Deck 4: Telecommunications,the Internet,intranets,and Extranets

Question 1

Client/server architecture refers to a computing environment where software and storage are provided as an Internet service and accessed with a Web browser.

Answer 1

False

Question 2

The Internet2 offers the potential of faster Internet speeds-up to 10 Gbps or more.

Answer 2

True

Question 3

With decentralized processing,processing devices are placed at remote locations but are connected to each other via a network.

Answer 3

False

Question 4

An IP address is a 32-bit number that identifies a computer on the Internet.

Question 5

A multiplexer translates data from a digital form (as it is stored in a computer)into an analog signal that can be transmitted over ordinary telephone lines.

Question 6

A geostationary satellite orbits the earth in a very low orbit at an altitude of less than 1,000 miles.

Question 7

Near field communication (NFC)is a guided transmission media type.

Question 8

Microwave is a high-frequency radio signal (300 MHz-300 GHz)sent through atmosphere and space.

Question 9

5G is a term used to identify the next major phase of mobile telecommunications standards beyond 4G.

Question 10

A local area network (LAN)can be used to connect a laptop,digital camera,and portable printer without cables.

Question 11

A telecommunications protocol is any material substance that carries an electronic signal to support communications between a sending and receiving device.

Question 12

Servers are equipped with operating system software to manage the activities of a network.

Question 13

In cloud computing,software and storage are accessed without a Web browser.

Question 14

Telecommunications is changing the nature of commerce itself.

Question 15

A router is a network device that serves as an entrance to another network.

Question 16

An Internet service provider (ISP)is a Web address that specifies the exact location of a Web page using letters and words that map to an IP address and a location on the host.

Question 17

A switch is a communications system that manages both voice and data transfer within a building and to outside lines.

Question 18

Organizations can use networks to share hardware,programs,and databases.

Question 19

The network operating system (NOS)performs similar functions for the network as operating system software does for a computer,such as memory and task management and coordination of hardware.

Question 20

Transmission media can be divided into two broad categories: guided transmission media and wireless.

Question 21

Over the years,the Web has evolved from a one-directional resource where users only obtain information to a two-directional resource where users obtain and contribute information.

Question 22

Extensible Markup Language (XML)is the standard page description language for Web pages.

Question 23

A mashup is a program to combine two or more Web applications into a new service.

Question 24

In a _____,all network devices are connected to a common backbone that serves as a shared communications medium.

A) star network
B) mesh network
C) ring network
D) bus network

Question 25

_____ is a wireless communications specification that describes how cell phones,computers,and printers can be connected over distances of 10 to 30 feet at a rate of about 2 Mbps and allows users of multifunctional devices to synchronize information.

A) Fiber optics
B) Bluetooth
C) Ultra wideband
D) ZigBee

Question 26

A _____ satellite system employs many satellites that are spaced so that,from any point on the Earth at any time,at least one satellite is on a line of sight,each in an orbit at an altitude of less than 1,000 miles.

A) very small aperture satellite (VSAT)
B) microwave
C) low earth orbit satellite (LEO)
D) geostationary

Question 27

Web sites such as Wikipedia,YouTube,and Facebook are examples of Web 1.0 sites.

Question 28

Conducting classes over the Web with no physical class meetings is called content streaming.

Question 29

A _____ is a network that uses multiple access points to link a series of devices that speak to each other to form a network connection across a large area.

A) mesh network
B) star network
C) bus network
D) ring network

Question 30

_____ refers to the rate at which data is exchanged,usually measured in bits per second (bps).

A) Channel bandwidth
B) Network topology
C) Network throughput
D) Content streaming

Question 31

A _____ is a telecommunications network that connects users and their computers in a geographical area that spans a campus or city.

A) local area network (LAN)
B) personal area network (PAN)
C) wide area network (WAN)
D) metropolitan area network (MAN)

Question 32

Rich Internet applications (RIAs)are the result of continuously improving programming languages and platforms designed for the Web.

Question 33

Businesses find Twitter to be a rich source of customer sentiment that can be tapped to improve marketing,customer relations,and product development.

Question 34

John is traveling on a bus and has interconnected his smartphone,laptop,and digital camera to download digital photos from his camera to his phone and laptop.In this case,John is using a _____.

A) personal area network (PAN)
B) local area network (LAN)
C) wide area network (WAN)
D) metropolitan area network (MAN)

Question 35

_____ is a very short-range wireless connectivity technology designed for cell phones and credit cards.

A) WiMAX
B) Long Term Evolution (LTE)
C) Microwave transmission
D) Near field communications (NFC)

Question 36

The area covered by one or more interconnected wireless access points is commonly called a(n)_____.

A) reception area
B) hot spot
C) coverage zone
D) access area

Question 37

A _____ is one in which all network devices are connected to one another through a single central device called the hub node.

A) mesh network
B) bus network
C) star network
D) ring network

Question 38

Security and performance concerns for an extranet are similar to that for a Web site or network-based intranet.

Question 39

Most rich Internet applications (RIAs)take advantage of being online by emphasizing their collaborative benefits.

Question 40

Extensible Markup Language (XML)is used within a Web page to describe and transfer data between Web service applications.

Question 41

A _____ is a valuable tool that enables a user to find information on the Web by specifying words or phrases known as keywords,which are related to a topic of interest.

A) cookie
B) plug-in
C) Web portal
D) search engine

Question 42

The Internet is migrating to Internet Protocol version 6 (IPv6),which uses _____ addresses to provide for many more devices.

