Deck 6: The Cloud

Question 1

A computer ________ is a collection of computers that communicate with one another over transmission lines or wirelessly.

A)database
B)application
C)network
D)server

Answer 1

C

Question 2

Identify a characteristic of in-house hosting.

A)speedy development
B)superior adaptability to fluctuating demand
C)control of data location
D)possibly the best disaster preparedness

Answer 2

C

Question 3

Cloud-based hosting is the ideal choice for organizations that are required by law to have physical control over their data.

Answer 3

False

Question 4

When does it not make sense to use cloud-based hosting infrastructure?

Question 5

Which of the following is a characteristic of cloud-based hosting?

A)unknown cost structure
B)full control of data location
C)no obsolescence
D)in-depth visibility of security

Question 6

Which of the following is a benefit of in-house hosting?

A)superior flexibility and adaptability to growing or fluctuating demand
B)lower capital requirements
C)in-depth visibility of security and disaster preparedness
D)fewer training requirements

Question 7

Compared to in-house hosting, cloud-based hosting ________.

A)provides better visibility of security and disaster preparedness capabilities
B)minimizes the risk of investing in technology that will soon become obsolete
C)provides greater control over the location of data
D)requires a significant amount of capital

Question 8

In cloud computing, resources are said to be "pooled" because organizations ________.

A)use the public Internet to create the appearance of a private connection
B)use open source standards that enable users to modify a program's source code
C)offer their services to each other free of charge, in a give-and-take arrangement
D)share the same physical hardware through virtualization

Question 9

Which of the following is defined as the elastic leasing of pooled computer resources over the Internet?

A)broadband
B)wiki
C)the cloud
D)Bluetooth

Question 10

Define the cloud, and discuss its attributes.

Question 11

Which of the following features distinguishes a LAN from a WAN?

A)A LAN connects computers in a single location.
B)A WAN has a limit on the number of users.
C)A WAN has low bandwidth.
D)A LAN has stringent hardware requirements.

Question 12

Which of the following characteristics is a disadvantage of cloud-based hosting?

A)It involves high dependency on vendor.
B)It involves significant requirement of capital.
C)It involves high annual maintenance costs.
D)It involves high ongoing support costs.

Question 13

Cloud resources are ________ because many different organizations use the same physical hardware.

A)elastic
B)pooled
C)programmatic
D)portable

Question 14

The cloud is defined as the elastic leasing of pooled computer resources over the Internet.

Question 15

Which of the following characteristics is a disadvantage of in-house hosting?

A)dependency on vendor
B)loss of control over data location
C)cost uncertainties
D)lack of visibility into security details

Question 16

Which of the following factors makes cloud-based hosting advantageous today?

A)expensive processors
B)expensive data storage
C)advent of virtualization
D)advent of private IP addressing

Question 17

Which of the following is a characteristic of in-house hosting?

A)in-depth visibility of disaster preparedness
B)small capital requirements
C)industry-wide economies of scale
D)known cost structure

Question 18

Identify a characteristic that is a disadvantage of cloud-based hosting.

A)loss of control over data location
B)ongoing support costs
C)increased management requirements
D)significant development effort

Question 19

Explain the relevance of cloud-based hosting today.

Question 20

The term ________ means that the computing resources leased can be increased or decreased dynamically in a short span of time and that organizations pay for just the resources that they use.

A)portable
B)pooled
C)programmatic
D)elastic

Question 21

Which of the following statements is true about cable lines?

A)They provide high-speed data transmission using telephone cables.
B)They offer consistent performance irrespective of the number of users sending and receiving data.
C)They rely on high-capacity optical fiber cables and use their own protocols for data transmission.
D)They provide faster download speeds than DSL modems.

Question 22

Tristom Technologies, based in New York, opens branches in Chicago and Detroit. Which of the following networks will the company use to connect computers in the three offices?

