Programming Interface, APIs define how users / developer / other applications can communicate with each other, API's will generally use web-services or web based communication however they can use unique protocols for proprietary APIs. API's not only provide communication, but also secured communication by several different methods, and all … Continue reading Week 2 of the Cisco DevNet Grind – EVERYTHING you will need for the DEVASC regarding REST APIs – Acronyms / Design / Status Codes / Webhooks / Troubleshooting!
Beginning with this Class I will be having a much more "scribbled notes" format! I started out trying to use a pen and notepad, but I thought to myself why in world would I not type out my notes in my study blog, even if they do look like a notebook full of quick notes … Continue reading Week 1 of the Cisco DevNet Grind – Software Development Section, absolutely monster post, but covers a LOT of the DEVASC topics in good detail with illustrations!
FBasg This is a view of my "GIT" Timeline from my Data Formatting / Parsing practice This graphic alone did a lot to clarify GIT to me, as I initially had no idea what the Master Branch / What the head was / Where this "Version History" was at / How to use "Version Control" … Continue reading GIT – Logging, Timelines, GIT HEAD / Detached Head, amend / reset / revert commands visually demo’d, and an Exam Day GIT Gotcha at the bottom of the post!
One big note on this - It will need some updating at least in the YAML section as my training material I currently use teaches in Python 2, which a Cisco Instructor for DevNet has confirmed that DevNet exams will focus on Python 3. So this article will need a bit of polishing up, but … Continue reading Parsing Data Formats (XML / JSON / YAML) using Python 3 – A little patch work but found some good demo’s!
Above is a screen snip of the properly formatted data formats from previous posts (Let me start by saying I have never taken or heard anything about the Cisco DevNet exam that was not presented on DevNet Day 2020 in June) In the real world I know there are templates in open GIT Repositories for … Continue reading DevNet Data Formats XML, JSON, and YAML in review, and what to expect on exam day / what you will want to know!
As you can tell its been a long day (and week) so my script is fairly uncreative, however it demonstrates the many finer points of YAML, which YAML does actually stand for YAML Ain't Markup Language so all of us geeks can laugh that Ain't ain't a word. Or ain't it? The #1 goal of … Continue reading YAML (Ain’t Markup Language) – Review of file formatting, structure, and all things YAML for DevNet exam day!
If this coding format looks almost self explanatory, well, that's because it almost is! Even though JSON is Java Script Native, JSON is a Data Format - Not a Script! The first thing that pops up is called a "key": "value" pair as they are called, the "Key" defines common items like an Email / … Continue reading JSON – (Java Script Object Notation) rules for formatting, creating a JSON File, and all things JSON related for exam day!