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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.

Trunking

Mastering Cisco Networking: Trunking, VTP, and EtherChannels Explained

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Introduction: The Essence of Cisco Command Line in Network Management In the realm of network management knowing about Trunking, VTP, and EtherChannels combined with mastering the Cisco command line interface (CLI) is a crucial skill for any network administrator. The CLI offers a detailed and powerful platform for configuring and monitoring networks. In this post, …

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network_redundancy

Navigating the World of Network Redundancy: HSRP, VRRP, and GLBP Explained

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In today’s network-dependent world, ensuring continuous and reliable network connectivity is paramount. Network redundancy protocols like HSRP, VRRP, and GLBP play a crucial role in achieving this reliability. Let’s explore these protocols in detail. Hot Standby Router Protocol (HSRP) HSRP, a Cisco-developed redundancy protocol, is a cornerstone in achieving high network availability. It creates a …

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spine-leaf

Understanding Spine-Leaf Architecture

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Spine-leaf architecture represents a significant evolution in data center network design. This two-tier topology is specifically tailored for modern data centers, where the rapid processing and transfer of data are paramount. Unlike traditional network structures, spine-leaf architecture simplifies and streamlines data flow, offering unprecedented levels of efficiency and scalability. The Spine-Leaf Model Explained At its …

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security operations center

Understanding the Security Operations Center: A Deep Dive

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What Is a Security Operations Center? A Security Operations Center, commonly known as a SOC, is the heart of an organization’s cybersecurity efforts. It is a centralized unit that deals with security issues on an organizational and technical level. A SOC is equipped with a team of security experts and advanced technological solutions that monitor, …

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Phishing

Understanding and Combatting Phishing: A Comprehensive Guide

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Introduction: In the digital age, one of the most pervasive and damaging cyber threats we face is phishing. This fraudulent practice involves tricking individuals into revealing sensitive information such as passwords, credit card numbers, and personal identification details. Phishing can occur via various channels including email, social media, and text messages. This blog aims to …

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static routing

Static Routing : Manually Configuring Network Routers

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Static routing, a fundamental technique in network routing, involves manually configuring network routers with specific routes for sending data packets. This method stands in contrast to dynamic routing, where routes are learned and adjusted automatically. In static routing, network administrators define the path that data should take through the network, specifying the exact routes to …

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information technology

Unveiling the World of Information Technology: A Comprehensive Guide

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In our digital era, information technology (IT) is the linchpin that keeps the wheels of progress spinning. But what is information technology, and how does it manifest in every byte and bit of our daily lives? This comprehensive guide will delve into the information technology definition, unravel the fabric of IT careers, and explore the …

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RPO

Understanding RTO and RPO: Ensuring Business Continuity

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In the world of disaster recovery and business continuity planning, two critical terms, RTO and RPO often come into play. They are RTO (Recovery Time Objective) and RPO (Recovery Point Objective). These acronyms may sound technical, but they are essential for any organization looking to safeguard its data and operations in the face of disruptions. In …

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subnet

Understanding Subnets: A Comprehensive Guide

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What is a Subnet? In IP networking, a subnet, short for subnetwork, is an identifiable separate part of an organization’s network. Typically, a subnet may represent all the machines at one geographic location, in one building, or on the same local area network (LAN). Subnetting allows an organization’s network to be divided into multiple smaller, …

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LDAP Ports

LDAP Ports Explained: Configuring Standard, StartTLS, and LDAPS Connections

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We’re going to dive into LDAP Ports and explain the difference between using port 389 and port 636. LDAP (Lightweight Directory Access Protocol) is a protocol used for accessing and maintaining distributed directory information services over an Internet Protocol (IP) network. It’s commonly used for directory services like Microsoft Active Directory, OpenLDAP, and others. LDAP …

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security plus vs cysa plus

CompTIA Security+ vs CySA+ : Which Cybersecurity Certification is Right for You?

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Introduction Let’s breakdown Security+ vs CySA+. Certifications play a pivotal role in validating skills and knowledge. Two notable credentials, CompTIA Security+ and CySA+, have emerged as key players in cybersecurity certification comparison. Understanding the nuances between these certifications is crucial for professionals charting their path in IT security. CompTIA Security+ Overview The Security+ certification from CompTIA …

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