Chapter 22 - Building TelCom Systems

Question 1

The transmission, emission, or reception of signs, signals, writing, images, sounds, or information of any nature by wire, radio, optical, or other electromagnetic systems.

Answer 1

Telecommunication

Question 2

It uses electricity, light (visible and infrared), or radio waves to transmit signals that carry voice and data transmissions.

Answer 2

Telecommunication system

Question 3

Telecommunication systems function when a _______ converts sound waves or data into signals, which travel along wires or through the air before reaching their destination.

Answer 3

Transmitter

Question 4

When a ______ intercepts the signals, they are converted back into useful data or sound waves that become distinguishable by the human ear and recognized by brain.

Answer 4

Receiver

Question 5

A telecommunications device that functions as a transmitter and receiver

Answer 5

Transceiver

Question 6

It is the conversion of useful sound or data into electrical impulses. It is capable of transmitting both voice and nonvoice messages.

Answer 6

Analog Transmission

Question 7

A transmission of a signal that varies in voltage to represent one of two separate states

Answer 7

Digital Transmission

Question 8

A collection of communication equipment and devices that are interconnected so they can communicate in order to share data, hardware, and software or perform an electronic function

Answer 8

Telecommunications network

Question 9

The network includes a series of connecting points called _______.

Answer 9

nodes

Question 10

It describes the configuration of a network, including its nodes, connecting cables and equipment. It describes the manner in which the cable is run to individual workstations on the network.

Answer 10

Topology

Question 11

It connects each workstation (node) to a single cable trunk. All signals are broadcast to all workstations.

Answer 11

Bus topology

Question 12

Topology where all workstations (nodes) are connected to a central unit called a hub.

Answer 12

star topology

Question 13

A network that is wired in the _______ connects workstation equipment and devices in a point to-point serial manner in an unbroken circular configuration

Answer 13

ring topology

Question 14

The most common medium through which voice and data usually move from one network device to another.

Answer 14

cable

Question 15

Devices that connect cable to the network device

Answer 15

connectors

Question 16

Historically, this material has been the principal telecommunications transmission medium. It consists of one or more pairs of solid copper wires.

Answer 16

copper

Question 17

It has two conductors: an inner solid wire surrounded by an outer braided metal sheath.

Answer 17

Coaxial cable

Question 18

Thin coaxial cable is also referred to as _____.

Answer 18

thinnet

Question 19

Thick coaxial cable is referred to as _____.

Answer 19

thicknet

Question 20

It is a type of coax cable with an additional outer copper braid insulated from signal carrying conductors

Answer 20

Triax cable

Question 21

A type of communication transmission cable consisting of two center conductors surrounded by an insulating spacer

Answer 21

Twin axial cable (Twinax)

Question 22

These are long, thin strands of very pure silicon glass or plastic about the diameter of a human hair.

Answer 22

Optical fibers

Question 23

The thin glass center of an optic fiber where the light travels

Answer 23

core

Question 24

The outer material surrounding the optic fiber core that reflects the light back into the core.

Answer 24

cladding

Question 25

A plastic coating that protects the fiber from damage and moisture.

Answer 25

buffer coating

Question 26

It refers to the technology in which communication signals in the form of modulated light beams are transmitted over a glass fiber transmission medium.

Answer 26

Fiber optics

Question 27

A term used to describe telecommunications in which electromagnetic waves (instead of some form of wire) carry the signal.

Answer 27

Wireless

Question 28

A wireless network consists of a number of computers, each equipped with a wireless networking interface card. Each computer can communicate directly with all of the other wireless-enabled computers and equipment (e.g., printers).

Answer 28

Peer-to-peer

Question 29

An _____________ wireless network has a computer or receiver that serves as the point at which the network is accessed. It acts like a hub, which provides connectivity for the wireless equipment.

Answer 29

Access point or base station

Question 30

Wi-Fi is derived from the term ______.

Answer 30

wireless fidelity