Software Maintenance and Evolution: Master the Art of Software Upkeep

Question 1

Which technique is specifically designed to identify and mitigate the consequences of software modifications?

Accepted Answer

Impact analysis

Answer

Regression testing

Answer

Static analysis

Answer

Version control

Question 2

What is the fundamental objective of software refactoring?

Accepted Answer

Enhancement of software quality

Answer

Addition of new functionalities

Answer

Elimination of software defects

Answer

Minimization of software maintenance expenses

Question 3

In the context of software evolution, which principle does NOT align with agile software development?

Accepted Answer

Predictive planning

Answer

Continuous integration

Answer

Automated testing

Answer

Frequent software releases

Question 4

What is the central goal of corrective software maintenance?

Accepted Answer

Defect rectification

Answer

Addition of new features

Answer

Software performance improvement

Answer

Software documentation updates

Question 5

Which technique is primarily used to identify and resolve performance issues within software systems?

Accepted Answer

Profiling

Answer

Code review

Answer

Unit testing

Answer

Benchmarking

Question 6

Which of the following is a potential drawback of using a structured maintenance process model in software engineering?

Accepted Answer

Increased software development complexity

Answer

Enhanced software quality

Answer

Increased maintenance effectiveness

Answer

Reduced maintenance expenses

Question 7

Which technique is utilized for re-engineering legacy software systems?

Accepted Answer

Reverse engineering

Answer

Forward engineering

Answer

Refactoring

Answer

Data migration

Question 8

What is the key distinction between corrective maintenance and perfective maintenance?

Accepted Answer

Corrective maintenance rectifies defects, while perfective maintenance enhances functionality

Answer

Perfective maintenance rectifies defects, while corrective maintenance enhances functionality

Answer

Corrective maintenance is more complex than perfective maintenance

Answer

Perfective maintenance is more complex than corrective maintenance

Question 9

What is the primary purpose of version control in software maintenance?

Accepted Answer

Track changes to software files over time

Answer

Allow multiple developers to work on the same software project

Answer

Prevent unauthorized access to software files

Answer

Backup software files in case of data loss

Question 10

What is the main objective of regression testing in software maintenance?

Accepted Answer

Ensure that modifications have not introduced new defects

Answer

Verify that the software still meets its original requirements

Answer

Identify potential issues before releasing software to production

Answer

Test the software's performance under various load conditions

Question 11

Which of the following best describes the primary responsibility of a Software Maintenance Engineer?

Accepted Answer

Perform maintenance tasks on software systems

Answer

Design and implement new software systems

Answer

Manage software development projects

Answer

Conduct performance testing on software systems

Question 12

Which phase is NOT part of the typical Software Maintenance Life Cycle (SMLC)?

Accepted Answer

Software Design

Answer

Maintenance Request

Answer

Maintenance Analysis

Answer

Maintenance Closure

Question 13

Which software maintenance model involves making changes to software only when issues arise?

Accepted Answer

Corrective Maintenance

Answer

Adaptive Maintenance

Answer

Preventive Maintenance

Answer

Perfective Maintenance

Question 14

What is the primary objective of change management in software engineering?

Accepted Answer

Ensuring proper documentation and tracking of software changes

Answer

Minimizing the likelihood of errors during maintenance

Answer

Automating the process of implementing software changes

Answer

Enhancing communication between development and maintenance teams

Question 15

Which technique is not employed in software re-engineering?

Accepted Answer

Forward engineering

Answer

Reverse engineering

Answer

Refactoring

Answer

Restructuring

Question 16

Which of the following is not a challenge encountered in software maintenance?

Accepted Answer

Abundant resources

Answer

Evolving requirements

Answer

Insufficient documentation

Answer

Inadequate testing

Question 17

What is the primary purpose of refactoring in software maintenance?

Accepted Answer

Enhancing code design and structure without altering functionality

Answer

Resolving bugs and errors in the code

Answer

Implementing new software features

Answer

Reducing code complexity

Question 18

What is the fundamental distinction between adaptive and corrective maintenance?

Accepted Answer

Adaptive maintenance focuses on new feature additions, corrective maintenance on bug fixes

Answer

Adaptive maintenance is planned, corrective maintenance is unplanned

Answer

Adaptive maintenance is temporary, corrective maintenance is permanent

Answer

Adaptive maintenance is less significant than corrective maintenance

Question 19

Which tool is commonly used for reverse engineering software programs?

