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With an All-Access Pass, you get access to every current and future ITU course. Access over 2,500 hours of on-demand IT Training 24/7. With over 13,000 on-demand training videos and 19,000+ practice questions, you'll have the tools to excel in the critical IT skills needed to elevate your IT Career. Our All-Access pass is available in three affordable plans.
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The Birth and Evolution of COBOL COBOL, an acronym for Common Business-Oriented Language, has been a cornerstone in the world of enterprise computing for over six decades. Despite the advent of newer languages and technologies, COBOL’s relevance has not waned. In this comprehensive blog, we’ll explore the reasons why COBOL has stood the test of …
COBOL : The Unstoppable Legacy of a 60-Year-Old Language Read More »
Introduction In my two decades of hands-on experience in the networking industry, the recurring question I often encounter is, “What is the best network simulator for Cisco?” This question has gained even more traction in recent years due to the increasing complexities of today’s networking environments. Whether you’re a student aiming for Cisco certification or …
Best Network Simulator for Cisco : A Comprehensive Guide Read More »
Introduction In the ever-evolving landscape of container orchestration, the terms Pod vs Container often become muddled, leading to a cloud of confusion for developers, system administrators, and IT professionals alike. This article aims to dispel that fog by elucidating the key differences between a pod and a container within the context of Kubernetes. As someone …
Pod vs Container : Understanding the Key Differences Read More »
In the ever-evolving landscape of database management, the terms SQL and T-SQL often create a sense of ambiguity. While both are integral to database operations, they are not one and the same. Understanding the nuanced differences between T-SQL vs SQL is not just a matter of academic interest; it’s a practical necessity for database administrators, …
T-SQL vs SQL : Understanding the Key Differences Read More »
Introduction In the fast-paced world of information technology, data storage has emerged as a foundational pillar that organizations cannot afford to ignore. With two decades of hands-on experience, I can vouch for the indispensable role that certifications like CompTIA Storage+ play in arming IT professionals with the essential skills and knowledge. This blog is designed …
CompTIA Storage+ : Best Practices for Data Storage and Management Read More »
In the complex landscape of networking, the concept of a “Wildcard Mask” is a cornerstone, particularly when you’re navigating the intricacies of subnetting and routing. With two decades of hands-on experience in network configuration, IP routing, and network security, I’ve come to appreciate the indispensable role that wildcard masks play. They are not just a …
Wildcard Mask : The Importance in Subnetting and Routing Read More »
In the intricate world of networking, TCP Ports serve as the linchpins that enable smooth communication between various devices. With two decades of hands-on experience in network protocols, data communication, and cybersecurity, I can vouch for the indispensable role that TCP Ports play in ensuring effective data transmission and bolstering network security. This blog post …
Introduction In the realm of SQL, the concept of “joins” is a cornerstone for data manipulation and retrieval. Among the various types of joins, SQL Left Join stands out as an essential tool for combining rows from two or more tables based on a related column between them. This comprehensive guide aims to delve deep …
In the realm of SQL, the bedrock of all data storage and manipulations is the creation of tables. The SQL Create Table command serves as your gateway to defining the architecture of your data. With a wealth of experience spanning over two decades in SQL and database management, I can unequivocally state that mastering the …
In the realm of network security and data management, SSH Port Forward has been a cornerstone technology for over two decades. This blog aims to delve into the practical applications and use cases of SSH Port Forward, a technique that has been pivotal in ensuring secure remote access and data encryption. Whether you’re a seasoned …
SSH Port Forward : Use Cases and Practical Applications Read More »
In the intricate world of database management, SQL Queries serve as the cornerstone for all data interactions. With two decades of hands-on experience in SQL and database systems, I can unequivocally say that mastering SQL queries is not just an added skill—it’s a necessity. This guide is designed to be your all-in-one resource for understanding …
SQL Queries 101 : Writing and Understanding Basic Queries Read More »
In the intricate world of Linux, managing files and directories effectively is a skill that comes with its own set of challenges. Two commands that are indispensable in this context are chown and chmod. These commands serve as the cornerstone for anyone aiming to master Linux File Permissions and File Ownership in Linux. This blog …
chown vs chmod : Understanding the Differences in Linux File Permissions Read More »
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