From Serebra Learning Corporation
Usability Engineering 
This
WestNet e-Learning module presents the concept of usability engineering and also explores the various forms of testing and measurement, measurement devices, and methodology.
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Antennas and Accessories 
In this module, we will discuss the proper methods for installing each kind of antenna. We will explain polarization, coverage patterns, and appropriate uses of antennas. Additionally, we describe the many different items that are used to connect antennas to other wireless
LAN hardware.
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LAN and WAN Protocols 
This
WestNet e-Learning module explores local area network (
LAN) and wide area network (
WAN) protocols and how they are used to get information into the node so it can, in turn, be delivered to the processes at the higher layers.
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Digital Subscriber Line 
To explain the various technologies used to provide digital subscriber lines
Network managers, builders of wide area networks, systems engineers, and technical support staff
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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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