Accepted Answer

Decompilers

Answer

Profilers

Answer

Debuggers

Answer

Version control systems

Question 20

Which of the following is a potential advantage of using a reactive maintenance model?

Accepted Answer

Lower initial maintenance costs

Answer

Improved system reliability and uptime

Answer

Reduced risk of introducing new defects

Answer

Enhanced user experience and satisfaction

Question 21

Which of the following tools is commonly used for performing static analysis on software code?

Accepted Answer

SonarQube

Answer

JProfiler

Answer

Apache JMeter

Answer

Wireshark

Question 22

Which of the following is a key objective of code refactoring in software maintenance?

Accepted Answer

Improving code readability and maintainability

Answer

Adding new features and functionalities

Answer

Fixing critical defects and vulnerabilities

Answer

Optimizing system performance and efficiency

Question 23

In legacy software systems, which testing approach is most effective for detecting bugs introduced by code modifications?

Accepted Answer

Regression testing

Answer

Unit testing

Answer

Integration testing

Answer

Acceptance testing

Question 24

In software re-engineering, which approach focuses on modifying the code's internal structure while preserving its functionality?

Accepted Answer

Restructuring

Answer

Forward engineering

Answer

Reverse engineering

Question 25

Which software maintenance model places emphasis on proactive measures to minimize maintenance costs?

Accepted Answer

Preventive maintenance

Answer

Corrective maintenance

Answer

Adaptive maintenance

Answer

Perfective maintenance

Question 26

Which change management technique involves assessing the potential effects of proposed changes on a software system?

Accepted Answer

Impact analysis

Answer

Configuration management

Answer

Version control

Answer

Requirements traceability

Question 27

What is the primary goal of software re-engineering?

Accepted Answer

Enhancing the quality and maintainability of existing software systems

Answer

Introducing new features and functionality to existing systems

Answer

Reducing the cost of software maintenance

Answer

Creating new software systems from scratch

Question 28

Which metric is used to measure the number of defects detected during software maintenance?

Accepted Answer

Defect density

Answer

Maintainability index

Answer

Cyclomatic complexity

Answer

Code coverage

Question 29

Identify a limitation of automated software testing tools.

Accepted Answer

They cannot completely eliminate human error.

Answer

They reduce testing time.

Answer

They increase test coverage.

Answer

They improve test accuracy.

Question 30

How do software metrics aid in assessing and managing the complexity of software systems?

Accepted Answer

Software metrics offer objective measurements to evaluate and compare the complexity of software systems.

Answer

Software metrics are primarily used to detect and correct coding errors.

Answer

Software metrics are only applicable during the initial development phases of software systems.

Answer

Software metrics are not suitable for legacy systems due to their outdated architecture.

Question 31

Which element is NOT a crucial component of a software maintenance plan?

Accepted Answer

Software development lifecycle

Answer

Maintenance objectives and goals

Answer

Resource allocation and scheduling

Question 32

In software maintenance and evolution, which ethical consideration should be prioritized when modifying legacy systems?

Accepted Answer

Minimizing user disruption

Answer

Preserving the original design

Answer

Maximizing code optimization

Question 33

Which technique involves restructuring a software system's architecture to enhance its maintainability and extensibility?

Accepted Answer

Software re-engineering

Answer

Reverse engineering

Answer

Code migration

Answer

Refactoring

Question 34

Which factor is NOT commonly associated with software evolution challenges?

Accepted Answer

Feature creep refers to uncontrollable growth in software requirements, while the others are challenges.

Answer

Scope creep

Answer

Technical debt

Answer

User resistance to change

Question 35

Which metric is used to measure the number of defects introduced per unit of code in a software system?

Accepted Answer

Defect density

Answer

Uptime

Answer

Mean time to failure

Answer

Reliability

Question 36

Which software development technique emphasizes writing tests before coding to prevent defects?

Accepted Answer

Test-driven development

Answer

Code review

Answer

Pair programming

Answer

Continuous integration

Question 37

Identify a major reason why software maintenance and evolution often exceed the cost of initial software development.

