Deck 14: Maintaining Information Systems

Question 1

The systems implementation SDLC phase is analogous to the maintenance process of implementing changes.

Answer 1

True

Question 2

Transforming requests into changes is a major maintenance activity.

Answer 2

True

Question 3

Maintenance activities are limited to software changes.

Answer 3

False

Question 4

Corrective maintenance modifies the system to environmental changes.

Question 5

Adaptive maintenance modifies the system to environmental changes.

Question 6

Many similarities exist between the SDLC and the activities within the maintenance process.

Question 7

Today more programmers work on maintenance activities than work on new development.

Question 8

The systems analysis SDLC phase is analogous to the maintenance process of obtaining maintenance requests.

Question 9

Corrective maintenance repairs design and programming errors.

Question 10

Adaptive maintenance evolves the system to solve new problems or take advantage of new opportunities.

Question 11

A significant portion of the expenditures for information systems within organizations goes to the maintenance of existing systems.

Question 12

Obtaining maintenance requests,transforming requests into changes,designing changes and implementing changes are the four major maintenance activities.

Question 13

Implementation is the last phase of the systems development life cycle.

Question 14

Overcoming internal processing errors and providing better support for changing business needs are two reasons why systems are maintained.

Question 15

The planning SDLC phase is analogous to the maintenance process of transforming requests into changes.

Question 16

The decision to either maintain a system or replace it is often an issue of economics.

Question 17

Installation is one of the four major maintenance activities.

Question 18

The systems design SDLC phase is analogous to the maintenance process of designing changes.

Question 19

One way to distinguish maintenance from new development is that maintenance reuses most existing system modules in producing the new system version.

Question 20

The maintenance phase's primary deliverables are finalized design specifications.

Question 21

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.

Question 22

Corrective maintenance focuses on removing defects from an existing system without adding new functionality.

Question 23

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.

Question 24

Preventive maintenance repairs design and programming errors.

Question 25

Adaptive maintenance accounts for as much as 75 percent of all maintenance activity.

Question 26

Both perfective and preventive maintenance typically have a much higher priority than corrective maintenance.

Question 27

Preventive maintenance safeguards a system from future problems.

Question 28

Transitive defects are the number of unknown errors existing in the system after it is installed.

Question 29

The quality of system documentation influences maintenance costs.

Question 30

Separate,combined,and functional are types of maintenance organizational structures.

Question 31

Adaptive maintenance is a significant part of an organization's maintenance effort.

Question 32

The number of customers for a given system influences most of the costs associated with maintaining a system.

Question 33

An advantage of the combined maintenance organizational structure is the formal transfer of systems between groups improving the system and documentation quality.

Question 34

It is now common to rotate individuals in and out of maintenance activities.

Question 35

Mean time between failures is a measurement of error occurrences that can be tracked over time to indicate the quality of a system.

Question 36

Management support is one of the major cost elements of maintenance.

Question 37

The number of customers for a given system influences maintenance costs.

Question 38

Perfective maintenance evolves the system to solve new problems or take advantage of new opportunities.

Question 39

Software structure is a cost element of maintenance.

Question 40

The number of latent defects in a system influences most of the costs associated with maintaining a system.

Question 41

Locking out the use of pages in a portion of a Web site 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.

Question 42

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

Question 43

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

Question 44

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.

Question 45

Changes to a system are usually implemented in batches.

Question 46

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

Question 47

Build routines are software modules that have been tested,documented,and approved to be included in the most recently created version of a system.

Question 48

Once an information system is installed,it is essentially in the:

A)implementation phase
B)redesign phase
C)maintenance phase
D)system renewal phase

Question 49

Baseline routines are guidelines that list the instructions to construct an executable system from the baseline source code.

Question 50

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

Question 51

Managing maintenance requests is a maintenance activity.

Question 52

Reverse engineering and reengineering tools are primarily used to maintain older systems that have incomplete documentation or that were developed prior to CASE use.

Question 53

Configuration management is the process of ensuring that only authorized changes are made to a system.

Question 54

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

Question 55

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

Question 56

The largest systems development expenditure for many organizations is:

A)systems maintenance
B)project planning
C)implementation
D)requirements structuring

Question 57

The last phase of the systems development life cycle is:

A)operation
B)implementation
C)maintenance
D)analysis

Question 58

The queue of maintenance tasks is dynamic.

Question 59

Over time,the MTBF should rapidly decrease after a few months of system use.

Question 60

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

Question 61

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

Question 62

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.

Question 63

Which of the following typically is assigned the highest priority?

A)preventive maintenance
B)perfective maintenance
C)corrective maintenance
D)adaptive maintenance

Question 64

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

Question 65

The ease with which software can be understood,corrected,adapted,and enhanced best describes:

A)maintenance
B)maintainability
C)adaptability
D)comfort level

Question 66

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

Question 67

Which of the following is not a cost element of maintenance?

A)defects
B)documentation
C)personnel
D)time

Question 68

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.

Question 69

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

Question 70

Changes made to a system to avoid possible future problems best describes:

A)corrective maintenance
B)adaptive maintenance
C)preventive maintenance
D)perfective maintenance

Question 71

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

Question 72

Which of the following maintenance cost elements is the most significant?

A)tools
B)software structure
C)personnel
D)customers

Question 73

Which of the following is a type of maintenance?

A)preventive
B)perfective
C)corrective
D)all of the above

Question 74

All of the following are types of maintenance except:

A)supportive maintenance
B)corrective maintenance
C)adaptive maintenance
D)perfective maintenance

Question 75

Which of the following are cost elements of maintenance?

A)defects
B)documentation
C)personnel
D)all of the above

Question 76

Modifying a system to reflect environmental changes describes:

A)corrective maintenance
B)adaptive maintenance
C)preventive maintenance
D)perfective maintenance

Question 77

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

Question 78

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

Question 79

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

Question 80

Changes made to a system to fix or enhance its functionality best defines:

A)maintenance
B)support
C)repair
D)installation