Q. A three-layer switch is a kind of ________.

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Q. A two-layer switch is a ______.

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Q. Some new two-layer switches, called _______ switches, have been designed to forward the frame as soon as they check the MAC addresses in the header of the frame.

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Q. A _______ is a three-layer device that handles packets based on their logical addresses.

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Q. A ______ normally connects LANs and WANs in the Internet and has a table that is used for making decisions about the route.

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Q. A ______ switch is a faster and more sophisticated router.

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Q. A ________ is normally a computer that operates in all five layers of the Internet model or seven layers of OSI model.

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Q. A _____ can be used as a connecting device between two internetworks that use different models.

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Q. In a _____ backbone, the backbone is just one switch.

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Q. _______ is a first-generation cellular phone system.

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Q. __________ is a second-generation cellular phone system.

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Q. ____________ is a digital version of AMPS.

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Q. ___________ is a second-generation cellular phone system used in Europe.

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Q. ________ is a second-generation cellular phone system based on CDMA and DSSS.

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Q. The __________ cellular phone system will provide universal personal communication.

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Q. In a ______ handoff, a mobile station only communicates with one base station.

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Q. In a ______ handoff, a mobile station can communicate with two base stations at the same time.

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Q. _______ is an analog cellular phone system using FDMA.

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Q. AMPS operates in the ISM _____ band.

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Q. In AMPS, each band is divided into ______ channels.

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