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ITU Online

ITU Online is a leading IT training company offering extensive courses designed to prepare student to numerous IT Certifications. Our library covers certifications based around CompTIA, Cybersecurity, Microsoft, Project Mangement, Cisco and many more.

AZ-305 Exam Overview

Overview of the AZ-305 Exam

Objective and Importance What the Exam Covers Exam Format Updates and Relevance Exam Prerequisites Prior Certification Requirements Recommended Experience Understanding of Core Azure Concepts Technical Skills Exam Difficulty Nature of the Exam Depth of Knowledge Required Complexity of Scenarios Passing Criteria Passing Score Question Format and Time Management Preparation for the Exam Retake Policy Recommended …

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PPPoE Connections

PPPoE Explained: Making Sense of Network Handshakes

Welcome to the digital realm, where PPPoE acts as the master of ceremonies in the intricate dance of internet connectivity. Picture the internet as an elite, high-security gala. Your device, dressed to the nines, arrives at the door, only to be stopped by the discerning bouncer – PPPoE. This protocol isn’t just a complex acronym; …

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Improving Wi-Fi Performance

Improving Wi-Fi Performance: Optimizing Your 5GHz and 2.4GHz Networks

Introduction In the world of wireless connectivity, improving Wi-Fi performance and maintaining optimal Wi-Fi performance is akin to finding the best frequency on your radio – it requires fine-tuning and a bit of know-how. In this digital age, where even our fridges are smart enough to tweet, understanding the nuances of Wi-Fi frequencies, particularly the …

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VLAN Subnets

Demystifying VLANs and Subnets: A Practical Guide for Medium-Sized Networks

Networking technologies like VLANs (Virtual Local Area Networks) and subnets are often perceived as complex, yet they play a critical role in efficient network management. This guide aims to demystify these concepts, particularly focusing on their application in medium-sized business environments. Understanding Subnets: The Building Blocks of Network Efficiency Subnetting is a fundamental technique used …

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APIPA

Understanding Automatic Private IP Addressing (APIPA)

Let’s dive into APIPA. In the world of networking, IP addresses are like the postal addresses of the internet, ensuring that data finds its way to the right destination. But what happens when a device can’t obtain an IP address from a DHCP server? That’s where Automatic Private IP Addressing, or APIPA, comes into play. …

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ASA Router

Understanding the Cisco ASA and It’s Role in Security

An Adaptive Security Appliance (Cisco ASA) is a network security device from Cisco. It’s primarily used for firewall protection, but it also offers several other security features. Here’s how an ASA secures a network: In summary, Cisco’s ASA is a versatile tool that combines the roles of a firewall, VPN gateway, intrusion prevention system, and …

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VLAN

What Is A VLAN? Understanding and Revolutionizing Network Segmentation and Security

Introduction to VLANs Let’s answer the all important question, What Is A VLAN? Virtual Local Area Networks (VLANs) have become a key element in modern networking, essential for anyone involved in network design or administration. These networks, though virtual, significantly enhance the performance and security of a network infrastructure. By allowing network administrators to create …

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Half Duplex vs Full Duplex

Half-Duplex vs Full-Duplex : A Comprehensive Guide

Understanding the differences between half-duplex vs full-duplex communication is essential in the field of data transmission. This guide provides a detailed comparison, focusing on their advantages, disadvantages, and real-life applications. Half-Duplex Communication: A Closer Look Half-duplex communication refers to a transmission mode in networking where data flow occurs in only one direction at a time. …

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Basic Computer Skills

Basic Computer Skills : From Clicks to Tricks, Your Guide to Becoming Tech-Savvy

Introduction : Welcoming the Digital Age with a Smile and Basic Computer Skills Welcome to the digital era, where basic computer skills are more essential than the morning coffee for a functioning adult! Whether you’re a tech newbie or someone who still remembers the dial-up internet tone, this guide is your golden ticket to understanding …

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Cyber Attack Lifecycle

Understanding the Cyber Attack Lifecycle ( Cyber Kill Chain) : A Comprehensive Guide

In the realm of cybersecurity, comprehending the stages of a cyber attack lifecycle is vital for robust defense mechanisms. This blog dives deep into each stage of the cyber attack lifecycle, with expanded details and real-world examples. We’ll also discuss strategies for preventing or disrupting these attacks. 1. Reconnaissance What Happens: Reconnaissance is the initial …

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SSH Command

Mastering SCP and SSH Linux Commands

In the vast landscape of Linux administration using SCP and SSH commands and understanding secure file transfer and remote connections is crucial. Two commands that play a pivotal role in this domain are SCP (Secure Copy Protocol) and SSH (Secure Shell). In this tutorial, we will delve into these commands, highlighting their usage, differences, and …

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SSD

Choosing the Perfect Hard Drive: HDD, SATA, SSD – NVMe or M.2?

Introduction There are many hard drive options these days; HDD, SATA, SSD, NVMe, or M.2. Which one is right for you? Picture this: A time when storage devices were clunky, noisy, and slow, resembling the rumbling giants of Jurassic Park. But then, evolution kicked in, and sleek, silent storage devices emerged, replacing those digital dinosaurs. Today, …

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