Paper 2 CS · UNIT 06 · MOCK TEST

Mock 12 – Quality, Reliability & Maintenance (Part 2)

Unit 6: Software Engineering · 22 questions · about 26 minutes. Press End Mock any time to see your score and the correct answers.

All 15 topic-wise mocks in this unit

0 / 22 answered 00:00

Q1. Which of the following belongs to McCall's quality factors?
A. Maintainability
B. Usability
C. Integrity
D. Functionality
Choose the correct answer from the options given below:

AA and D Only BA, B and D Only CC and D Only DA, B and C Only

Q2. In software configuration management, what is the primary purpose of version control?

ATo control the changes made to software BTo document user requirements CTo estimate project cost DTo design the software architecture

Q3. Statement (I): In the reuse-oriented model, old system parts are modified appropriately for the new requirements.
Statement (II): In the reuse-oriented model, integration of the modified parts into the new system is not possible.
In the light of the above statements, choose the most appropriate answer from the options given below:

ABoth Statement I and Statement II are correct BBoth Statement I and Statement II are incorrect CStatement I is correct but Statement II is incorrect DStatement I is incorrect but Statement II is correct

Q4. Consider the following statements:
A. Dynamic metrics are collected by measurements made of a program in execution.
B. Static metrics are collected by measurements made of representations of the system.
C. The assessment of software quality is an objective process.
D. An important part of quality assurance is the selection of standards that should apply to the software development process.
Choose the correct answer from the options given below:

AA, B, C only BB, C, D only CA, C, D only DA, B, D only

Q5. The following table shows the time between failures for a software system. The reliability of the system for one hour of operation, assuming an exponential model, is

Error number	1	2	3	4	5
Time since last failure (hours)	6	4	8	5	6

Ae^(−9/29) Be^(−7/29) Ce^(−5/29) De^(−3/29)

Q6. The ratio of errors found before software delivery to the total errors (before and after delivery) is called:

AAccuracy BSpecificity CDefect Removal Efficiency DThroughput

Q7. Which of the following is NOT a goal of reverse engineering?

ACope with complexity BRecover lost information CDetect side effects DData flow

Q8. For software quality assurance, which of the following is correct?
A. Execution of code
B. No execution of code
C. Preventive technique
D. A corrective technique
Choose the correct answer from the options given below:

AA, B Only BB, C Only CC, D Only DD, A Only

Q9. Modifying the software to match changes in the ever-changing environment is called

AAdaptive maintenance BCorrective maintenance CPerfective maintenance DPreventive maintenance

Q10. Which of the following is an indirect measure of a product?

AQuality BComplexity CReliability DAll of these

Q11. Consider the following statements:
(A) Dynamic metrics are collected by measurements made of a program in execution
(B) Static metrics are collected by measurements made of representations of the system
(C) The assessment of software quality is an objective process
(D) An important part of quality assurance involves selection of standards applying to development
Which of the above statements are correct?

AA, B, C only BB, C and D only CA, C and D only DA, B and D only

Q12. Modifying the software to match change in the ever changing environment is called as

AAdaptive maintenance BCorrective maintenance CPerfective maintenance DPreventive maintenance

Q13. Modifying the software by restructuring is called

AAdaptive maintenance BCorrective maintenance CPerfective maintenance DPreventive maintenance

Q14. Software reliability is described with respect to
(A) Execution Time
(B) Calendar Time
(C) Clock Time
Choose the correct answer from the options given below:

A(A) and (B) only B(B) and (C) only C(A), (B) and (C) D(A) and (C) only

Q15. According to the ISO-9126 Standard Quality Model, match List-I with List-II:
List-I (Attributes)
(a) Functionality
(b) Reliability
(c) Efficiency
(d) Maintainability
List-II (Definitions)
(i) Relationship between level of performance and amount of resources used
(ii) Characteristics related with achievement of purpose
(iii) Effort needed to make for improvement
(iv) Capability of software to maintain its level of performance
Choose the correct answer from the options given below:

A(a)-(i), (b)-(ii), (c)-(iii), (d)-(iv) B(a)-(ii), (b)-(i), (c)-(iv), (d)-(iii) C(a)-(ii), (b)-(iv), (c)-(i), (d)-(iii) D(a)-(i), (b)-(ii), (c)-(iv), (d)-(iii)

Q16. Software Reuse is ________.

AThe process of analysing software with the objective of recovering its design and specification BThe process of using existing software artifacts and knowledge to build new software CConcerned with re-implementing legacy systems to make them more maintainable DThe process of analysing software to create a representation of a higher level of abstraction

Q17. Software products need adaptive maintenance for which of the following reasons?

ATo rectify bugs observed while the system is in use. BWhen the customers need the product to run on new platforms. CTo support the new features that users want it to support. DTo overcome wear and tear caused by the repeated use of the software.

Q18. Which of the following statements is/are true?
P: Software Reengineering is preferable for software products having high failure rates, having poor design and/or having poor code structure.
Q: Software Reverse Engineering is the process of analyzing software with the objective of recovering its design and requirement specification.

AP only BNeither P nor Q CQ only DBoth P and Q

Q19. Software products need perfective maintenance for which of the following reasons?

Q20. A software has been observed to crash 20 times during the year 2017 and each time it took 2 minutes to restart. What is the approximate availability of the software?

A96.9924% B97.9924% C98.9924% D99.9924%

Q21. Statistical software quality assurance in software engineering involves ______.

Ausing sampling in place of exhaustive testing of software. Bsurveying customers to find out their opinions about product quality. Ctracing each defect to its underlying cause, isolating the vital few causes, and moving to correct them. Dtracing each defect to its underlying causes, and using the Pareto principle to correct each problem found.

Q22. A signal processor software is expected to operate for 91.25 days after repair, and the mean software repair time is expected to be 5 minutes. Then, the availability of the software is:

A96.9862% B97.9862% C98.9962% D99.9962%

Next: Mock 13 – Quality, Reliability & Maintenance (Part 3) →