Author: David McFarlene

David McFarlene is the founder and driving force behind CNiC Solutions, bringing more than two decades of hands-on experience in IT support, cybersecurity, and network infrastructure. Known for his calm, solutions-first approach, David built CNiC Solutions to give Houston organizations a dependable technology partner that delivers real results—not excuses. His background spans both enterprise-level systems and small business environments, allowing him to design practical, scalable solutions for any setting. David leads with integrity, deep technical expertise, and a passion for making technology simple, secure, and reliable for every client.

What Is a Server? Types, Roles, and How They Power Your Business

What is a server? A plain-English guide to how servers work, the main types, server vs. cloud, and the real business value behind the machines that run your tools.

What Is a NAS? Network-Attached Storage Explained for Businesses

What a NAS (network-attached storage) is, how it works, how it compares to SAN, DAS, and the cloud, the types, and why a NAS alone is not a backup.

What Is a Load Balancer? How It Keeps Applications Fast and Reliable

A load balancer spreads traffic across servers to keep apps fast and available. How load balancing works, the types, the algorithms, and when you need one.

What Is a Hypervisor? Types and How They Work

What is a hypervisor? A clear guide to how hypervisors work, Type 1 vs Type 2, hypervisor vs container, and why virtualization matters for your business.

What Is a Firmware Update and Why It Matters for Security

What is a firmware update? A plain-English guide to how they work, why they are critical security patches, and how to manage them across your business.

What Is a Human Firewall? Turning Employees Into Your Best Defense

A human firewall is your employees trained to spot and stop cyberattacks. Learn what it means, why most breaches are human, and how to build one.

What Is a Firewall? How It Protects Your Business Network

What is a firewall? A plain-English guide to how firewalls work, the main types (packet, stateful, proxy, NGFW), and what your business network needs.

What Is a Distributed System? How It Works and Why It Matters

A distributed system is a network of independent computers that work as one. Learn how distributed systems work, their types, benefits, and why they matter.

What Is a DDoS Attack? How DDoS Attacks Work and How to Stop Them

A DDoS attack floods your site or network with traffic until it goes offline. Learn how DDoS attacks work, the main types, and how to stop them.

What Is a Data Center? Types, Components, and How They Work

A data center is where a business’s servers, storage, and networking live. Learn how data centers work, their core components, and the main types.