Deck 6: The Cloud

Question 1

Which of the following is an example of PaaS?

A) Apple iCloud
B) Amazon S3
C) Microsoft Azure
D) Office 365
E) Skype

Answer 1

C

Question 2

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
E) no obsolescence

Answer 2

C

Question 3

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
E) static storage capacity

Answer 3

C

Question 4

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
E) significant capital required

Question 5

Layla runs a startup that makes custom engraved floor tiles. Her business is growing rapidly and she needs a cloud vendor to provide her with an operating system and a database management system. In this scenario, which of the following services will the vendor provide?

A) CDN
B) PaaS
C) IaaS
D) VPN
E) Web hosting

Question 6

Which of the following is an example of PaaS, a category of cloud hosting?

A) Microsoft Office 365
B) Microsoft Azure
C) iCloud
D) Amazon S3
E) Skype

Question 7

Define the cloud, and discuss its attributes.

Question 8

Which of the following is an example of SaaS?

A) iCloud
B) Microsoft Azure
C) Oracle On Demand
D) Amazon S3
E) Google App Engine

Question 9

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
E) requires significant development effort

Question 10

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
E) share the same physical address range

Question 11

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

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

Question 12

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
E) SSD

Question 13

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
E) incremental

Question 14

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

Question 15

Explain the relevance of cloud-based hosting today.

Question 16

________ are large-scale high-speed centralized computers, used for internal corporate data processing needs.

A) mainframes
B) thin clients
C) hosts
D) clients
E) NAS

Question 17

Which of the following is the most basic cloud offering?

A) SaaS
B) CDN
C) IaaS
D) VPN
E) SAS

Question 18

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.
E) It involves high cost uncertainties.

Question 19

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

Question 20

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

Question 21

Amazon S3 is an example of ________.

A) CDN
B) PaaS
C) IaaS
D) VPN
E) SaaS

Question 22

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

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

Question 23

________ is a category of cloud hosting where vendors provide a bare server computer, data storage, network, and virtualization.

A) SaaS
B) PaaS
C) IaaS
D) BaaS
E) TaaS

Question 24

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
E) virtual LAN

Question 25

________ is a category of cloud hosting where vendors provide hosted computers with an operating system, runtime environment, and middleware like a Web server or a DBMS.

A) SaaS
B) PaaS
C) IaaS
D) BaaS
E) TaaS

Question 26

An organization that provides software as a service provides not only hardware infrastructure and an operating system but application programs and databases as well.

Question 27

________ is a category of cloud hosting where vendors provide not only hardware infrastructure and an operating system but application programs and databases as well.

A) SaaS
B) PaaS
C) IaaS
D) BaaS
E) TaaS

Question 28

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

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

Question 29

For communications equipment, K stands for ________.

A) 1,000
B) 1,024
C) 100
D) 1,042
E) 10,000

Question 30

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
E) HTML

Question 31

What are content delivery networks? Discuss some of its uses.

Question 32

The ________ protocol standard is also known as Ethernet.

A) Bluetooth
B) IEEE 802.11
C) IEEE 802.3
D) DSL
E) X25

Question 33

The most basic cloud offering is infrastructure as a service (IaaS) that is the cloud hosting of a bare server computer or data storage.

Question 34

Zapstreet is a stock brokering 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
E) WLAN

Question 35

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.
E) It defines high-speed infrared connections.

Question 36

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
E) processor

Question 37

Which of the following is an example of IaaS?

A) Apple iCloud
B) Microsoft Azure
C) Office 365
D) Amazon S3
E) Salesforce.com

Question 38

Define SaaS, PaaS, and IaaS. Provide an example of each.

Question 39

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.
E) A LAN is bigger than a WAN.

Question 40

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.
E) It is the protocol for optical fiber rings.

Question 41

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.
E) It converts analog signals to binary signals.

Question 42

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

Question 43

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

Question 44

The committee that addresses LAN standards is called IEEE 802 Committee.

Question 45

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

Question 46

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

Question 47

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

Question 48

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

A) IPv6
B) PaaS
C) Bluetooth
D) IPv4
E) 802.5

Question 49

Discuss wireless LAN and PAN connections.

Question 50

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.
E) Digital subscriber lines use single-mode optical fiber only.

Question 51

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

Question 52

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

Question 53

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

Question 54

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
E) satellite

Question 55

For communications equipment, M stands for ________.

A) 1,000
B) 1,024
C) 1,000,000
D) 500
E) 15,000

Question 56

Bluetooth is a common wireless protocol used to make PAN connections.

Question 57

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

Question 58

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.
E) They provide faster download speeds than OC128 lines.

Question 59

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

Question 60

What is a digital subscriber line (DSL)?

Question 61

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
E) rdp

Question 62

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

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

Question 63

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
E) mainframe

Question 64

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

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

Question 65

Compare the movement of packages in the U.S. postal system to the movement of packets through the Internet.

Question 66

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

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

Question 67

________ 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
E) VPNs

Question 68

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

Question 69

The ________ is a core Internet protocol that guarantees the reliable delivery of packets.

A) FTP
B) HTML
C) IP
D) UDP
E) TCP

Question 70

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
E) telnet

Question 71

A ________ is a formatted message that passes through networks.

A) codec
B) protocol
C) package
D) packet
E) SLACC

Question 72

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

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

Question 73

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

Question 74

Which of the following protocols guarantees secure data transmission?

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

Question 75

Large carriers like Sprint, AT&T, and XO Communications exchange Internet traffic freely at physical locations called ________.

A) Internet hubs
B) Internet exchange points
C) Internet cross points
D) Internet way points
E) Internet processing points

Question 76

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

Question 77

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

Question 78

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
E) IP, IPv4, and IPv6

Question 79

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
E) MAC address

Question 80

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

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