Software Testing Questions-Answers
| Q1➡ |Software Testing Following is used to demonstrate that the new release of software still performs the old one did by rerunning the old tests : |
| i ➥ Functional testing |
| ii ➥ Path testing |
| iii ➥ Stress testing |
| iv ➥ Regression testing |
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Answer: iv
Explanation:
| Q2➡ |Software Testing Software risk estimation involves following two tasks : |
| i ➥ Risk magnitude and risk impact |
| ii ➥ Risk probability and risk impact |
| iii ➥ Risk maintenance and risk impact |
| iv ➥ Risk development and risk impact |
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Answer: ii
Explanation:
| Q3➡ |Software Testing Many causes of the software crisis can be traced to mythology based on |
| i ➥ Management Myths |
| ii ➥ Customer Myths |
| iii ➥ Practitioner Myths |
| iv ➥ All of the above |
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Answer: iv
Explanation:
| Q4➡ |Software Testing Which one of the following is not a risk management technique for managing the risk due to unrealistic schedules and budgets ? |
| i ➥ Information hiding |
| ii ➥ Incremental development |
| iii ➥ Design cost |
| iv ➥ Detailed multi source cost and schedule estimation. |
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Answer: i
Explanation:
| Q5➡ |Software Testing ___________ of a system is the structure or structures of the system which comprise software elements, the externally visible properties of these elements and the relationship amongst them. |
| i ➥ Software reuse |
| ii ➥ Software architecture |
| iii ➥ Software evolution |
| iv ➥ Software construction |
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Answer: ii
Explanation:
Software Testing Questions-Answers
| Q6➡ |Software Testing Regression testing is primarily related to |
| i ➥ Maintenance testing |
| ii ➥ Data flow testing |
| iii ➥ Development testing |
| iv ➥ Functional testing |
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Answer: i
Explanation:
| Q7➡ |Software Testing In which testing strategy requirements established during requirements analysis are validated against developed software? |
| i ➥ Validation testing |
| ii ➥ Integration testing |
| iii ➥ Regression testing |
| iv ➥ System testing |
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Answer: i
Explanation:
| Q8➡ |Software Testing In software testing, how the error, fault and failure are related to each other? |
| i ➥ Fault leads to error and error leads to failure |
| ii ➥ Error leads to fault and fault leads to failure. |
| iii ➥ Fault leads to failure but error is not related to fault and failure. |
| iv ➥ Error leads to failure but fault is not related to error and failure. |
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Answer: ii
Explanation:
| Q9➡ |Software Testing For a program of k variables, boundary value analysis yields __ test cases. |
| i ➥ 4k – 1 |
| ii ➥ 4k |
| iii ➥ 4k + 1 |
| iv ➥ 2k – 1 |
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Answer: iii
Explanation:
| Q10➡ |Software Testing Which of the following testing techniques ensures that the software product runs correctly after the changes during maintenance ? |
| i ➥ Regression Testing |
| ii ➥ Unit Testing |
| iii ➥ Integration Testing |
| iv ➥ Path Testing |
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Answer: i
Explanation:
| Q11➡ |Software Testing What is the normal order of activities in which traditional software testing is organized? (a) Integration Testing (b) System Testing (c) Unit Testing (d) Validation Testing |
| i ➥ (b),(d),(a),(c) |
| ii ➥ (d),(c),(b),(a) |
| iii ➥ (c),(a),(d),(b) |
| iv ➥ (c),(a),(b),(d) |
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Answer: iii
Explanation:
| Q12➡ |Software Testing Which of the following is NOT a goal of the software testing? |
| i ➥ Error detection |
| ii ➥ Size reduction |
| iii ➥ Fault detection |
| iv ➥ Failure detection |
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Answer: ii
Explanation:
| Q13➡ |Software Testing The testing of software against SRS is called : |
| i ➥ Series testing |
| ii ➥ Regression testing |
| iii ➥ Integration testing |
| iv ➥ Acceptance testing |
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Answer: iv
Explanation:
| Q14➡ |Software Testing Equivalence partitioning is a__________testing method that divides the input domain of a program into classes of data from which test cases can be derived. |
| i ➥ Smoke |
| ii ➥ Regression |
| iii ➥ Black box |
| iv ➥ White box |
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Answer: iii
Explanation:
| Q15➡ |Software Testing Basis path testing falls under |
| i ➥ unit testing |
| ii ➥ white box testing |
| iii ➥ system testing |
| iv ➥ Black Box testing |
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Answer: ii
Explanation:
in software engineering, basis path testing, or structured testing, is a white box method for designing test cases. The method analyzes the control-flow graph of a program to find a set of linearly independent paths of execution.
