Quiz 14: Maintaining Information Systems
Computing
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Q 2Q 2
Overcoming internal processing errors and providing better support for changing business needs are two reasons why systems are maintained.
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Q 8Q 8
Obtaining maintenance requests,transforming requests into changes,designing changes and implementing changes are the four major maintenance activities.
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Q 10Q 10
The planning SDLC phase is analogous to the maintenance process of transforming requests into changes.
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Q 11Q 11
The systems analysis SDLC phase is analogous to the maintenance process of obtaining maintenance requests.
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Q 13Q 13
The systems implementation SDLC phase is analogous to the maintenance process of implementing changes.
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Q 15Q 15
One way to distinguish maintenance from new development is that maintenance reuses most existing system modules in producing the new system version.
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Q 16Q 16
A significant portion of the expenditures for information systems within organizations goes to the maintenance of existing systems.
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Q 20Q 20
Adaptive maintenance evolves the system to solve new problems or take advantage of new opportunities.
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Q 21Q 21
Perfective maintenance evolves the system to solve new problems or take advantage of new opportunities.
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Q 25Q 25
Corrective maintenance focuses on removing defects from an existing system without adding new functionality.
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Q 27Q 27
Both perfective and preventive maintenance typically have a much higher priority than corrective maintenance.
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Q 28Q 28
The number of customers for a given system influences most of the costs associated with maintaining a system.
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Q 29Q 29
Transitive defects are the number of unknown errors existing in the system after it is installed.
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Q 30Q 30
The number of latent defects in a system influences most of the costs associated with maintaining a system.
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Q 36Q 36
An advantage of the combined maintenance organizational structure is the formal transfer of systems between groups improving the system and documentation quality.
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Q 37Q 37
A disadvantage associated with the separate maintenance organizational structure is that documentation and testing thoroughness suffers due to a lack of a formal transfer of responsibility.
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Q 38Q 38
An advantage to the functional maintenance organizational structure is that the maintenance group knows or has access to all assumptions and decisions behind the system's original design.
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Q 40Q 40
Mean time between failures is a measurement of error occurrences that can be tracked over time to indicate the quality of a system.
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Q 45Q 45
Configuration management is the process of ensuring that only authorized changes are made to a system.
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Q 46Q 46
Build routines are software modules that have been tested,documented,and approved to be included in the most recently created version of a system.
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Q 47Q 47
Baseline routines are guidelines that list the instructions to construct an executable system from the baseline source code.
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Q 48Q 48
A primary objective of using CASE and other automated tools for systems development and maintenance is to change radically how code and documentation are modified and updated.
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Q 49Q 49
Reverse engineering and reengineering tools are primarily used to maintain older systems that have incomplete documentation or that were developed prior to CASE use.
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Q 50Q 50
Locking out the use of pages in a portion of a Website can be done by inserting a "Temporary Out of Service" notice on the main page of the section being maintained and disabling all links within that segment.
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Q 51Q 51
The largest systems development expenditure for many organizations is:
A)systems maintenance
B)project planning
C)implementation
D)requirements structuring
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Multiple Choice
Q 52Q 52
Once an information system is installed,it is essentially in the:
A)implementation phase
B)redesign phase
C)maintenance phase
D)system renewal phase
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Multiple Choice
Q 53Q 53
The last phase of the systems development life cycle is:
A)operation
B)implementation
C)maintenance
D)analysis
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Q 54Q 54
Which of the following is a major activity that occurs during maintenance?
A)coding
B)transforming requests into changes
C)conversion
D)training and supporting users
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Multiple Choice
Q 55Q 55
All of the following are major activities that occur during maintenance except:
A)transforming requests into changes
B)designing changes
C)implementing changes
D)structuring requirements
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Q 56Q 56
Which of the following is a major activity occurring during maintenance?
A)obtaining maintenance requests
B)transforming requests into changes
C)designing changes
D)all of the above
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Q 57Q 57
An SSR or similar document can be used to:
A)request new development
B)report problems
C)request new system features with an existing system
D)all of the above
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Q 58Q 58
The first phase of the SDLC,planning,is analogous to the maintenance process of:
A)obtaining maintenance requests
B)transforming requests into changes
C)designing changes
D)implementing changes
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Q 59Q 59
The SDLC phase of analysis is analogous to the maintenance process of:
A)obtaining maintenance requests
B)transforming requests into a specific system change
C)designing changes
D)implementing changes
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Q 60Q 60
The SDLC design phase is analogous to the maintenance process of:
A)obtaining maintenance requests
B)transforming requests into changes
C)designing changes
D)implementing changes
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Multiple Choice
Q 61Q 61
The SDLC phase of implementation is analogous to the maintenance process of:
A)obtaining maintenance requests
B)transforming requests into changes
C)designing changes
D)implementing changes
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Multiple Choice
Q 62Q 62
Which of the following best identifies the deliverables for the maintenance phase?
