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BCOR 330 > exam 2 pearson > Flashcards

exam 2 pearson Flashcards

1
Q

which answer best defines what an operating system is

A

a program that controls that computers resources

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2
Q

A realtor would use __________ when she accesses a mobile system to obtain the latest literature on a new house while waiting for the family that she will pitch the house to.

A

just in time data

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3
Q

Which company follows Amazon as the next potential mobile market contender in the future?

A

google

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4
Q

Which of the following applications can be classified as a thin-client application?

A

Excel Web Application

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5
Q

which of the following is a disadvantage of mobile systems at work

A

data loos or damage

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6
Q

Which of the following occurs when a server hosts many versions of desktop operating systems?

A

desktop virtualization

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7
Q

which of the following values can a bit assume

A

one

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8
Q

the source code of open source code _______

A

is available to everyone

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9
Q

_______ refers to users moving their long-running activities across several devices

A

roaming

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10
Q

which of the following is an advantage of mobile systems at work

A

reduced need for training

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11
Q

how does a thin client application run

A

it runs in browsers

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12
Q

an iPad uses which operating system

A

iOS

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13
Q

thin client applications are limited by _________

A

the capabilities of the browser

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14
Q

a ________ is a collection of 1024 megabytes

A

gigabyte

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15
Q

Which company that “does it all” selling real things; leading in supply chain and logistics processes, systems, and facilities; understanding customer service better than its competitors; producing its own television programs, and more is most likely to be the number one mobile market contender in the future?

A

Amazon

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16
Q

In which of the following scenarios would a thin-client application be preferred over a native application

A

A thin-client application will run on any operating system or device

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17
Q

which of the following best describes user experience (UX)

A

refers to the appearance of an application, as well as to the user’s response to it

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18
Q

the capabilities of the browser limit which type of application system

A

thin client application

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19
Q

a megabyte is a collection of 1024 _________

A

kilobytes

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20
Q

Jerry’s team would benefit from which type of mobile system

A

just in time data

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21
Q

which of the following is a disadvantage of mobile systems at work

A

compatibility issues

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22
Q

In which of the following scenarios would a thin-client application be preferred over a thick-client application?

A

In a large organization where it is important that everyone uses the same version of the application

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23
Q

quad processors have _______ CPUs

A

four

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24
Q

Which of the following refers to the appearance of an application, as well as to the user’s response to it?

A

user experience (UX)

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25
Q

Which of the following applications is designed to run within a computer browser such as Firefox or Internet Explorer?

A

thin client applications

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26
Q

A program that controls the computer’s resources is called a(n) __________

A

operating system

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27
Q

a _______ is a collection of thousands of servers

A

server farm

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28
Q

the microsoft surface tablet uses ________ as its operating system

A

windows RT

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29
Q

The data used for this type of service is push data. Which of the following best defines push data

A

data that the server sends to the device

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30
Q

A __________ uncouples programs and data, enabling data to stand on its own.

A

database management system

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31
Q

which of the following is true of reports

A

they can be used to compute vales as they present data

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32
Q

Which of the following is the most likely cause of the client’s disappointment?

A

a lack of user reviews

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33
Q

which of the following best describes the relationship between the “Adviser” and “Student” entities?

A

an N:M relationship

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34
Q

A column or group of columns that identifies a unique row in a table is a __________.

A

key

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35
Q

which of the following best defines metadata

A

describes the structure of a database

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36
Q

Which of the following is an important action you must take to ensure mistakes aren’t made in the development of databases?

A

perform user reviews

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37
Q

What does it mean when programmers say tables are not normalized?

A

the tables have a format that can cause data integrity problems

38
Q

__________ is the process of converting poorly structured tables into two or more well-structured tables.

A

normalization

39
Q

Which of the following is an open source document-oriented DBMS that is used by Craigslist and Foursquare because it does not require normalized data but manages collections of documents that have a variety of structures?

A

mongoDB

40
Q

which of the following is the primary purpose of using a database

A

to keep track of data

41
Q

Which of the following is an advantage of database management systems (DBMS) over traditional file systems?

A

A DBMS uncouples programs and data, enabling data to stand on its own.

42
Q

A __________ is a collection of forms, reports, queries, and programs that process a database.

A

database application

43
Q

Which company utilizes MongoDB because it does not require normalized data but manages collections of documents that have a variety of structures?

A

Craigslist

44
Q

what characteristics of a table that has not been normalized

A

the tables have a format that can cause data integrity problems

45
Q

The purpose of __________ is to structure data into a presentation using sorting, grouping, altering, and other operations.

