Deck 6: The Internet

Question 1

The www in a URL is part of a domain name.

Answer 1

False

Question 2

You may use an analog modem even if your phone service is digital.

Answer 2

True

Question 3

Cloud computing is the term given to analyzing cloud patterns and,with the help of the computer,predicting the weather.

Answer 3

False

Question 4

The disadvantages of WAP-enabled devices include their high price.

Question 5

One of the most common ways of gaining unauthorized access to a network is by looking for open ports.

Question 6

FTP is a protocol used by Internet phone companies for free long distance.

Question 7

You can use a hotspot for true mobile Internet access.

Question 8

BitTorrent protocols dissect files into small chunks that might reside on different computers.

Question 9

Most firewall software is preconfigured to block only unnecessarily open ports targeted by hackers.

Question 10

Most of today's laptops are not equipped for Wi-Fi.

Question 11

Most cellular service providers offer wireless modems for broadband data access.

Question 12

For portable satellite Internet service,a satellite dish can be mounted on a vehicle.

Question 13

The octets in an IP address correspond to the parts of a Web site address.

Question 14

You must pay for a domain name.

Question 15

Cable signals are not particularly vulnerable to environmental interference.

Question 16

All IP addresses are static.

Question 17

With a voiceband modem,actual data transfer speeds are affected by factors such as the quality of your phone line and connection.

Question 18

P2P file sharing allows users to obtain files from other users on the Internet.

Question 19

Cell phones that offer Wi-Fi are not capable of making VoIP calls.

Question 20

All IP addresses are dynamic.

Question 21

DSL is digital,so data (doesn't need) to be changed into analog signals and then back to digital._________________________

Question 22

Setting up a secure VPN is (easy)._________________________

Question 23

Distributed grids tap into thousands of PCs and Macs with Internet connections whose owners (rent) their computer's idle hours to a grid processing task._________________________

Question 24

Network service providers include ____.

A) AT&T
B) Sprint
C) Verizon
D) all of the above

Question 25

(MiFi) is a brand name for a compact,mobile,wireless router offered by Novatel Wireless._________________________

Question 26

A domain name ends with an extension that indicates its (top-level) domain._________________________

Question 27

The accompanying figure represents the connection of your computer to the Internet;the router marked A should belong to a(n)____.

A) ISP
B) NSP
C) end user
D) none of the above

Question 28

A(n) (on-and-off) connection can have a static or dynamic IP address._________________________

Question 29

(NATs) are intended to work within LANs to monitor and direct packets being transported from one device to another._________________________

Question 30

Most messaging is based on a(n) (client/server) technology._________________________

Question 31

(Downstream) speed is the rate of data transmitted from your computer to the Internet._________________________

Question 32

There are estimated to be more than ____ users of the Internet.

A) 2 million
B) 2 billion
C) 2 trillion
D) 100 million

Question 33

The big bonus of portable (WiMAX) is that you use the same Internet service provider whether you are at home or on the road._________________________

Question 34

Wi-Fi handoffs from one Wi-Fi network to another are clumsy and prone to (packet) loss._________________________

Question 35

In the context of networking,a(n) (virus-protector) is software or hardware designed to filter out suspicious packets attempting to enter or leave a computer._________________________

Question 36

Google Apps provides a glimpse of what (grid) computing has to offer for productivity applications._________________________

Question 37

(Mobile) Internet access allows you to easily move your access device,as in the case of vehicle-mounted satellite dishes that can be deployed when the vehicle is parked._________________________

Question 38

The Internet began with a project called ____.

A) NSF
B) AOL
C) ARPANET
D) WWW

Question 39

ISPs can maintain servers for ____.

A) music file sharing
B) online discussions
C) instant messaging
D) all of the above

Question 40

Current (dial-up) technology can transport data at speeds up to 6 Mbps downstream for a distance of about 1.25 miles (2 km)._________________________

Question 41

A fixed Internet connection that uses a voiceband modem and telephone lines is a(n)____ connection.

A) dial-up
B) fixed
C) DSL
D) ISDN

Question 42

Most Internet servers have an easy to remember name that is known as a(n)____.

A) top-level name
B) ISP
C) FQDN
D) NAP name

Question 43

____ service offered slightly faster service than dial-up but has today been replaced by DSL.

A) ISDN
B) WiMAX
C) Cable Internet
D) Satellite Internet

Question 44

DSL uses ____ to transmit data.

A) phone lines
B) cable connections
C) T1 lines
D) none of the above

Question 45

In the accompanying figure,C points to ____.

A) an ISP
B) an NSP
C) the Internet backbone
D) an Internet router

Question 46

Digital telephone systems open up the possibilities for digital data transport options such as ____.

A) cable Internet service
B) DSL
C) WiMAX
D) Both B and C

Question 47

Every domain name corresponds to a unique IP address that has been entered into the ____.

A) domain database
B) Domain Name System
C) name server
D) Internet Name Server

Question 48

The accompanying figure represents the connection of your computer to the Internet;the router marked B should belong to a(n)____.