A)The creation of a document that will consolidate the information that must be considered when implementing a physical distributed systems design.
B)The development of a new version of the software and new versions of all design documents that were developed or modified during the maintenance process.
C)Structured descriptions and diagrams that outline the logic contained within each DFD process.
D)Documentation,a user training plan,user training modules,and a user support plan.
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Multiple Choice
Q 63Q 63
Which of the following types of maintenance accounts for as much as 75 percent of all maintenance activity?
A)preventive maintenance
B)corrective maintenance
C)adaptive maintenance
D)perfective maintenance
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Q 64Q 64
Changes made to a system to fix or enhance its functionality best defines:
A)maintenance
B)support
C)repair
D)installation
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Q 65Q 65
Changes made to a system to repair flaws in its design,coding,or implementation describes:
A)corrective maintenance
B)adaptive maintenance
C)preventive maintenance
D)perfective maintenance
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Q 66Q 66
Which of the following is a type of maintenance?
A)preventive
B)perfective
C)corrective
D)all of the above
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Q 67Q 67
All of the following are types of maintenance except:
A)supportive maintenance
B)corrective maintenance
C)adaptive maintenance
D)perfective maintenance
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Q 68Q 68
Modifying a system to reflect environmental changes describes:
A)corrective maintenance
B)adaptive maintenance
C)preventive maintenance
D)perfective maintenance
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Q 69Q 69
Evolving the system to solve new problems or take advantage of new opportunities describes:
A)corrective maintenance
B)adaptive maintenance
C)preventive maintenance
D)perfective maintenance
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Q 70Q 70
Changes made to a system to evolve its functionality to changing business needs or technologies best describes:
A)corrective maintenance
B)adaptive maintenance
C)preventive maintenance
D)perfective maintenance
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Multiple Choice
Q 71Q 71
Changes made to a system to add new features or to improve performance best describes:
A)corrective maintenance
B)adaptive maintenance
C)preventive maintenance
D)perfective maintenance
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Multiple Choice
Q 72Q 72
Which of the following typically is assigned the highest priority?
A)preventive maintenance
B)perfective maintenance
C)corrective maintenance
D)adaptive maintenance
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Q 73Q 73
Changes made to a system to avoid possible future problems best describes:
A)corrective maintenance
B)adaptive maintenance
C)preventive maintenance
D)perfective maintenance
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Multiple Choice
Q 74Q 74
Which of the following is felt by many systems professionals to be new development,not maintenance?
A)perfective maintenance
B)preventive maintenance
C)adaptive maintenance
D)corrective maintenance
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Q 75Q 75
Which of the following is a true statement?
A)According to Pressman 2001 and Kaplan 2002,some organizations are spending as much as 10 - 20 percent of their software budget on maintenance.
B)According to Pressman 2001 and Kaplan 2002,some organizations are spending as much as 30 - 40 percent of their software budget on maintenance.
C)According to Pressman 2001 and Kaplan 2002,some organizations are spending as much as 50 - 60 percent of their software budget on maintenance.
D)According to Kaplan 2002,some organizations are spending as much as 60 - 80 percent of their software budget on maintenance.
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Multiple Choice
Q 76Q 76
Which of the following maintenance cost elements is the most significant?
A)tools
B)software structure
C)personnel
D)customers
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Q 77Q 77
Which of the following influences most of the costs associated with maintaining a system?
A)personnel
B)documentation quality
C)number of latent defects
D)number of customers
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Multiple Choice
Q 78Q 78
The ease with which software can be understood,corrected,adapted,and enhanced best describes:
A)maintenance
B)maintainability
C)adaptability
D)comfort level
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Q 79Q 79
Which of the following is not a cost element of maintenance?
A)defects
B)documentation
C)personnel
D)time
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Q 80Q 80
Which of the following are cost elements of maintenance?
