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CCNA articles

Every CCNA guide we've published — syllabus, fees, careers and hands-on training tips.

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CCNA 9 min read

Cisco Router Configuration Basics: Console to First Ping

Learn how to connect to a Cisco router, configure interfaces and security settings, verify status, save the configuration and troubleshoot your first ping.

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CCNA 9 min read

IPv6 Basics for CCNA: Address Types, SLAAC and Dual Stack

Learn IPv6 addressing, compression, SLAAC, NDP and dual-stack configuration for CCNA. Practise essential Cisco IOS commands and troubleshooting steps.

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CCNA 9 min read

Wireless Networking Basics for CCNA: SSIDs and WLCs

Learn how SSIDs, Wi-Fi channels, access points and wireless LAN controllers work. Includes CCNA diagrams, Cisco commands and troubleshooting steps.

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CCNA 9 min read

NAT and PAT Explained: How Private Networks Reach the Internet

Learn how NAT and PAT translate private IPv4 addresses for internet access. Includes Cisco IOS configuration, packet-flow examples and troubleshooting.

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CCNA 9 min read

Cisco ACL Configuration: Standard, Extended and Named ACLs

Learn how Cisco router ACLs filter traffic using standard, extended and named configurations. Practise placement, wildcard masks, verification and troubleshooting.

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CCNA 9 min read

DHCP and DNS Explained: Addresses, Names and Troubleshooting

Learn how DHCP assigns IP settings and DNS resolves names. Follow packet flows, Cisco configurations, verification commands and practical troubleshooting steps.

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CCNA 9 min read

How Switching Works: MAC Tables, Frames and Broadcasts

Learn how Ethernet switches process frames, build MAC address tables and handle broadcasts. Includes Cisco IOS commands, a practical lab and troubleshooting steps.

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CCNA 9 min read

CCNA vs CCNP: Which Should You Choose First in Chennai?

Compare CCNA and CCNP by difficulty, syllabus, labs and career level. Learn which Cisco networking course you should take first in Chennai.

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CCNA 9 min read

Static vs Dynamic Routing: How Routers Choose Paths

Learn how static and dynamic routing work, when to use each method, and how Cisco routers select the best path. Includes IOS commands, lab examples and troubleshooting.

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CCNA 9 min read

CCNA Interview Questions and Answers for Freshers

Prepare for entry-level networking interviews with practical CCNA questions, model answers, Cisco commands and troubleshooting scenarios.

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CCNA 9 min read

Spanning Tree Protocol Explained: Root Bridge and Port States

Learn how STP prevents Layer 2 loops, elects a root bridge and assigns port roles and states. Includes Cisco commands, lab examples and troubleshooting.

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CCNA 9 min read

OSPF Explained: Areas, LSA Types and Neighbour States

Learn how OSPF areas, LSA types and neighbour states work. Follow a practical Cisco IOS lab with verification commands and troubleshooting steps.

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CCNA 9 min read

VLANs Explained: Access Ports, Trunks and Inter-VLAN Routing

Learn how VLANs separate networks, how access and trunk ports work, and how to configure inter-VLAN routing. Includes Cisco IOS labs and troubleshooting.

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CCNA 9 min read

How to Choose the Right CCNA Training Institute in Chennai

Learn how to compare CCNA institutes in Chennai by syllabus, lab access, trainer support, batch size and career guidance before enrolling.

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CCNA 9 min read

How IP Addressing Works: IPv4 Classes, Private Ranges and CIDR

Learn how IPv4 addresses identify networks and hosts. This guide explains address classes, private ranges, CIDR prefixes, commands and common faults.

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CCNA 8 min read

CCNA 200-301 Subnetting Explained with Practical Examples

Learn IPv4 subnetting for the CCNA 200-301 exam using clear methods and practical examples. Calculate masks, networks, hosts, broadcasts and VLSM plans.

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CCNA 7 min read

CCNA Course Fees in Chennai (2026) — Full Cost, Exam Fee & Salary Guide

Exactly what CCNA costs in Chennai: training fee, registration, lab access, the Cisco 200-301 exam fee, hidden costs to avoid and the salary you can expect.

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CCNA 8 min read

CCNA Course in Chennai — Hands-On Networking Training with Placement Support

The complete guide to the best CCNA course in Chennai: syllabus, fees, duration, hands-on labs and placement record at Network Rhinos.

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