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Welcome to the Software Maintenance MCQs Page

Dive deep into the fascinating world of Software Maintenance with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of Software Maintenance, a crucial aspect of Software Engineering. In this section, you will encounter a diverse range of MCQs that cover various aspects of Software Maintenance, from the basic principles to advanced topics. Each question is thoughtfully crafted to challenge your knowledge and deepen your understanding of this critical subcategory within Software Engineering.

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Check out the MCQs below to embark on an enriching journey through Software Maintenance. Test your knowledge, expand your horizons, and solidify your grasp on this vital area of Software Engineering.

Note: Each MCQ comes with multiple answer choices. Select the most appropriate option and test your understanding of Software Maintenance. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

Software Maintenance MCQs | Page 2 of 20

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Q11.
What are the two approaches to improve the maintenance of software systems?

a.

To rediscover lost facts and restructure existing software systems

b.

To have a clear distinction between software development and maintenance

c.

To have a structured approach to software development

d.

To have a well-defined plan for software development and maintenance

Discuss
Answer: (a).To rediscover lost facts and restructure existing software systems Explanation:Two approaches to improve the maintenance of software systems are to rediscover lost facts and restructure existing software systems, and to take organizational and managerial actions to improve software maintenance.
Q12.
What type of maintenance deals with the repair of faults found?

a.

Corrective maintenance

b.

Adaptive maintenance

c.

Perfective maintenance

d.

Preventive maintenance

Discuss
Answer: (a).Corrective maintenance Explanation:Corrective maintenance deals with the repair of faults found.
Q13.
What type of maintenance mainly deals with accommodating new or changed user requirements?

a.

Corrective maintenance

b.

Adaptive maintenance

c.

Perfective maintenance

d.

Preventive maintenance

Discuss
Answer: (c).Perfective maintenance Explanation:Perfective maintenance mainly deals with accommodating new or changed user requirements.
Q14.
What type of maintenance concerns activities aimed at increasing the system’s maintainability?

a.

Corrective maintenance

b.

Adaptive maintenance

c.

Perfective maintenance

d.

Preventive maintenance

Discuss
Answer: (d).Preventive maintenance Explanation:Preventive maintenance concerns activities aimed at increasing the system’s maintainability.
Q15.
What is the estimated percentage of total maintenance effort accounted for by correction of faults?

a.

50%

b.

25%

c.

75%

d.

100%

Discuss
Answer: (b).25% Explanation:Correction of faults accounts for about 25% of the total maintenance effort.
Q16.
What is the estimated percentage of total life cycle costs accounted for by system maintenance?

a.

50%

b.

25%

c.

75%

d.

100%

Discuss
Answer: (a).50% Explanation:The total cost of system maintenance is estimated to comprise at least 50% of total life cycle costs.
Q17.
What is the estimated ratio of people working in software development to software maintenance?

a.

1:1

b.

1:2

c.

2:1

d.

3:1

Discuss
Answer: (c).2:1 Explanation:The estimate of the number of people working in software development compared to software maintenance is 2:1 according to Jones (2006).
Q18.
What do later studies by Nosek and Palvia (1990) and Basili et al. (1996) indicate about the relative distribution of maintenance activities?

a.

The relative distribution of maintenance activities has improved over time

b.

The relative distribution of maintenance activities has remained roughly the same

c.

The relative distribution of maintenance activities has become worse over time

d.

The relative distribution of maintenance activities is unknown

Discuss
Answer: (b).The relative distribution of maintenance activities has remained roughly the same Explanation:Later studies by Nosek and Palvia (1990) and Basili et al. (1996) give roughly the same results as (Lientz and Swanson, 1980) and indicate that the relative distribution of maintenance activities has remained roughly the same.
Q19.
What do the results from Schach et al. (2003) indicate about the relative distribution of maintenance activities compared to (Lientz and Swanson, 1980)?

a.

The relative distribution of maintenance activities is the same as (Lientz and Swanson, 1980)

b.

The relative distribution of maintenance activities is better than (Lientz and Swanson, 1980)

c.

The relative distribution of maintenance activities is worse than (Lientz and Swanson, 1980)

d.

The relative distribution of maintenance activities is different from (Lientz and Swanson, 1980)

Discuss
Answer: (d).The relative distribution of maintenance activities is different from (Lientz and Swanson, 1980) Explanation:Schach et al. (2003) investigated maintenance effort in three systems and found results that are quite different from the general picture given by (Lientz and Swanson, 1980).
Q20.
What is the main reason for the differences in results between studies such as (Lientz and Swanson, 1980) and Schach et al. (2003)?

a.

Differences in study methods

b.

Differences in definitions of software maintenance

c.

Differences in the systems studied

d.

A convincing argument for the differences does not exist

Discuss
Answer: (d).A convincing argument for the differences does not exist Explanation:There is no convincing argument for the differences between the results of (Lientz and Swanson, 1980) and Schach et al. (2003).
Page 2 of 20

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