CCNATraining.com publishes exam prep guides, course reviews, and career advice for people studying for Cisco certifications. Our authors are working network engineers who write from real experience, not marketing copy. Whether you’re starting your CCNA or pushing toward CCNP, every article is built to help you understand networking, not just memorize facts.

Networking Fundamentals

What Is BGP and Why Isn’t It on the CCNA 200-301 Exam?

Ashley Miller May 22, 2026

The first time I saw BGP running in production, I’d been a network admin for three years and didn’t know

What Is OSPF in Simple Terms?

Allen Viola May 14, 2026

OSPF (Open Shortest Path First) is a routing protocol that helps routers in a network share information about all the

Verizon vs Comcast for Home Internet: Which Gigabit Service Actually Delivers

Trave Hurd May 6, 2026

Compare Verizon Fios fiber vs Comcast Xfinity cable for gigabit home internet. Real differences in latency, upload speeds, and reliability for home labs.

Types of Networking Cables Every Engineer Should Know

Trave Hurd May 5, 2026

Learn the types of networking cables engineers use: Cat5e through Cat8, single-mode and multimode fiber, coax, and DAC twinax with speeds and distances.

Native VLAN Mismatches: Why This Question Breaks Everyone

Ashley Miller March 16, 2026

Why This One Keeps Catching People Off Guard Native VLAN mismatches have a specific reputation in CCNA study groups: people

Subnetting from Zero to Mental Math: How I Went from Binary Tears to Mental Math in 6 Weeks

Allen Viola February 16, 2026

The Night Subnetting Almost Made Me Quit IT Forever It was 11:30 PM on a Thursday. I had my Official

Photo 1 Certification badges 2 Network diagram

The CCNA Glossary: 75+ Terms That Will Save Your Certification (And Your Career)

Allen Viola January 1, 2026

The Day I Realized I Was Speaking a Different Language True story: My first week at a networking job, my

How to Build a Cisco Home Lab: A Beginner’s Guide with Steps

Trave Hurd July 22, 2025

Whether you’re pursuing Cisco certification or want hands-on experience with network equipment, a home lab is the best way to

Maximizing Network Efficiency with Cisco Switches

Trave Hurd August 19, 2024

Cisco switches are essential networking components that link several devices in a local area network (LAN). Based on MAC addresses,

Understanding Cisco’s Networking Protocols: A Practical Approach

Trave Hurd August 2, 2024

Cisco Systems, Inc. is a prominent global technology company specializing in networking hardware, software, and telecommunications equipment. The company’s networking