Accepted Answer

Increased complexity over time as the software system evolves.

Answer

Lack of documentation

Answer

Inadequate testing

Answer

Limited resources

Question 38

Which metric measures the time required for a software system to recover from a failure?

Accepted Answer

Mean time to repair

Answer

Defect density

Answer

Reliability

Answer

Availability

Question 39

Which of the following best describes the primary objective of preventive maintenance in software engineering?

Accepted Answer

Preventing software defects and minimizing the likelihood of future failures through proactive inspections and testing

Answer

Refactoring code to improve its structure and design

Answer

Correcting software defects after they occur

Answer

Updating software to its latest version

Question 40

Which change management technique involves establishing a formal board or committee responsible for reviewing, approving, and overseeing changes to software systems?

Accepted Answer

Change control board

Answer

Functional testing

Answer

Continuous integration

Answer

Code freeze

Question 41

Which of the following is a key benefit of software re-engineering?

Accepted Answer

Enhanced maintainability and extensibility, enabling easier future modifications and additions to the software system

Answer

Increased software complexity and reduced performance

Answer

Complete elimination of legacy code

Answer

Reduced development time for new features

Question 42

Which of the following is a recommended strategy for managing technical debt, which refers to software code that is not optimal but still functional?

Accepted Answer

Identify and prioritize technical debt items, addressing the most critical issues first and planning for their eventual resolution

Answer

Ignore technical debt until it becomes a critical issue, potentially leading to severe consequences

Answer

Refactor all code immediately, regardless of its impact or priority

Question 43

Which tool is commonly used to facilitate automated testing in software maintenance, enabling efficient and repeatable testing of code changes?

Accepted Answer

Unit testing framework, which provides a structured approach to writing and executing tests for individual units of code

Answer

Issue tracker, which is used to track and manage software defects and feature requests

Answer

Code linter, which is used to check code for style and syntax errors

Answer

Version control system, which is used to track changes to code over time

Question 44

Which software maintenance technique involves modifying code to improve its structure, design, and readability without altering its functionality?

Accepted Answer

Refactoring

Answer

Debugging, which involves identifying and fixing software defects

Answer

Performance optimization, which involves making changes to improve the speed and efficiency of code

Answer

Rewriting, which involves creating a new implementation of the software from scratch

Question 45

Which statement best describes the primary focus of corrective software maintenance?

Accepted Answer

Rectifying software defects to align with the intended functionality.

Answer

Introducing new features and functionalities to the software.

Answer

Enhancing the software's overall performance.

Question 46

What is the central objective of change management within software maintenance?

Accepted Answer

To systematically control and coordinate modifications made to a software system.

Answer

To create and maintain comprehensive software requirement documentation.

Answer

To pinpoint and isolate defects within the software.

Question 47

Which technique is employed to identify software components potentially impacted by a proposed change?

Accepted Answer

Impact analysis

Answer

Regression testing

Answer

Code inspection

Answer

Unit testing

Question 48

What is the primary advantage of utilizing reverse engineering during software re-engineering?

Accepted Answer

It facilitates the understanding and reconstruction of the original software design.

Answer

It guarantees an improvement in the overall reliability of the software.

Answer

It invariably leads to a reduction in software development costs.

Question 49

When estimating effort for software maintenance, which factor is typically NOT a primary consideration?

Accepted Answer

The total number of software users.

Answer

The overall size and complexity of the software system.

Answer

The anticipated frequency of software modifications.

Answer

The collective experience level of the maintenance team.

Question 50

What is the primary objective of regression testing during software maintenance?

Accepted Answer

To verify that software modifications haven't introduced new defects or regressions.

Answer

To uncover and identify pre-existing defects in the original software.

Answer

To assess and evaluate the overall performance of the software.

Question 51

What is the main purpose of conducting a maintenance impact analysis?

Accepted Answer

To anticipate and understand the potential ramifications of a proposed software change.

Answer

To accurately estimate the financial cost of implementing a software change.

Answer

To meticulously document the specific requirements associated with a software change.

Question 52

What is the core objective of perfective software maintenance?

Accepted Answer

To enhance existing functionalities or improve the overall performance of the software.

Answer

To modify and adapt the software to accommodate new or evolving requirements.

Answer

To resolve and eliminate defects present within the software.