A)WAN
B)LAN
C)URL
D)XML

Question 23

A ________ detects the speed that a given device can handle and communicates with it at that speed.

A)codec
B)modem
C)switch
D)port

Question 24

For communications equipment, k stands for ________.

A)1000
B)1024
C)100
D)1042

Question 25

Which of the following uses sophisticated protocols that enable several devices to use the same frequency?

A)Wireless WAN
B)DSL modem to ISP
C)Cable modem to ISP
D)Wireless LAN

Question 26

A ________ is a set of rules that programs on two communicating devices follow.

A)codec
B)cloud
C)packet
D)protocol

Question 27

Maxwell Insurance recently got its communication network updated to the IEEE 802.11ac protocol. Which of the following is true of this protocol?

A)It is also known as Ethernet.
B)It is used for wired LAN connections.
C)It cannot be processed by access points.
D)It allows speeds of up to 1.3 Gbps.

Question 28

Which of the following statements is true of digital subscriber line signals?

A)Digital subscriber line signals do not interfere with telephone signals.
B)Digital subscriber line signals use the same protocols as cable modems for data transmission.
C)Digital subscriber line signals replace phone signals and are sent to the ISP.
D)Digital subscriber line signal data transmission and telephone conversations cannot occur simultaneously.

Question 29

The ________ protocol standard is also known as Ethernet.

A)Bluetooth
B)IEEE 802.11
C)IEEE 802.3
D)DSL

Question 30

Carol uses a high speed internet connection at home. Her connection is supported by the television line, but it does not interfere with the television signal. Carol uses a(n)________ connection.

A)DSL
B)dial-up
C)cable
D)ADSL

Question 31

Mary's organization recently switched to a faster internet connection, which has a speed of up to 600 Mbps. Her organization uses a ________.

A)Wireless WAN
B)DSL modem to ISP
C)Cable modem to ISP
D)Wireless LAN

Question 32

For communications equipment, M stands for ________.

A)1000
B)1024
C)1000000
D)500

Question 33

With a WAN, an organization is allowed to place communications lines wherever it wants because all lines reside on its premises.

Question 34

________ is a wireless protocol designed for transmitting data over short distances, replacing cables.

A)IPv6
B)PaaS
C)Bluetooth
D)IPv4

Question 35

Which of the following is a function of an Internet service provider?

A)It transmits data over short distances, replacing cables.
B)It serves as a user's gateway to the Internet.
C)It describes how messages must be processed for wired transmission.
D)It connects computers within a LAN.

Question 36

To enable a seamless flow of data across the networks that comprise an internet, an elaborate scheme called a ________ is used.

A)layered protocol
B)virtual private network
C)three-tier system
D)remote access system

Question 37

Zapstreet is a stock broking firm. Its employees use a private network within the organization to communicate with each other regarding stock prices and trading accounts. Zapstreet's network is an example of a(n)________.

A)Ethernet
B)intranet
C)cloud
D)server

Question 38

Which of the following statements is true about IEEE 802.3?

A)It is the protocol for wireless LAN connections.
B)It is the protocol for Bluetooth.
C)It is the protocol for wired LAN connections.
D)It is the universal standard protocol for all WAN connections.

Question 39

A computer network is a collection of computers that communicate with one another over transmission lines or wirelessly.

Question 40

A computer that supports 10/100/1000 Ethernet allows for 10, 100, or 1000 ________ per second.

A)megabytes
B)megabits
C)kilobytes
D)kilobits

Question 41

Which of the following is the most common format for IP addresses?

A)IPv4
B)TCP
C)IPv6
D)http

Question 42

When a person connects to the Internet, he or she is actually connecting to an Internet service provider.

Question 43

A ________ is a worldwide-unique term that is affiliated with a public IP address.

A)URL
B)domain name
C)packet
D)hyperlink

Question 44

Which of the following TCP/IP application-layer protocols is used to move files over the Internet and maintain Web sites?

