Nathaniel Miller
PMI membership cost is $149 per year plus a $10 one-time application fee. Renewal is $129 a year. For anyone sitting the PMP, membership pays for itself immediately: the member exam discount is larger than the fee to join. That is the part most people miss. Project Management Institute membership looks optional until you put […] Read More: PMI Membership Cost in 2026: Fees, Renewal, and Worth It?
Nathaniel Miller
Cloud managed access points move the management plane to a vendor-hosted platform. They do not send your users’ traffic through that vendor’s data center. A laptop talking to a file server on your LAN still goes from the AP to your switch to the server. That is why a brief internet outage is usually a […] Read More: Cloud-Managed Access Points: How They Work and When to Use Them
Nathaniel Miller
Cisco Firepower is Cisco’s next-generation firewall (NGFW) platform. The naming is the confusing part: Firepower, FTD, FMC, FDM, ASA with FirePOWER Services, and Secure Firewall overlap in ways that make inherited deployments hard to read. If you have walked into a Cisco security estate and could not tell what you were looking at, that confusion […] Read More: Cisco Firepower Explained: NGFW, FTD, and How Teams Use It
Nathaniel Miller
The access point vs router vs extender choice is not a branding question. A router connects networks and usually runs DHCP and NAT. An access point bridges Wi-Fi clients onto that existing network over Ethernet. A range extender rebroadcasts Wi-Fi with no cable, and it typically cuts throughput by about 50%. Pick the wrong box […] Read More: Access Point vs Router vs Extender: Which One Do You Need?
Nathaniel Miller
If Wi-Fi is bad, it is rarely because someone bought a cheap radio. It is usually how the wireless access point was architected, placed, powered, and managed. An access point extends a wired network to Wi-Fi clients. There are three architectures: standalone, controller-based, and cloud-managed. Choosing the wrong one for your organization’s size is one […] Read More: What Is a Wireless Access Point? Types, Uses, and How They Work
Nathaniel Miller
If you manage a virtualized Microsoft datacenter, you eventually outgrow managing hosts one at a time. SCVMM (System Center Virtual Machine Manager) is Microsoft’s answer: a centralized management platform for your virtualization infrastructure, from Hyper-V hosts to VMs, networking, and storage, all from a single console. This guide explains what SCVMM is, what it does, […] Read More: What Is Microsoft SCVMM? A Beginner’s Guide
Nathaniel Miller
Every team has sat in the meeting where one loud voice dominates, quieter experts stay silent, and the “decision” is really the highest-paid person’s opinion. The nominal group technique (NGT) was built to fix that. It is a structured decision-making method that gives every participant equal weight, surfaces more ideas than open brainstorming, and ends […] Read More: What Is the Nominal Group Technique? A Step-by-Step Guide
Nathaniel Miller
Linux file permissions control who can read, write, and execute files, and knowing how to change them with chmod is a core skill for anyone working on Linux systems. This guide explains how permissions work and walks through changing them, both the numeric and symbolic way. Read the permission string first. Then decide what chmod […] Read More: chmod: How to Change File Permissions in Linux
Nathaniel Miller
An HR analyst exports a spreadsheet with employee names, IDs, and salaries. They upload it to a public chatbot and ask it to “group this for a leadership slide.” They finish the task in minutes. Your personally identifiable information may now live in a third-party model you do not control. That scenario is how sensitive […] Read More: Keep Sensitive Data Out of Public AI Tools (and Watch Copilot Prompts)
Nathaniel Miller
Pivot tables are Excel’s most powerful tool for summarizing data. They turn thousands of rows into a clear summary in seconds, no formulas required. This guide shows you exactly how to create one, step by step, plus the key features that make them so useful. Keep the detail in the source sheet. The pivot table […] Read More: Excel Pivot Tables: 5 Steps, With Screenshots