A)defects
B)documentation
C)personnel
D)all of the above
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Q 81Q 81
According to research mentioned in the textbook:
A)on average,25 percent of a company's programmers are assigned to maintain existing software
B)on average,less than 10 percent of a company's programmers are assigned to maintain existing software
C)on average,37 percent of a company's programmers are assigned to maintain existing software
D)on average,52 percent of a company's programmers are assigned to maintain existing software
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Q 82Q 82
Which of the following is not a maintenance organizational structure?
A)separate
B)combined
C)vertical
D)functional
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Q 83Q 83
Which of the following maintenance organizational structures has as its advantage the formal transfer of systems between groups improves the system and documentation quality?
A)separate
B)combined
C)functional
D)none of the above
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Multiple Choice
Q 84Q 84
The lack of thoroughness in documentation and testing caused by the absence of a formal transfer of responsibility is a disadvantage of:
A)the separate maintenance organizational structure
B)the combined maintenance organizational structure
C)the functional maintenance organizational structure
D)none of the above
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Q 85Q 85
The maintenance group knowing or having access to all assumptions and decisions behind the system's original design is an advantage of:
A)the separate maintenance organizational structure
B)the combined maintenance organizational structure
C)the functional maintenance organizational structure
D)all of the maintenance organizational structures
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Q 86Q 86
All things not being documented,so the maintenance group may not know critical information about the system is a disadvantage of:
A)the separate maintenance organizational structure
B)the combined maintenance organizational structure
C)the functional maintenance organizational structure
D)all of the maintenance organizational structures
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Q 87Q 87
Personnel having limited job mobility and lacking access to adequate human and technical resources is a disadvantage of:
A)the separate maintenance organizational structure
B)the combined maintenance organizational structure
C)the functional maintenance organizational structure
D)all of the maintenance organizational structures
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Q 88Q 88
Effective management of systems maintenance requires:
A)managing maintenance personnel
B)measuring maintenance effectiveness
C)controlling maintenance requests
D)doing all of the above
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Q 89Q 89
Which of the following is a true statement?
A)Many systems professionals do not want to perform maintenance because they feel that it is more exciting to build something new rather than change an existing system.
B)Organizations have historically provided greater rewards and job opportunities to those performing new development.
C)It is now common to rotate individuals in and out of maintenance activities.
D)All of the above are true statements.
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Q 90Q 90
To measure maintenance effectiveness,you should measure:
A)the number of failures
B)the time between each failure
C)the type of failure
D)all of the above
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Q 91Q 91
A measurement of error occurrences that can be tracked over time to indicate the quality of a system best defines:
A)consistency ratio
B)mean time between failures
C)error tracking
D)regression analysis
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Q 92Q 92
Which of the following is a more revealing method of measurement?
A)number of failures
B)time between each failure
C)type of failure
D)none of the above
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Q 93Q 93
The process of assuring that only authorized changes are made to a system defines:
A)configuration management
B)consistency management
C)quality management
D)business process reengineering
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Q 94Q 94
Software modules that have been tested,documented,and approved to be included in the most recently created version of a system are called:
A)pretested modules
B)baseline modules
C)quality assurance modules
D)none of the above
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Q 95Q 95
The person responsible for controlling the checking out and checking in of baseline modules for a system that is being developed or maintained is the:
A)code agent
B)systems operator
C)system librarian
D)catalog agent
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Q 96Q 96
Guidelines that list the instructions to construct an executable system from the baseline source code are called:
A)build routines
B)base routines
C)construction routines
D)reference routines
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Q 97Q 97
Which of the following configuration management tools stores only the most recent version of a module,with previous versions being reconstructed when needed by applying changes in reverse order?
A)source code control
B)version control
C)integrity control
D)revision control
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Q 98Q 98
Which of the following configuration management tools addresses interrelated files?
A)source code control
B)version control
C)integrity control
D)revision control
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Q 99Q 99
Which of the following is a true statement regarding the role of CASE in maintenance?
A)A primary objective of using CASE for systems development and maintenance is to change radically the way in which code and documentation are modified and updated.
B)When using an integrated CASE environment,analysts maintain design documents and source code.
C)Although CASE is very beneficial during the first part of the SDLC,it is not as advantageous during maintenance.
D)all of the above
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Multiple Choice
Q 100Q 100
When performing Website maintenance,issues and procedures include each of the following except:
A)checking for broken links
B)HTML validation
C)re-registration
D)stability
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Q 101Q 101
__________,__________,__________,and __________ are the four major maintenance activities.
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Q 107Q 107
__________ refers to changes made to a system to evolve its functionality to changing business needs or technologies.
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Q 109Q 109
__________ refers to changes made to a system to add new features or to improve performance.
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Q 110Q 110
__________ refers to changes made to a system to repair flaws in its design,coding,or implementation.
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Q 111Q 111
__________ is the ease with which software can be understood,corrected,adapted,and enhanced.
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Q 112Q 112
The formal transfer of systems between groups improving the system and documentation quality is an advantage associated with the __________ maintenance organizational structure.
