Q. SONET defines a hierarchy of electrical signaling levels called

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Q. In Sonet network, a switch in a network mesh is called a

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Q. System Transport Signal (STS) multiplexer multiplexes signals from multiple sources and creates

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Q. Another alternative switching ring in a SONET ring network is

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Q. In Sonet Network, a point-to-point network is normally made of an

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Q. Multiplexing is synchronous

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Q. One problem with ring networks is the lack of

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Q. The SONET standard includes four functional

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Q. SONET defines Automatic Protection Switching (APS), to create protection against failure in

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Q. In STS Multiplexing, concatenated signals carrying

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Q. Types of VT have been defined to accommodate existing digital hierarchies, they have

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Q. SONET was developed by

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Q. A Sonet Network, in wchich sender uses a two-way connection to send data to both rings simultaneously is

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Q. In SONET, all clocks in the network are locked to achieve

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Q. A network that uses ADMs to allow the communications between several terminals is called

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Q. In STS Multiplexer, the type of signal at the input and output of an add/drop multiplexer is

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Q. In Sonet Frames, line overhead consists of

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Q. A ring SONET network can be

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