A) 32-bit
B) 64-bit
C) 128-bit
D) 256-bit

Question 43

_____ is a markup language for Web documents containing structured information,including words and pictures.

A) Hypertext Markup Language (HTML)
B) Hypermedia/Time-based Structuring Language (HyTime)
C) Standard Generalized Markup Language (SGML)
D) Extensible Markup Language (XML)

Question 44

The _____ was the ancestor of the Internet.

A) Abilene network
B) National LambdaRail
C) AOL network
D) ARPANET

Question 45

_____ is an object-oriented programming language from Sun Microsystems based on the C++ programming language,which allows small programs,called applets,to be embedded within an HTML document.

A) Extensible Markup Language (XML)
B) Java
C) COBOL
D) .NET

Question 46

_____ refers to the electronic transmission of signals for communications by such means as telephone,radio,and television.

Question 47

The Web as a computing platform that supports software applications and the sharing of information among users is referred to as _____.

A) Web 2.0
B) Web 1.0
C) the social Web
D) 5G Internet

Question 48

A(n)_____ is a 64-bit number that identifies a computer on the Internet.

A) hyperlink
B) Uniform Resource Locator (URL)
C) IP address
D) domain name

Question 49

The fiber-optic cables that span the globe over land and under sea make up the _____.

A) Internet backbone
B) client/server architecture
C) Internet Protocol
D) network topology

Question 50

bps stands for _____.

Question 51

In which of the following approaches to processing does all processing occur in a single location or facility?

A) Scattered processing
B) Decentralized processing
C) Distributed processing
D) Centralized processing

Question 52

_____ is a communication standard that enables computers to route communications traffic from one network to another as needed.

A) The Internet Protocol (IP)
B) The ARPANET
C) A Uniform Resource Locator (URL)
D) A Wi-Fi

Question 53

_____ frequency range for wireless communications operates in the 3 KHz-300 MHz range.

Question 54

Many Internet addresses have a code denoting _____categories,such as com for business sites and edu for education sites.

A) domain
B) affiliation
C) cloud
D) Web

Question 55

_____ is a common form of guided transmission media that is made of extremely thin strands of glass bound together in a sheathing and uses light beams to transmit signals.

Question 56

_____ is a relative term but generally means a telecommunications system that can exchange data very quickly.

Question 57

A _____ is a telecommunications device that translates data from a digital form (as it is stored in the computer)into an analog signal that can be transmitted over ordinary telephone lines.

A) router
B) modem
C) multiplexer
D) switch

Question 58

Data is broken into _____ to be transmitted over the Internet.

A) packets
B) messages
C) bytes
D) bits

Question 59

_____ are specially denoted text or graphics on a Web page that,when clicked,open a Web page containing related content.

A) Cookies
B) Hyperlinks
C) Tags
D) Registers

Question 60

_____ is a Web address that specifies the exact location of a Web page using letters and words that map to an IP address and a location on the host.

A) A public cloud
B) A hyperlink
C) A Uniform Resource Locator (URL)
D) The World Wide Web (WWW)

Question 61

A(n)_____ is a network device that serves as an entrance to another network.

Question 62

In the context of Hypertext Markup Language (HTML),a(n)_____ is a code that tells the Web browser how to format text-as a heading,as a list,or as body text-and whether images,sound,and other elements should be inserted.

Question 63

After creating Web pages,the next step is to place,or publish,the content on a(n)_____.

Question 64

_____ is a development and Web services platform from Microsoft that allows developers to use different programming languages to create and run programs.

Question 65

_____ telecommunications involves the broadcast of communications in one of three frequency ranges: microwave,radio,and infrared.

Question 66

_____ is the category of transmission media in which communications signals are channelized along a solid medium.

Question 67

Messages on the Internet are typically sent through one or more _____ to reach their destinations.

Question 68

_____ is a 4G alternative based on a set of IEEE 802.16 wireless metropolitan area network standards that support various types of communications access.

Question 69

The set of rules used to pass packets of data from one Internet host to another is called the _____.

Question 70

_____ is a markup language for Web documents containing structured information,including words and pictures.

Question 71

_____ is a form of short-range communications that employs extremely short electromagnetic pulses lasting just 50 to 1,000 picoseconds that are transmitted across a broad range of radio frequencies of several gigahertz.

Question 72

The _____ is responsible for managing IP addresses and Internet domain names.

Question 73

A(n)_____ is systems software that controls the computer systems and devices on a network and allows them to communicate with each other.

Question 74

A(n)_____ is a telecommunications network that connects users and their computers in a geographical area that spans a campus or a city.

Question 75

Long Term Evolution (LTE)is a standard for wireless communications for mobile phones based on _____.

Question 76

_____ is a process for driving traffic to a Web site by using techniques that improve the site's ranking in search results.

Question 77

A(n)_____ is any organization that provides Internet access to people.

Question 78

_____ is a wireless communications specification that describes how cell phones,computers,and printers can be connected over distances of 10 to 30 feet at a rate of about 2 Mbps and allows users of multifunctional devices to synchronize information.

Question 79

A(n)_____ is a satellite ground station with a dish antenna smaller than 3 meters in diameter.

Question 80

With a(n)_____ wireless network,a user's computer,smartphone,or other mobile device has a wireless adapter that translates data into a radio signal and transmits it using an antenna.