Deck 36: Infrastructure

Question 1

A ____ is an agreed-upon way of doing something within an industry.

A) firewall
B) switch
C) diagnostic
D) standard

Answer 1

D

Question 2

A DSL modem is similar to a satellite connection and provides high-speed Internet service over wireless.

Answer 2

False

Question 3

Signal frequency is measured in ____.

A) bits per second
B) hertz
C) gigabytes
D) nanobits

Answer 3

B

Question 4

A device or software that filters the information coming onto a network is called a ____.

A) bridge
B) gateway
C) firewall
D) repeater

Question 5

Protocols play an important role in defining how telecommunications work.

Question 6

Ethernet is the most widely used network standard for private networks.

Question 7

The digital divide is an ethical dilemma created by network providers that seek to maximize profits.

Question 8

Analog systems were designed to support voice communications.

Question 9

A(n)____ signal is designed to represent computer data in a discrete high (on)or low (off)state.

A) analog
B) digital
C) impulse
D) traffic

Question 10

Three types of physical cables that carry a signal are twisted pair,fiber optic,and ____.

A) wave
B) coaxial
C) Ethernet
D) satellite

Question 11

____ is a popular cable type used as a network backbone by major telecommunications companies.

A) Twisted pair
B) Fiber optic
C) Coaxial
D) broadband

Question 12

With the help of a ____,devices can modulate signals from one form to another to allow them to connect to the Internet.

A) twisted-pair cable
B) spectrum
C) radio wave
D) modem

Question 13

____ is the electronic transmission and reception of voice and data signals.

A) TCP/IP
B) Telecommunications
C) HTTP
D) Narrowband

Question 14

To prevent interference and improve transmission of data,services such as cell phones are allocated at different ____.

A) frequencies
B) hotspots
C) access points
D) bandwidths

Question 15

Fiber-optic cabling sends signals much more slowly than twisted pair or coaxial cabling.

Question 16

The language of telecommunications is governed by rules called ____.

A) servers
B) the web
C) protocols
D) hardware specifications

Question 17

The microwave used to heat your food and the cell phones you use are part of the ____.

A) Internet backbone
B) gamma ray spectrum
C) router system
D) electromagnetic spectrum

Question 18

A ____ is considered a telecommunications device that sends and receives signals.

A) microphone
B) satellite
C) speaker
D) protocol

Question 19

The Internet has adopted the ____ set of protocols to define its format of communications between devices.

A) 4G
B) Internet2
C) TCP/IP
D) DNS

Question 20

The U.S.Federal Trade Commission (FTC)assigns different frequencies of the electromagnetic spectrum for different uses in the United States.