Q. _______ is suitable for businesses that require comparable upstream and downstream data rates.

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Q. The largest portion of the bandwidth for ADSL carries _______.

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Q. _______ was designed as an alternative to the T-1 line.

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Q. HDSL encodes data using _______.

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Q. Another name for the cable TV office is the _______.

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Q. A traditional cable TV network transmits signals ______.

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Q. In an HFC network, the downstream data are modulated using the _______ modulation technique.

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Q. In an HFC network, the upstream data are modulated using the _______ modulation technique.

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Q. The standard for data transmission over an HFC network is called _______.

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Q. The original telephone network, which is referred to as the plain old telephone system (POTS), was an ________ system.

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Q. The modern telephone network is now ________.

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Q. The telephone network is made of ______ major components.

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Q. In ______signaling, the same circuit is used for both signaling and data.

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Q. In ________signaling, a portion of the bandwidth is used for signaling and another portion for data.

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Q. The protocol that is used for signaling in the telephone network is called ______.

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Q. Telephone companies provide two types of analog services: analog _______ services and analog _____services.

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Q. The two most common digital services are ________ service and ______.

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Q. The term modem is a composite word that refers to the two functional entities that make up the device: a signal _______ and a signal _______.

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Q. Most popular modems available are based on the ________standards.

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Q. ______technology is a set of technologies develpoed by the telephone companies to provide high data rate transmission.

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