February 27, 2026/
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Cyber Security & Hacking Cybersecurity is the practice of protecting computers, networks, software, and data from digital attacks, damage, or...
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Spanning Tree Protocol (STP) History OF STP Protocol The history of STP (Spanning Tree Protocol) begins in the early 1980s when computer networks were growing and engineers faced serious problems with...
OSPF Routing Protocol OSPF – Open Shortest path first OSPF stand for Open Shortest path first Standard protocol It’s a link state protocol It uses SPF (shortest path first) or dijkistra algorithm...
IPsec Technology History Of IPsec 1. Origin of IPsec (Early 1990s) IPsec was developed in the early 1990s as part of the work by the Internet Engineering Task Force (IETF).At that time, the internet...
Cisco Commnds Cisco Commands Cheat Sheet PDF 1 Cisco Commands Cheat Sheet PDF 2 Cisco Commands Cheat Sheet PDF 3 Router Basic Commnds 1.User EXEC Mode Router> Commands: ping show traceroute...
CDP & LLDP CDP LLDP CDP (Cisco Discovery Protocol) and LLDP (Link Layer Discovery Protocol) are both network protocols used for discovering devices on a local network. CDP is Cisco-specific...
Inter-VLAN Routing Inter-VLAN Routing Understanding VLANs Before diving into inter-VLAN routing, it’s crucial to understand VLANs and their role in networking. What Are VLANs? A VLAN (Virtual Local...
Industry Real life Network Engineer Skills Industry Real life Network Engineer Skills 1. Basic IT and Networking Foundation The first step to becoming a Network Engineer is learning the basic concepts...
NAT & PAT Technology What is NAT The Problem with IPv4 addresses An IP address is used as an endpoint identifier in IP-based communications. It is just like a telephone number. When you want to...
Connect Cisco Router & Switch to Internet Router Interface Configuration ............................... show ip interface breif config t interface fa0/0 ip address dhcp no shutdown exit Default...
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February 27, 2026/
Types of Cyber Attacks What Is A Cyber Attack? A cyber attack refers to an action designed to target a...
February 26, 2026/
Firewall Technology History of Firewall The history of firewalls began in the late 1980s when computer networks started connecting to...
February 26, 2026/
What is iDRAC iDRAC is a built-in remote management technology embedded in Dell servers that renders various administration and monitoring...
February 25, 2026/
What is FSMO Role The FSMO (Flexible Single Master Operation) roles are a set of special roles in a Microsoft Active Directory...
February 20, 2026/
Group Policy GPO Short Definition: GPO (Group Policy Object) is a Windows Server feature that allows administrators to centrally manage...
February 18, 2026/
What is Raid RAID (Redundant Array of Independent Disks) is a data storage technology that combines multiple physical hard drives...
February 9, 2026/
Windows Server Windows Server is a specialized server operating system developed by Microsoft that is designed to manage, control, and...
February 9, 2026/
What is Windows Windows is a widely used operating system (OS) developed by Microsoft Corporation that controls the overall functioning...