CCST-Networking

A collection of 99 posts

CCST-Networking

What is a Network Protocol?

This post introduces network protocols as the standardized rules that allow devices to communicate across a network. Using relatable analogies like postal mail and spoken language, it explains what protocols define, names common examples beginners will encounter, and previews the layered model that

CCST-Networking

What Are Private and Public IP Addresses?

This post explains the difference between private and public IP addresses, covering the RFC 1918 private address ranges and how NAT bridges internal networks to the internet. It is written for CCST Networking exam candidates who are new to IP addressing concepts.

CCST-Networking

Understanding On-Premises Applications

This post explains what on-premises applications are, how they rely on local networks, and why some businesses prefer them over cloud solutions. It covers common examples, key characteristics, and a practical comparison between on-prem and cloud approaches. The content aligns with CCST Networking e

CCST-Networking

Explaining WAN: The Network Beyond Your Home

This post explains what a Wide Area Network (WAN) is, how it differs from a LAN, and provides real-world WAN examples. It covers the role of routers at the WAN edge and why this concept is important for the CCST Networking exam.

CCST-Networking

How Do Networks Work? A Beginner's Guide

This beginner-friendly post explains how networks function, covering key networking components like routers, switches, NICs, and end devices. It walks through the data transmission process step by step using simple analogies. The post is aligned with CCST Networking exam domain 1.1: Standards and C

CCST-Networking

What Are Cloud Applications?

This post explains what cloud applications are using simple language and everyday examples like Gmail, Netflix, and Google Drive. It covers how cloud apps work, why they are popular, and how they depend on the network. Written for CCST Networking beginners, it connects cloud computing concepts to r

CCST-Networking

What is a LAN and How Does It Work?

This post explains what a Local Area Network (LAN) is, how devices connect and communicate within one, and where LANs are used in everyday life. It covers key components like switches, routers, and access points, with a practical example of how traffic flows inside a LAN. Written for CCST Networkin

CCST-Networking

Guide to Identifying Network Device Ports for Beginners

This beginner-friendly guide walks through the most common ports found on network devices, including console ports, serial ports, Ethernet ports, SFP fiber slots, USB ports, and PoE ports. Each port type is explained with its physical appearance, purpose, and practical usage. Relevant Cisco CLI com

CCST-Networking

What is a Network? Understanding the Basics

This post introduces the concept of a computer network for complete beginners, explaining what a network is, why we use them, and the main types including LAN, WAN, MAN, and PAN. It also briefly covers how devices communicate using protocols and addresses.

CCST-Networking

Troubleshooting Best Practices for Beginners

This post covers structured troubleshooting best practices for networking beginners aligned with CCST Networking exam domain 5.1. It walks through a repeatable six-step process including problem definition, theory formation, testing, fixing, verifying, and documentation. Practical CLI examples and

CCST-Networking

Introduction to Network Management Systems

Network Management Systems (NMS) provide centralized visibility and control over network infrastructure, helping engineers monitor device health, manage configurations, and diagnose problems efficiently. This post covers the FCAPS framework, SNMP basics, and common management tools relevant to the

CCST-Networking

Using Wireshark: A Beginner's Guide to Network Troubleshooting

This beginner's guide introduces Wireshark as a network troubleshooting tool, explaining what a packet analyzer does and why it matters. It covers the Wireshark interface, essential display filters, and a practical step-by-step troubleshooting walkthrough. Ideal for students studying for the CCST N

CCST-Networking

Understanding Command Outputs: Ping vs Traceroute

This post breaks down the outputs of ping and traceroute, explaining what each line means and when to use each command. Aimed at CCST Networking beginners, it covers round-trip time, TTL, hop-by-hop path mapping, and how to interpret asterisks and packet loss in diagnostic output.

CCST-Networking

What Are PoE Ports and How Do They Work?

PoE ports deliver both power and data through a single Ethernet cable, eliminating the need for separate power sources for network devices. This technology uses different standards (PoE, PoE+, PoE++) to provide varying power levels to IP phones, wireless access points, and security cameras.

CCST-Networking

Understanding Power Connections and Rack Layout Basics

Learn the fundamentals of power connections and rack layout for network equipment, covering power requirements, management best practices, and proper equipment installation techniques for reliable network infrastructure.

CCST-Networking

Troubleshooting Cisco Device Status Light Issues

A beginner-friendly guide to understanding and troubleshooting Cisco device status lights, covering what different colors mean and how to fix common issues like error-disabled ports and dark interfaces.

CCST-Networking

Common Mistakes When Setting Up Firewalls

Learn to avoid the most common firewall setup mistakes that beginners make, including rule ordering errors, overly broad permissions, and forgetting about return traffic. This guide provides practical solutions to ensure your network remains both secure and functional.

CCST-Networking

Prioritization Policies and Procedures Explained

Prioritization policies provide structured frameworks for determining which network problems to address first based on business impact and urgency. These policies include severity classifications, response time requirements, and escalation procedures that help teams manage incidents efficiently.

CCST-Networking

RDP, SSH, and Telnet: Basic Tools for Network Access

Learn the differences between RDP, SSH, and Telnet - three essential remote access tools for network professionals. Understand when to use each protocol and their security implications for accessing network devices.

CCST-Networking

Common Mistakes When Running Show Commands

This post covers the most common mistakes beginners make when using Cisco show commands, including privilege level errors, interface naming issues, and misinterpreting command output. It provides practical examples and solutions to help avoid these pitfalls during network diagnostics.

CCST-Networking

Saving and Opening Packet Capture Files in Wireshark

Learn the essential Wireshark file management skills of saving and opening packet capture files. This guide covers saving all packets, selected packets, and filtered packets, plus best practices for organizing your network analysis files.

CCST-Networking

Firewall Types: Comparing Hardware and Software Firewalls

This post compares hardware and software firewalls, explaining their key differences and when to use each type. It covers the characteristics, examples, and ideal use cases for both firewall types in network protection.

CCST-Networking

How Firewalls Filter Traffic: A Simple Guide

Learn how firewalls filter network traffic using rules that examine source/destination addresses, ports, and protocols. This beginner-friendly guide explains the step-by-step process of traffic filtering with practical examples.

CCST-Networking

What is a Firewall and How Does It Protect a Network?

A beginner-friendly explanation of what a firewall is and how it protects networks by filtering traffic. Uses practical analogies like security guards and bouncers to make network security concepts accessible to newcomers.

CCST-Networking

Common Network Problems Solved with Basic Commands

Learn how to solve common network problems using basic diagnostic commands like ping, ipconfig, and nslookup. This beginner-friendly guide provides step-by-step troubleshooting approaches for connectivity issues, slow internet, and DNS problems.