Comprehensive Guide for Computer Learners
In this section, we will discuss IPsec – Remote Access and Site-to-Site VPNs Introduction to VPN (Virtual Private Network) What is VPN? A VPN (Virtual Private Network) is a technology that creates a secure and encrypted connection between your device and the internet. It allows you to send and receive data safely and privately, even … Read more
This section explores key elements of password security policies, including management, complexity, and modern authentication alternatives. Passwords remain the first line of defence against unauthorized access. However, relying solely on weak or reused passwords can expose systems to significant risks. To strengthen authentication, organizations establish security password policies that define how passwords should be created, … Read more
This section explains how to configure and verify device access control with local passwords, ensuring that only authorized users can access network devices. Unauthorized access to routers, switches, or servers can compromise the entire network. Hence, one of the simplest yet effective methods to secure network devices is by using local passwords. What is Device … Read more
This section explains the security program elements — User Awareness, Training, and Physical Access Control. Introduction to Security Programs Elements Security program elements play a vital role in protecting an organization’s information and physical assets. They are the key components that form the foundation of an organization’s overall security strategy. They include the policies, procedures, … Read more
Network security plays a crucial role in protecting sensitive data, systems, and networks from malicious activities. Whether you are a student, IT professional, or business owner, understanding fundamentals of network security concepts is essential. In this article, we will understand the key security concepts: threats, vulnerabilities, exploits, and mitigation techniques, and explain how they relate … Read more
JSON (JavaScript Object Notation) is the most common data format for REST APIs and network automation. JSON (JavaScript Object Notation) has become the standard format for exchanging data between servers and clients. Its lightweight, human-readable structure makes it easy to work with and widely adopted in programming languages like JavaScript, Python, Java, and more. Understanding … Read more
In today’s fast-paced IT environments, managing servers, applications, and network devices manually can be time-consuming, error-prone, and inefficient. This is where configuration management tools come into play. Tools like Puppet, Chef, and Ansible enable organizations to automate the setup, configuration, and maintenance of infrastructure, ensuring consistency, reliability, and scalability across all systems. Introduction to Configuration … Read more
This article explores the key characteristics of REST-based APIs, focusing on authentication methods, CRUD operations, HTTP verbs, and data encoding techniques. REST stands for Representational State Transfer Introduction In the modern world of web and cloud applications, APIs (Application Programming Interfaces) are the backbone of communication between systems. Among different types of APIs, REST (Representational … Read more
In this section, we explain the comparison between traditional campus device management and Cisco DNA centre. Introduction to Traditional Campus Device Management and Cisco DNA Centre Traditional campus device management involves manual configuration and management of each and every device like switch and routers in a network. Network administrators have to log on to every … Read more
In this article, we will explore the significance of Artificial Intelligence (AI), and Machine Learning (ML) in network operations and how AI & ML are shaping the future of network operations, making them more secure, efficient, and self-optimizing. Introduction The world of network operations is rapidly evolving with the integration of Artificial Intelligence (AI) and … Read more