From Serebra Learning Corporation
Telecommunications Industry Overview Version 1 
Connecting the world, the telecommunications industry stands as one of the most essential elements of the business world. It is also one of the most volatile. Plagued by regulatory discord and economic uncertainty, telecom carriers have struggled to maintain sound footing and a competitive edge, all the while endeavoring to provide crucial, uninterrupted service to their customers. In an age of
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CCNT Local Area Networks v6 Part 3 
This course teaches
Network Management and the tools and protocols associated with that. It also covers advanced network technologies including circuit switched services and packet switched services. A high level of computer skill is not required but learners will probably have had prior experience in the installation, support, and troubleshooting of computer networks.
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From Teach Me IT
OSI Network Layers 

The
OSI Network Layers WBT is the second course of the
Network+ curriculum, which prepares students for the
Comptia's Network+ Certification exam. This course is meant for system administrators and network professionals who want to understand the
OSI layers, such as the physical, data link, network, and transport layers in detail. The course describes the problems that can occur in the physical
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