A) ISP
B) NSP
C) company
D) none of the above

Question 49

____ is a valid top-level domain.

A) ca
B) can
C) gog
D) aol

Question 50

Technical management of the Internet's Domain Name System is coordinated by ____.

A) the government
B) ICANN
C) CANN
D) the Internet

Question 51

In the accompanying figure,the type of signal represented by B is a(n)____.

A) digital signal
B) analog signal
C) sine signal
D) cosine signal

Question 52

You need your own domain name if ____.

A) you use the Internet
B) you have an always-on connection
C) you have your own Web site
D) you have a router

Question 53

The elapsed time for data to make a round trip from point A to point B and back is called ____.

A) speed
B) latency
C) mHz
D) access time

Question 54

The rate of data that is transmitted from your computer to the Internet is ____.

A) downstream speed
B) upstream speed
C) latent speed
D) traceroute speed

Question 55

The rate of data arriving at your computer is ____.

A) downstream speed
B) upstream speed
C) latent speed
D) traceroute speed

Question 56

DNS cache ____ has been used by governments to keep citizens away from Web sites that supply politically or culturally inflammatory information.

A) diversion
B) rerouting
C) poisoning
D) distraction

Question 57

The octets in an IP address correspond to a ____.

A) network class
B) network location
C) network configuration
D) none of the above

Question 58

Until domain names are added to the DNS database,new sites can only be accessed by entering their numeric ____.

A) ports
B) domain names
C) protocols
D) IP addresses

Question 59

In the accompanying figure,the type of signal represented by A is a(n)____.

A) digital signal
B) analog signal
C) sine signal
D) cosine signal

Question 60

A ____ is a device that connects a computer to a telephone line and converts computer data signals into signals compatible with DSL.

A) DSL filter
B) DSL converter
C) DSL modem
D) DSL adapter

Question 61

____ replaced analog technology with digital technology and added support for text messages.

A) 1G
B) 2G
C) 3G
D) 4G

Question 62

____ technologies support digital transmission for both voice and data.

A) 1G
B) 2G
C) 3G
D) None of the above

Question 63

____ currently offers the fastest Internet access speeds.

A) ISDN
B) DSL
C) Satellite
D) Cable

Question 64

____ computing depends on a grid of servers,storage devices,and protocols that offer Internet-accessible computing services ranging from consumer-level media sharing to office productivity applications and complex corporate data processing.

A) Cloud
B) Disperse
C) Ambient
D) Client

Question 65

Data transport rates depend on the technology of the cellular system.The generation of cellular technology associated with analog voice service is ____.

A) 1G
B) 2G
C) 2.5G
D) 3G

Question 66

The ability to easily move your Internet service from one location to another is considered ____ Internet service.

A) mobile
B) portable
C) moving
D) cellular

Question 67

Sending computer data over a ____ system required a voiceband modem to convert digital data into audible signals.

A) 1G
B) 2G
C) 3G
D) Both A and B

Question 68

Examples of 3G technologies include ____.

A) EDGE
B) EV-DO
C) HSUPA
D) all of the above

Question 69

Satellite data transport is subject to ____ delays of one second or more,which occur as your data is routed between your computer and a satellite that orbits 22,200 miles above the Earth.

A) latency
B) conditional
C) frequency
D) concatenation

Question 70

Portable Internet access includes all of the following EXCEPT ____.

A) WiFi
B) portable satellite
C) portable WiMAX
D) cellular

Question 71

Most messaging is based on a(n)____ model.

A) P2P
B) client/server
C) LAN
D) Internet

Question 72

The disadvantage of WAP-enabled devices is their ____.

A) access speed
B) screen size
C) portability
D) all of the above

Question 73

Satellite Internet service and TV service requires ____.

A) two satellite dishes and a modem
B) a satellite dish and a modem
C) two satellites dishes and two modems
D) one satellite dish and two modems

Question 74

Cable Internet service needs ____.

A) circuitry to handle Ethernet protocols and a cable modem
B) a cable modem and router
C) Internet protocols and a cable modem
D) a cable modem and phone lines

Question 75

____ wireless Internet service is designed to offer Internet access to homes and businesses by broadcasting data signals over areas large enough to cover most cities and outlying areas.

A) Mobile
B) Cellular
C) WiFi
D) Fixed

Question 76

____ is an up-and-coming standard destined to be deployed by ISPs and cell phone carriers to allow seamless handoff between one tower and another.

A) WiMAX
B) Mobile WiMAX
C) Portable WiMAX
D) Mobile WiFi

Question 77

An Ethernet-compatible network standard designated as IEEE 802.16 is ____.

A) WiFi
B) WiLAN
C) WiMAX
D) WiMAN

Question 78

Interim 4G technologies such as ____ have been deployed since 2009.

A) LTE
B) ITE
C) EV-DO
D) none of the above

Question 79

A communications protocol that provides Internet access from handheld devices is ____.

A) WAP
B) WIP
C) HAP
D) HIP

Question 80

With ____ you can easily assemble a small network just about anywhere.

A) RF
B) MiFi
C) EVDO
D) All of the above