Deck 3: Transmission Basics and Networking Media

Question 1

The most significant factor in choosing a transmission method is its ____.

A) noise
B) attenuation
C) throughput
D) latency

Answer 1

C

Question 2

One of the most common transmission flaws affecting data signals is ____.

A) noise
B) attenuation
C) throughput
D) latency

Answer 2

A

Question 3

Serial refers to a style of data transmission in which the pulses that represent bits follow one another along a ____ transmission line.

A) long
B) short
C) secondary
D) single

Answer 3

D

Question 4

The serial interface on the back of the connectivity device is often labeled "____."

A) Connector
B) Port
C) Board
D) Console

Question 5

The distance between corresponding points on a wave's cycle is called its ____.

A) amplitude
B) frequency
C) phase
D) wavelength

Question 6

____ is a technology used with fiber-optic cable, which enables one fiber-optic connection to carry multiple light signals simultaneously.

A) Statistical multiplexing
B) WDM (wavelength division multiplexing)
C) TDM (time division multiplexing)
D) FDM (frequency division multiplexing)

Question 7

The byte 00001110 means ____ on a digital network.

A) 3
B) 6
C) 14
D) 30

Question 8

A digital signal composed of a pulse of positive voltage represents a(n) ____.

A) 0
B) 1
C) 4
D) 8

Question 9

Which connector is used in RS-232 transmissions?

A) DB-25
B) ST
C) BNC
D) Cat-5

Question 10

The data transmission characteristic most frequently discussed and analyzed by networking professionals is ____.

A) noise
B) scalability
C) throughput
D) cost

Question 11

The maximum distance a signal can travel and still be interpreted accurately is equal to a segment's maximum length.

Question 12

The strength of an electrical signal is directly proportional to its frequency.

Question 13

In modulation, a simple wave called a(n) ____ wave, is combined with another analog signal to produce a unique signal that gets transmitted from one node to another.

A) carrier
B) data
C) information
D) FM

Question 14

____ describes a popular serial data transmission method.

A) EIA/TIA Commercial Building Wiring Standard
B) EIA/TIA RS-232 (Recommended Standard 232)
C) EIA/TIA 568A standard
D) EIA/TIA 568BA standard

Question 15

When signals are free to travel in both directions over a medium simultaneously, the transmission is considered ____.

A) simplex
B) multiplex
C) half-duplex
D) full-duplex

Question 16

Modulation can be used to make a signal conform to a specific pathway.

Question 17

Ethernet is an example of a baseband system found on many LANs.

Question 18

Latency occurs when a signal traveling on one wire or cable infringes on the signal traveling over an adjacent wire or cable.

Question 19

The more twists per foot in a pair of wires, the more resistant the pair will be to ____.

A) throughput
B) attenuation
C) cross talk
D) latency

Question 20

Modern LANs use ____ or higher wiring.

A) Cat 3
B) Cat 5
C) RG-6
D) RG-59

Question 21

Which term identifies a room containing connectivity for groups of workstations in its area?

A) MDF (main distribution frame)
B) entrance facilities
C) work area
D) telecommunications closet

Question 22

The points where circuits interconnect with other circuits is known as ____.

A) entrance facilities
B) cross-connect facilities
C) IDF (intermediate distribution frame)
D) telecommunications closet

Question 23

Many network problems can be traced to poor cable ____ techniques.

A) manufacturing
B) engineering
C) installation
D) planning

Question 24

Which standard is also known as structured cabling?

A) TIA/EIA Commercial Building Wiring Standard
B) TIA/EIA RS-232 (Recommended Standard 232)
C) TIA/EIA 568A Standard
D) TIA/EIA 568BA Standard

Question 25

Which term describes the hardware that makes up the enterprise-wide cabling system?

A) wiring board
B) patch panel
C) network diagram
D) cable plant

Question 26

Describe what FDM (frequency division multiplexing) is and how it works.

Question 27

____________________ is a term used by networking professionals to describe the nondata information that must accompany data for a signal to be properly routed and interpreted by the network.

Question 28

Explain the makeup of coaxial cable.

Question 29

____________________ are the pieces of hardware that connect the wire to the network device.

Question 30

Describe the advantages of twisted pair wiring.

Question 31

____________________ transmission involves one transmitter and multiple receivers.

Question 32

____ describes wiring that connects workstations to the closest telecommunications closet.

A) Backbone wiring
B) Horizontal wiring
C) Work area
D) Simple wiring

Question 33

Explain how half-duplex transmissions work.

Question 34

Describe a drawback of analog signals.

Question 35

____________________ cabling consists of one or more insulated wire pairs encased in a plastic sheath.

Question 36

Describe two benefits of digital signaling that make it worthwhile even though extra signaling pulses are involved.

Question 37

Describe variables that may influence the final cost of implementing a certain type of media.

Question 38

The use of 1s and 0s to represent information is characteristic of a(n) ____________________ system.

Question 39

Explain the makeup of twisted pair wire.

Question 40

Explain the makeup of fiber-optic cable.

Question 41

Describe the benefits of fiber-optic cabling over copper cabling.