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Per VLAN Spanning Tree (PVST) Explained: The CCNA Guide
Per VLAN Spanning Tree (PVST) is a Cisco-proprietary protocol that runs a separate instance of the Spanning Tree Protocol for every VLAN on a switch. Each VLAN gets its own root bridge, its own loop-free topology, and its own set of blocked ports. That’s the whole idea, and it’s why Cisco switches ship with...
Application-Aware Routing in SD-WAN: How It Works (2026)
Your video call just froze. Again. Here’s the frustrating part. You’ve got three WAN links right there. But your router keeps shoving all traffic down the same MPLS tunnel. It’s like a highway with two empty lanes next to a traffic jam. That’s the problem application-aware routing solves. Application-aware routing (AAR) is the SD-WAN...
Proxmox Homelab: Complete Setup from Bare Metal to First VM
A proxmox homelab turns one old computer into a private virtualization lab you can learn on, break, and rebuild whenever you want. You install Proxmox VE on bare-metal hardware, open a web browser, and create your first virtual machine from a graphical wizard. That’s the whole workflow, and the total build time usually runs...
Proxmox vs Docker in 2026: VMs vs Containers, When to Use Which
Proxmox is a bare-metal hypervisor that manages virtual machines and LXC containers. Docker is a containerization platform that packages and runs lightweight applications. They solve different problems, and most production environments use both together. If you want to learn Proxmox hands-on, our Proxmox VE training covers everything from VMs to containers with live labs....
DevOps Interview Questions: The Honest 2026 Guide (180+ Questions Inside)
I’ve sat on both sides of a DevOps interview. As a candidate sweating through a whiteboard rollback scenario, and later as the person asking the questions. Here’s the part nobody tells you: most DevOps interviews aren’t really about tools. They’re about how you think when a deploy breaks at 2 AM and Slack won’t...
AWS CloudOps Engineer Exam Prep: Practice Questions and Study Guide
$135,000 to $147,000 a year. That’s what AWS CloudOps Engineers are pulling in right now, on average. Top earners? Over $218K. But here’s the thing. You’ve got to pass the exam first. If you’re searching for aws cloudops engineer dumps, you’re probably stressed about the SOA-C03 and looking for a shortcut. We get it....
How to Become a Network Engineer in 2026: Skills, Certs, and Career Roadmap
$109,040. That’s the average network engineer salary in the United States right now. Senior engineers with a CCIE? They’re pulling $166K and up. So how do you get there? Here’s the short answer. You need a mix of technical skills, at least one solid certification, and some hands-on experience. A degree helps, but it...
Fortinet NSE4 Exam Cost in 2026: Fees, Study Resources, and What to Expect
$200. That’s what Fortinet charges for the NSE4 exam in 2026. But that number changed recently, and most people online are still quoting the old price. Fortinet restructured their entire certification programme in October 2025, and pricing dropped from $400 to $200 per exam. The catch? You now need two exams instead of one...
Network Automation Engineer Salary 2026: Skills, Tools & Pay Guide
A network automation engineer in the US earns between $109,000 and $128,000 per year on average, with senior professionals pulling in $160,000 or more. That’s roughly 15-30% higher than what traditional network engineers make at the same experience level. Not bad for a role that barely existed a decade ago. The catch? Gartner says...
CCNA vs CCNP: Which Cisco Certification Should You Get?
$82,000 a year or $112,000. That’s the salary gap between a CCNA holder and someone with a CCNP. Pretty big difference for one certification level, right? But here’s the thing. Jumping straight to CCNP isn’t always the smart move. And getting your CCNA first doesn’t mean you’re falling behind. It depends on where you...
