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Course 4

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Text 1. What are network links?

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Text 1. What is a base station?

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Text 1. Data is transferred in the form of ____.

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Listen to the recording. 

Просмотрите слова для успешного прослушивания:

DSL = Digital Subscriber Line

Digital lines that are provided by telephone companies.

PBX = Private Branch Exchange

A telephone system bought and used by a company in their office? Частная телефонная станция (с выходом в общую сеть)

PSTN = PublicSwitchedTelephoneNetwork

A country’s telephone  network.

PTT = Public Telephone & Telegraph

A country’s telephone network operator, предприятия почтовой, телеграфной и телефонной связи

VoIP = Voice over IP

Packetized voice over Internet

VSAT = Very Small Aperture Terminal

A small satellite dish normally mounted on the roof of a building

Cable landing point – место (точка) выхода кабеля на земле

Microwave radio link – микроволновая радиосвязь

Data network provider – поставщик услуг сети для передачи данных

Poor fixed line infrastructure – плохая инфраструктура стационарных линий

The countryelectricity utility - энергетическая компания страны

Fiber backbone – оптоволоконная магистральная линия связи

Local telephone exchanges - местные телефонные станции

Point to point microwave tower – вышка антенны СВЧ связи между двумя узлами

Switching equipment – коммутационная аппаратура (оборудование)

Copper fixed lines – медные стационарные линии

Copper twisted pair – медная витая пара (проводов)

Lead times – период внедрения

Local loop  - местная линия связи

Intelsat connection – соединение со спутником международной связи

Ethernet - стандарт организации локальных сетей, сеть Ethernet

 

Listen to the recording.Tick the infrastructure that has been completed and is available.

 

 

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Read the text ‘Solutions for Networking’: Networking Troubleshooting’. Fill in the gaps with the following words:

DHCP, CAT-5 cable, router, network, cycle, WLAN, Internet, Configuration

Routers need a correct to work properly. 

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Text 1.  _____ is the common standard for cell phones.

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Text 1. What is the address space?

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Text 1. Why does each cell use a different set of frequencies from neighboring cells?

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Text 1. What do PTOs stand for?

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Match the abbreviations to the Russian equivalents. 

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