November 2, 2025/
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What is Intercom System An intercom system (short for intercommunication system) is a standalone voice or video communication system used...
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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 addressesAn 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...
Cisco Router Password Recovery Step 1: Connect to the Router Connect via Console: Use a terminal emulator (like PuTTY) to connect to the router’s console port. Step 2: Reboot the Router Power Cycle...
Router Technology What is Router A Router is a networking device used to connect multiple networks and forward data packets between them. It works mainly at Layer 3 (Network Layer) of the OSI Model...
Switch Stacking Technology What is Switch Stacking Switch stacking is a networking technology that allows multiple physical network switches to be interconnected and operate as a single logical...
Cisco Switch & Router Backup / Restore / Upgarde How to Installing an IOS (Internetwork Operating System) on a Cisco router involves several steps. Here’s a simplified guide: Prerequisites Router:...
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November 1, 2025/
What is PBX & EAPBX PBX stands for Private Branch Exchange. It’s a private telephone network used within an organization...
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