TCO CTNS Study Guide

TCO Certified Telecommunications Network Specialist Course Book

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    • $69.99
    • $69.99

Publisher Description

The CTNS Study Guide is an essential enhancement to the TCO Certified Telecommunications Network Specialist (CTNS) Certification Package. This Study Guide - the course book - contains detailed notes and graphics conforming exactly to the lessons in the eight CTNS courses:

2241 Introduction to Broadband Converged IP Telecom,

2206 Wireless Telecommunications,

2221 Fundamentals of Voice over IP,

2201 The PSTN,

2212 OSI Layers and Protocol Stacks,

2211 LANs, VLANs, Wireless and Optical Ethernet,

2213 IP Addresses, Packets and Routers, and

2214 MPLS and Carrier Networks.

This book therefore contains all of the answers to the CTNS exam questions!

Having a companion reference textbook avoids the need to take notes, and greatly enhances learning and retention, helping you learn and burn the concepts into the neurons of your brain.

This course book is also a valuable day-to-day reference handbook and glossary on its own, independent of the online courses.


The TCO CTNS courses deliver a solid foundation of knowledge in broadband, telecom, datacom and networking: the fundamentals, technologies, jargon and buzzwords, standard practices and most importantly, the underlying ideas, and how it all fits together... plus TCO Certification to prove it!

The selection of material for CTNS, its order, timing, and explanations are field-tested to deliver the core knowledge required for today’s telecommunications.

Our goal is to transfer to you knowledge spanning fundamentals to the latest technologies, and how they are deployed – in plain English. We'll bust the buzzwords and demystify the jargon, giving you the confidence you need via a solid understanding.


The first four CTNS courses begin with Broadband Converged IP Telecom, an introduction and first pass through all of the topics; followed by Wireless Telecommunications, including 5G and Wi-Fi 6, then Introduction to Voice over IP, and rounded out with The PSTN.

The next courses in CTNS deliver a practical understanding of telecom networks and the three enabling technologies: Ethernet and its MAC frames, IP packets with IP addresses and routers, and the traffic management system MPLS. We begin with the OSI Layers to organize the discussions.

Professional & Technical
May 6
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