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Q 113Q 113
The maintenance group knowing or having access to all assumptions and decisions behind the system's original design is an advantage associated with the __________ maintenance organizational structure.
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Q 114Q 114
Personnel having a vested interest in effectively maintaining the system and having a better understanding of functional requirements is an advantage associated with the __________ maintenance organizational structure.
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Q 115Q 115
Documentation and testing thoroughness may suffer due to a lack of a formal transfer of responsibility is a disadvantage associated with the __________ maintenance organizational structure.
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Q 116Q 116
__________,__________,and __________ are three factors for measuring maintenance effectiveness.
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Q 117Q 117
__________ is a measurement of error occurrences that can be tracked over time to indicate the quality of a system.
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Q 119Q 119
__________ are software modules that have been tested,documented,and approved to be included in the most recently created version of a system.
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Q 120Q 120
A __________ is the person responsible for controlling the checking out and checking in of baseline modules when a system is being developed or maintained.
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Q 121Q 121
__________ are guidelines that list the instructions to construct an executable system from the baseline source code.
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Q 122Q 122
__________ and __________ are two special-purpose tools that are primarily used to maintain older systems that have incomplete documentation or that were developed prior to CASE use.
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Q 123Q 123
__________ are special software systems that manage system configuration and version control activities.
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Q 125Q 125
When maintaining Websites,__________,__________,__________,__________,and __________ are issues and procedures to consider.
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Q 126Q 126
Match each of the following terms with its corresponding definition.
a.adaptive maintenance
b.baseline modules
c.build routines
d.configuration management
e.corrective maintenance
f.maintainability
g.maintenance
h.mean time between failures
i.perfective maintenance
j.preventive maintenance
k.system librarian
-A measurement of error occurrences that can be tracked over time to indicate the quality of a system.
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Q 127Q 127
Match each of the following terms with its corresponding definition.
a.adaptive maintenance
b.baseline modules
c.build routines
d.configuration management
e.corrective maintenance
f.maintainability
g.maintenance
h.mean time between failures
i.perfective maintenance
j.preventive maintenance
k.system librarian
-Changes made to a system to evolve its functionality to changing business needs or technologies.
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Q 128Q 128
Match each of the following terms with its corresponding definition.
a.adaptive maintenance
b.baseline modules
c.build routines
d.configuration management
e.corrective maintenance
f.maintainability
g.maintenance
h.mean time between failures
i.perfective maintenance
j.preventive maintenance
k.system librarian
-A person responsible for controlling the checking out and checking in of baseline modules for a system that is being developed or maintained.
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Q 129Q 129
Match each of the following terms with its corresponding definition.
a.adaptive maintenance
b.baseline modules
c.build routines
d.configuration management
e.corrective maintenance
f.maintainability
g.maintenance
h.mean time between failures
i.perfective maintenance
j.preventive maintenance
k.system librarian
-The ease with which software can be understood,corrected,adapted,and enhanced.
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Q 130Q 130
Match each of the following terms with its corresponding definition.
a.adaptive maintenance
b.baseline modules
c.build routines
d.configuration management
e.corrective maintenance
f.maintainability
g.maintenance
h.mean time between failures
i.perfective maintenance
j.preventive maintenance
k.system librarian
-Changes made to a system to add new features or to improve performance.
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Q 131Q 131
Match each of the following terms with its corresponding definition.
a.adaptive maintenance
b.baseline modules
c.build routines
d.configuration management
e.corrective maintenance
f.maintainability
g.maintenance
h.mean time between failures
i.perfective maintenance
j.preventive maintenance
k.system librarian
-The process of assuring that only authorized changes are made to a system.
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Q 132Q 132
Match each of the following terms with its corresponding definition.
a.adaptive maintenance
b.baseline modules
c.build routines
d.configuration management
e.corrective maintenance
f.maintainability
g.maintenance
h.mean time between failures
i.perfective maintenance
j.preventive maintenance
k.system librarian
-Changes made to a system to fix or enhance its functionality.