A

reports

46
Q

in a database, bytes are grouped into _______

A

columns

47
Q

which best describes a primary key

A

a column or group of columns that identifies a unique row in a table

48
Q

A __________ refers to a collection of data organized to serve many applications efficiently by centralizing the data and controlling redundant data.

A

database

49
Q

Which of the following is a request that is executed to retrieve data from a database?

A

query

50
Q

Which of the following gives an accurate description of a data model?

A

It is a logical representation of the data in a database that describes the data and relationships that will be stored in the database.

51
Q

Just as building architects create a blueprint before they start building, so, too, database developers create a __________ before they start designing the database.

A

data model

52
Q

Tables that are not normalized will likely have problems related to __________.

A

data integrity

53
Q

keeping track of data is the primary purpose of a ________

A

database

54
Q

Attributes of an entity-relationship data model are best used to describe __________.

A

the characteristics of entities

55
Q

Which step is NOT required in transforming a data model into a relational database design?

A

normalize each table to have multiple themes

56
Q

A database management system differs from a traditional file system in that a database management system __________.

A

can centralize data

57
Q

which of the following describes the structure of a database

A

metadata

58
Q

which PaaS can AllRoad use

A

MySQL DBMS

59
Q

which SaaS can AllRoad use

A

Microsoft CRM OnLine

60
Q

which of the following SaaS application can AllRoad use

A

google drive

61
Q

which of the following is an example of as SaaS

A

Salesforce.com

62
Q

which of the following best defines a server tier

A

It consists of computers that run Web servers and process application programs.

63
Q

Which of the following is a program that runs on a server-tier computer and manages traffic by sending and receiving Web pages to and from clients?

A

web server

64
Q

Which of the following is not one of the three basic types of networks?

A

intranet

65
Q

In the cloud, pooled resources are shared through which of the following?

A

virualization

66
Q

Which of the following is an application program that runs on a server-tier computer?

A

Commerce server

67
Q

Which of the following services has vendors provide hosted computers, an operating system, and possibly a DBMS?

A

Platform as a service (PaaS)

68
Q

which of the following companies should not use the cloud

A

a company that needs to control data

69
Q

why are cloud resources pooled through virtualization

A

Many organizations use the same physical hardware that they share through virtualization.

70
Q

Which of the following connections operates on the same lines as voice telephones?

A

digital subscriber line (DSL)

71
Q

Which of the following is owned and operated by an organization for its own benefit?

A

private cloud

72
Q

To provide access, organizations set up a __________ and users employ it to securely access the private cloud.

A

VPN

73
Q

Which of the following is a benefit of the cloud as opposed to in-house hosting?

A

Superior flexibility and adaptability to growing or fluctuating demand

74
Q

Which of the following uses the Internet to create the appearance of private, secure connections?

A

VPN

75
Q

Which of the following secures VPN communication messages over a public internet?

A

Encryption

76
Q

Which of the following best describes PaaS (platform as a service)?

A

Provides hosted computers, an operating system, and possibly a DBMS

77
Q

Microsoft Azure and Oracle On Demand are examples of which of the following?

A

PaaS

78
Q

which of the following describes VPN

A

Technology used to provide secure communication over the Internet

79
Q

which of the folowing will not be readily available in 2024

A

Elastic resources at an increased cost

80
Q

which of the following describes encryption

A

Secures VPN communication messages over a public internet

81
Q

The letter “k” is the abbreviation used for which communication speed?

A

1000

82
Q

Which of the following types of Internet addresses is assigned within a LAN?

A

private IP addresses

83
Q

Which of the following protocols is used to move files over the Internet?

A

File Transfer Protocol (FTP)

84
Q

Salesforce.com, iCloud, and Office 365 are examples of which of the following?

A

SaaS

85
Q

which of the following is a disadvantage of the cloud

A

vendor dependence

86
Q

Which of the following connects computers at different geographic locations?

A

Wide area network (WAN)

87
Q

which of the following is a private internet

A

intranet

88
Q

Which of the following consists of computers, phones, and other mobile devices that have browsers that request and process Web pages?

A

user tier

89
Q

A commerce server is an application program that runs on a __________ computer.

A

server tier

90
Q

a digital subscriber line is defined as which of the following

A

Operates on the same lines as voice telephones, but it does not interfere with voice telephone service (DSL)

BCOR 330 (4 decks)

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