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Computer Network Protocols 4th Grade: Transmission Media

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Computer Network Protocols 4th Grade: Transmission Media

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Questions and Answers

What is the primary function of a modem?

To decode analog signals into digital signals
To amplify weak digital signals
To encode digital signals into analog signals
To connect digital computers to analog telephone networks (correct)

What is the European standard network for synchronous digital hierarchy?

RS-232
RS-422
SONET
SDH (correct)

What is the maximum number of stations in a Bluetooth Pico net?

6
10
8 (correct)
4

What is the primary purpose of SONET and SDH networks?

To remove loads from other WANs (C) Signup and view all the answers

What organization developed the SONET standard?

ANSI (C) Signup and view all the answers

What was the origin of Bluetooth technology?

A project by Ericsson (A) Signup and view all the answers

What is the primary purpose of twisting two copper wires together in a Twisted Pair cable?

To reduce the effect of crosstalk noise (A) Signup and view all the answers

What type of cable is used for digital transmission and has a 50-ohm impedance?

Baseband Coaxial Cable (B) Signup and view all the answers

What is the main difference between multimode and single mode Fiber Optic Cables?

The type of light source used (C) Signup and view all the answers

What type of transmission is used in Cable TV?

Analog transmission (A) Signup and view all the answers

What is the primary characteristic of a Line-of-sight transmission system?

The transmitter and receiver must be in direct line of sight (A) Signup and view all the answers

What is the term used to describe the modulation of a sine wave carrier to convey data?

Modulation (C) Signup and view all the answers