Online Digital Hierarchy eLearning Training
From Serebra Learning Corporation
High Speed Technologies Part 5 - SONET/SDH
This is the last course of a five part series that students will learn about optical transmission multiplexing optical networks synchronous optical network (SONET) signals SONET frames. Additionally students will learn about overheads pointers virtual tributaries SONET networks synchronous digital hierarchy (SDH) SONET and SDH hierarchies.
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From 123-CBT Computer Based Training
Cisco Networking Technologies Introduction Part 3

...ronous Optical Network (SONET), also known as Synchronous Digital Hierarchy (SDH).
Identify features of analog modems.
Identify features of cable modems.
Unit 3: Configuring Cisco IOS Devices (3 hours)
Identify stages in the process for starting and accessing a network router.
Identify characteristics of the Internetwork Operating System (IOS) command line interface (CLI).
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CCNT Broadband Technologies v 6 0 Part 1

...-division multiplexing (DWDM).
Identify features of the digital hierarchy.
Identify features of circuit switching.
Identify features of packet switching.
Identify functions of a Packet Assembler/Disassembler (PAD).
Identify characteristics of local area networks (LANs) and wide area networks (WANs).
Identify features of hierarchal network topologies.
Identify features of Token
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