A)ftp
B)smtp
C)https
D)http

Question 45

Which of the following protocols guarantees secure data transmission?

A)http
B)ftp
C)https
D)smtp

Question 46

The World Wide Web sponsors committees that create and publish protocols and other standards.

Question 47

An intranet is a private internet that is used exclusively within an organization.

Question 48

What is a digital subscriber line (DSL)?

Question 49

The organization responsible for assigning public IP addresses is called ________.

A)CERN
B)IEEE
C)ICANN
D)ISO

Question 50

Wired LAN connections use a protocol standard called Ethernet to communicate.

Question 51

Which of the following TCP/IP application-layer protocols is used for email transmissions?

A)ftp
B)https
C)smtp
D)IP

Question 52

An Internet is a network of networks that connects LANs, WANs, and other internets.

Question 53

Discuss wireless LAN and PAN connections.

Question 54

List the functions of an Internet service provider (ISP).

Question 55

What is a computer network? What are the various types of networks?

Question 56

The committee that addresses LAN standards is called ICANN.

Question 57

Bluetooth is a common wired protocol designed to transmit data over long distances.

Question 58

The protocols used on the Internet are arranged according to a structure known as the ________ protocol architecture.

A)ftp
B)smtp
C)http
D)TCP/IP

Question 59

Because DSL signals interfere with telephone signals, DSL data transmission and telephone conversations cannot occur simultaneously.

Question 60

A(n)________ is a number that identifies a particular device.

A)domain
B)IP address
C)hyperlink
D)WSDL

Question 61

Unlike ftp, http does not have a secure version.

Question 62

smtp is the protocol used between browsers and Web servers.

Question 63

Assignment of both public and private IP addresses is controlled by ICANN.

Question 64

Web servers run on a server-tier computer and manage traffic by sending and receiving Web pages to and from clients.

Question 65

ftp is the protocol used mainly for email transmissions.

Question 66

The ________ tier of the three-tier architecture consists of computers, phones, and other mobile devices that have browsers that request and process Web pages.

A)user
B)server
C)database
D)data link

Question 67

Which of the following refers to the three tiers in the three-tier architecture?

A)TCP, IP, and http
B)html, XML, and JSON
C)user, server, and database
D)tunnel, switch, and access point

Question 68

https is the secure version of http.

Question 69

________ are programs that run on a server-tier computer and manage traffic by sending and receiving Web pages to and from clients.

A)Web servers
B)Web browsers
C)Server farms
D)Server racks

Question 70

Discuss TCP/IP Protocol Architecture, and define Internet protocols.

Question 71

Describe the three-tier architecture for Web applications such as e-commerce.

Question 72

The owner of a domain name can change the affiliated IP addresses at its discretion.

Question 73

TCP/IP protocol architecture is a scheme of protocol types arranged in four layers.

Question 74

A URL consists of a protocol followed by a domain name or public IP address.

Question 75

Vivian wants to book a suite at Baron & Olufsen, a luxury hotel chain in Europe, for her brief stay in Austria. When she visits the Web page, the address bar reads http://www.baron-olufsen.com/. This information is the ________ of the Web page.

A)URL
B)IP address
C)protocol
D)email ID

Question 76

What is an IP address? Describe the advantages of private and public IP addresses.

Question 77

________ contains much metadata that can be used to validate the format and completeness of the document, but includes considerable overhead.

A)WSDL
B)SOAP
C)JSON
D)XML

Question 78

Discuss packets, carriers, peering, and net neutrality.

Question 79

Derek, a Web designer, works for a pharmaceutical company. He uploads information about the company's products on to its official Web site. Which of the following will Derek use to transmit data from the company's server to its Web site?

A)WSDL
B)SOAP
C)JSON
D)XML

Question 80

________ is a standard for describing the services, inputs and outputs, and other data supported by a Web service.

A)WSDL
B)SOAP
C)JSON
D)XML