From Serebra Learning Corporation
VoIP Network Quality of Service Techniques 
This module investigates the
QoS service details necessary to provide acceptable voice quality over the best effort data network. Here, we first discuss general converged network QoS requirements. We find that QoS parameters extend beyond just bandwidth and delay, but also include jitter, packet loss, network availability, and security. We discuss traffic shaping and admission control, and learn
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Indoor Hoisting and Rigging 
This course is designed to educate the worker on the significant safety issues to be considered while moving large, heavy loads associated with today's manufacturing and construction industries. The content in this course is designed to comply with the intent of the applicable regulatory requirements. specify general safety issues of cranes, hoisting, and rigging define the purpose of the
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