Network+

A collection of 91 posts

Network+

Troubleshooting Common Switching Issues

Learn to identify and resolve common switching issues including VLAN misconfigurations, switching loops, and port security violations using systematic troubleshooting techniques and Cisco CLI commands.

Network+

Basic Wireless Network Configuration: A Step-by-Step Guide

A comprehensive beginner's guide to configuring wireless networks, covering SSID setup, security configuration, and basic troubleshooting. Perfect for Network+ students and anyone setting up their first WiFi network.

Network+

How to Select the Right Wireless Devices for Your Network

A comprehensive beginner's guide to selecting the right wireless devices for your network, covering routers, access points, extenders, and mesh systems with practical selection criteria.

Network+

Understanding Wireless Technologies: Wi-Fi, Bluetooth, and More

An introduction to common wireless technologies including Wi-Fi, Bluetooth, and Zigbee, explaining their key characteristics, use cases, and how to choose the right technology for different applications.

Network+

How Cloud Computing Shapes Modern Networks

Cloud computing fundamentally transforms modern networks by changing traffic patterns, scalability requirements, and management approaches. While offering benefits like flexibility and cost optimization, it introduces challenges including bandwidth concerns and security complexity.

Network+

Static vs Dynamic Routing: Key Differences Explained

This post explains the key differences between static and dynamic routing, covering when to use each approach and how they impact network performance and management. It includes practical examples and configuration commands to illustrate both routing types.

Network+

What Are Switching Technologies in Networking

This post explains the fundamentals of switching technologies in networking, covering how network switches operate at Layer 2, their role in connecting devices within LANs, and key differences between switches and routers. It includes practical examples of MAC address tables and switching methods.

Network+

What Are Routing Technologies in Networking?

This post explains the fundamentals of routing technologies in networking, covering static routing (manual configuration) and dynamic routing (automatic adaptation using protocols like RIP, OSPF, and EIGRP). It helps beginners understand how data packets navigate through networks and when to use ea

Network+

Introduction to Modern Network Environments

Modern network environments differ fundamentally from traditional networks through software-defined infrastructure, cloud integration, and zero-trust security models. These networks support evolving use cases like remote work, cloud applications, IoT, and real-time collaboration that traditional ha

Network+

Common IPv4 Addressing Mistakes and How to Avoid Them

This post covers the five most common IPv4 addressing mistakes beginners make, including duplicate IPs, incorrect subnet masks, wrong gateway configuration, private IP confusion, and DHCP scope issues. It provides practical troubleshooting steps and prevention strategies.

Network+

What is Network Architecture? Basics Explained

Network architecture defines how computers connect and communicate, with client-server and peer-to-peer models representing the two fundamental approaches to organizing network resources and services.

Network+

How to Choose the Right Cloud Deployment Model

Learn how to choose between public, private, and hybrid cloud deployment models by evaluating security requirements, budget constraints, and performance needs. Includes practical examples and a decision framework for organizations of all sizes.

Network+

Networking Services and Their Functions

An introduction to essential networking services including DNS for domain name resolution, DHCP for automatic network configuration, and NAT for address translation and internet sharing.

Network+

Understanding Transceivers in Networking: A Beginner's Guide

Network transceivers are critical components that convert signals between network equipment and transmission media. This guide covers SFP, SFP+, and QSFP types, explaining how they function and helping you choose the right transceiver for your network needs.

Network+

How to Calculate Subnets in IPv4

A step-by-step guide to calculating IPv4 subnets, covering subnet masks, CIDR notation, and practical calculation methods. Includes examples and quick reference tables for common subnet scenarios.

Network+

Fiber Optic vs Copper Cable: Which is Better?

Compares fiber optic and copper network cables, covering speed, distance, cost, installation, and EMI considerations. Explains when to choose each type and introduces hybrid network approaches.

Network+

Common Mistakes When Learning the OSI Model

This troubleshooting guide identifies and corrects the most common mistakes beginners make when learning the OSI model, from memorization pitfalls to encapsulation confusion. It provides practical fixes and real-world connections to build solid networking foundations.

Network+

Choosing the Right Networking Appliances for Your Needs

Learn how to select the right networking appliances by conducting a proper needs assessment, understanding different equipment types, and following practical selection tips to avoid common beginner mistakes.

Network+

Cloud Connectivity Options: What You Need to Know

This post explores cloud connectivity options including internet-based connections, direct private circuits, VPNs, and hybrid approaches. It covers the benefits and challenges of each method to help you choose the best connectivity solution for your cloud infrastructure needs.

Network+

Comparing Network Topologies: Star vs Mesh vs Bus

A comprehensive comparison of star, mesh, and bus network topologies, covering their advantages, disadvantages, and practical use cases. Essential knowledge for Network+ certification and network design decisions.

Network+

What Are Networking Appliances and Their Functions?

This beginner's guide explains networking appliances - specialized hardware devices that perform specific network functions like routing, switching, and security. It covers core types including routers, switches, firewalls, and load balancers, plus the trend toward virtual appliances.

Network+

How to Choose the Right Transmission Media For Your Network

Learn how to select the right transmission media for network projects by evaluating distance, speed, and cost requirements. Covers copper, fiber, and wireless options with practical decision-making guidance.

CCNA

How to Build Your First Network Lab in Cisco Packet Tracer

If you are studying for your CCNA or just getting started with networking, Cisco Packet Tracer is the tool you will spend a lot of time in. It is free, it runs on your laptop, and it lets you build and test networks without touching a single physical device. In

Network+

Understanding Network Topologies for Beginners

An introduction to fundamental network topologies including star, mesh, and bus configurations. Explains the structure, advantages, and real-world applications of each topology type for networking beginners.

Network+

What Are Transmission Media in Networking?

Transmission media are the physical and wireless pathways that carry network data between devices. This post covers wired media (twisted pair, coaxial, and fiber optic cables) and wireless media (radio waves, microwaves, infrared), explaining their characteristics and use cases.