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Q 133Q 133
Match each of the following terms with its corresponding definition.
a.adaptive maintenance
b.baseline modules
c.build routines
d.configuration management
e.corrective maintenance
f.maintainability
g.maintenance
h.mean time between failures
i.perfective maintenance
j.preventive maintenance
k.system librarian
-Software modules that have been tested,documented,and approved to be included in the most recently created version of a system.
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Q 134Q 134
Match each of the following terms with its corresponding definition.
a.adaptive maintenance
b.baseline modules
c.build routines
d.configuration management
e.corrective maintenance
f.maintainability
g.maintenance
h.mean time between failures
i.perfective maintenance
j.preventive maintenance
k.system librarian
-Changes made to a system to repair flaws in its design,coding,or implementation.
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Q 135Q 135
Match each of the following terms with its corresponding definition.
a.adaptive maintenance
b.baseline modules
c.build routines
d.configuration management
e.corrective maintenance
f.maintainability
g.maintenance
h.mean time between failures
i.perfective maintenance
j.preventive maintenance
k.system librarian
-Guidelines that list the instructions to construct an executable system from the baseline source code.
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Q 136Q 136
Match each of the following terms with its corresponding definition.
a.adaptive maintenance
b.baseline modules
c.build routines
d.configuration management
e.corrective maintenance
f.maintainability
g.maintenance
h.mean time between failures
i.perfective maintenance
j.preventive maintenance
k.system librarian
-Changes made to a system to avoid possible future problems.
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Q 137Q 137
Match each of the following maintenance organizational structures to corresponding descriptions.(Answers may occur more than once.)
a.combined
b.functional
c.separate
-An advantage is that the formal transfer of systems between groups improves the system and documentation quality.
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Q 138Q 138
Match each of the following maintenance organizational structures to corresponding descriptions.(Answers may occur more than once.)
a.combined
b.functional
c.separate
-A disadvantage is that the personnel may have limited job mobility and lack access to adequate human and technical resources.
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Q 139Q 139
Match each of the following maintenance organizational structures to corresponding descriptions.(Answers may occur more than once.)
a.combined
b.functional
c.separate
-A disadvantage is that all things cannot be documented,so the maintenance group may not know critical information about the system.
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Q 140Q 140
Match each of the following maintenance organizational structures to corresponding descriptions.(Answers may occur more than once.)
a.combined
b.functional
c.separate
-An advantage is that the maintenance group knows or has access to all assumptions and decisions behind the system's original design.
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Q 141Q 141
Match each of the following maintenance organizational structures to corresponding descriptions.(Answers may occur more than once.)
a.combined
b.functional
c.separate
-A disadvantage is that the documentation and testing thoroughness may suffer due to a lack of a formal transfer of responsibility.
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Q 142Q 142
Match each of the following maintenance organizational structures to corresponding descriptions.(Answers may occur more than once.)
a.combined
b.functional
c.separate
-An advantage is that the personnel have a vested interest in effectively maintaining the system and have a better understanding of functional requirements.
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Q 143Q 143
Match each of the following types of maintenance to its corresponding "home" example.
a.corrective
b.adaptive
c.perfective
d.preventive
-Adding storm windows to improve the cooling performance of an air conditioner.
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Q 144Q 144
Match each of the following types of maintenance to its corresponding "home" example.
a.corrective
b.adaptive
c.perfective
d.preventive
-Adding a new room on your house.
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Q 145Q 145
Match each of the following types of maintenance to its corresponding "home" example.
a.corrective
b.adaptive
c.perfective
d.preventive
-Painting the exterior to protect your home from severe weather conditions.
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Q 146Q 146
Match each of the following types of maintenance to its corresponding "home" example.
a.corrective
b.adaptive
c.perfective
d.preventive
-Repairs made to things that never worked according to the design specifications of your new home.
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Q 147Q 147
Match each of the following maintenance organizational structures to its advantage.
a.functional
b.separate
c.combined
-An advantage is that the maintenance group knows or has access to all assumptions and decisions behind the system's original design.
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Q 148Q 148
Match each of the following maintenance organizational structures to its advantage.
a.functional
b.separate
c.combined
-An advantage is that the personnel have a vested interest in effectively maintaining the system and have a better understanding of functional requirements.
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Q 149Q 149
Match each of the following maintenance organizational structures to its advantage.
a.functional
b.separate
c.combined
-An advantage is that the formal transfer of systems between groups improves the system and documentation quality.
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Q 152Q 152
What is maintainability? Identify several factors that influence the maintainability of a system.
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