| Q16➡ |Software Testing Testing of software with actual data and in actual environment is called |
| i ➥ Regression testing |
| ii ➥ Beta testing |
| iii ➥ Alpha testing |
| iv ➥ None |
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Answer: ii
Explanation:
| Q17➡ |Software Testing “Black” refers in the “Black-box” testing means |
| i ➥ Users are hidden |
| ii ➥ Design is hidden |
| iii ➥ Input/output is hidden |
| iv ➥ Characters of the movie “Black” |
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Answer: ii
Explanation:
| Q18➡ |Software Testing Which of the following is used for test data generation ? |
| i ➥ Boundary value analysis |
| ii ➥ Black Box |
| iii ➥ White Box |
| iv ➥ All of the above |
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Answer: i
Explanation:
| Q19➡ |Software Testing Any error whose cause cannot be identified anywhere within the software system is called __ |
| i ➥ Logic error |
| ii ➥ Inherent error |
| iii ➥ External error |
| iv ➥ Internal error |
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Answer: iii
Explanation:
| Q20➡ |Software Testing Black Box testing is done |
| i ➥ at client side. |
| ii ➥ to examine internal details of code. |
| iii ➥ to show that s/w is operational at its interfaces i.e. input and output. |
| iv ➥ none of above. |
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Answer: iii
Explanation:
| Q21➡ |Software Testing The approach to software testing is to design test cases to : |
| i ➥ analyse the design of sub processes in the software |
| ii ➥ analyze the output of the software |
| iii ➥ understand the software |
| iv ➥ break the software |
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Answer: iv
Explanation:
| Q22➡ |Software Testing Which of the following statements is/are FALSE with respect to software testing ? S1 : White-box tests are based on specifications; better at telling whether program meets specification, better at finding errors of omission. S2 : Black- box tests are based on code; better for finding crashes, out of bounds errors, file not closed errors. S3 : Alpha testing is conducted at the developer’s site by a team of highly skilled testers for software that is developed as a product to be used by many customers. |
| i ➥ Only S1 and S3 are FALSE. |
| ii ➥ Only S2 and S3 are FALSE. |
| iii ➥ Only S1 and S2 are FALSE. |
| iv ➥ All of S1, S2, and S3 are FALSE. |
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Answer: iii
Explanation:
| Q23➡ |Software Testing Consider the method mcq ( ): int mcq(boolean a, boolean b, boolean c, boolean d) { int ans=1; if(a) { ans = 2; } else if (b) { ans = 3; } else if (c) { if (d) { ans = 4; } return ans; } if M1 = Number of tests to exhaustively test mcq( ); M2 = Minimum number of tests to achieve full statement coverage for mcq( ); and M3 = Minimum number of tests to achieve full branch coverage for mcq( ); then (M1, M2, M3) = __. |
| i ➥ (16, 4, 4) |
| ii ➥ (8, 3, 5) |
| iii ➥ (8, 5, 3) |
| iv ➥ (16, 3, 5) |
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Answer: iv
Explanation:
| Q24➡ |Software Testing Which of the following statement(s) is/are TRUE with regard to software testing ? I. Regression testing technique ensures that the software product runs correctly after the changes during maintenance. II. Equivalence partitioning is a white-box testing technique that divides the input domain of a program into classes of data from which test cases can be derived. |
| i ➥ only I |
| ii ➥ only II |
| iii ➥ both I and II |
| iv ➥ neither I nor II |
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Answer: i
Explanation:
| Q25➡ |Software Testing Which of the following are facts about a top-down software testing approach? I. Top-down testing typically requires the tester to build method stubs. II. Top-down testing typically requires the tester to build test drivers. |
| i ➥ Only I |
| ii ➥ Only II |
| iii ➥ Both I and II |
| iv ➥ Neither I nor II |
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Answer: i
Explanation:
| Q26➡ |Software Testing Which one of the following statements is incorrect? |
| i ➥ In white-box testing, the test cases are decided from the specifications or the requirements |
| ii ➥ The reliability of a system can also be specified as the Mean Time To Failure (MTTF) |
| iii ➥ Reliability of a software specifies the probability of failure-free operation of that software for a given time duration. |
| iv ➥ Pareto analysis is a statistical method used for analyzing causes, and is one of the primary tools for quality management. |
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Answer: i
Explanation:
| Q27➡ |Software Testing Which one of the following statements, related to the requirements phase in Software Engineering, is incorrect? |
| i ➥ “Function points” is one of the most commonly used size metric for requirements |
| ii ➥ “Modelling-oriented approach” is one of the methods for specifying the functional specifications |
| iii ➥ “Prototyping” is one of the methods for requirement analysis. |
| iv ➥ “Requirement validation” is one of the activities in the requirements phase. |
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Answer: ii
Explanation:
| Q28➡ |Software Testing In the context of software testing, which of the following statements is/are NOT correct? P: A minimal test set that achieves 100% path coverage will also achieve 100% statement coverage. Q: A minimal test set that achieves 100% path coverage will generally detect more faults than one that achieves 100% statement coverage R: A minimal test set that achieves 100% statement coverage will generally detect more faults than one that achieves 100% branch coverage |
| i ➥ Q only |
| ii ➥ R only |
| iii ➥ P and Q only |
| iv ➥ Q and R only |
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Answer: ii
Explanation:
| Q29➡ |Software Testing Regression testing is primarily related to |
| i ➥ Maintenance testing |
| ii ➥ Data flow testing |
| iii ➥ Development testing |
| iv ➥ Functional testing |
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Answer: i
Explanation:
| Q30➡ |Software Testing What is the availability of the software with following reliability figures Mean Time Between Failures (MTBF) is 20 days Mean Time To Repair (MTTR) is 20 hours |
| i ➥ 24% |
| ii ➥ 50% |
| iii ➥ 90% |
| iv ➥ 96% |
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Answer: iv
Explanation:
| Q31➡ |Software Testing Which of the following techniques are used for selection of test cases during structural testing? |
| i ➥ Boundary value analysis |
| ii ➥ Cause-effect graphing |
| iii ➥ Equivalence class partitioning |
| iv ➥ Data flow based testing |
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Answer: iv
Explanation:
| Q32➡ |Software Testing Regression testing is primarily related to |
| i ➥ development testing |
| ii ➥ maintenance testing |
| iii ➥ data flow testing |
| iv ➥ function testing |
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Answer: ii
Explanation:
| Q33➡ |Software Testing Acceptance testing is done by |
| i ➥ developers |
| ii ➥ testers |
| iii ➥ customers |
| iv ➥ None of the Above |
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Answer: iii
Explanation:
| Q34➡ |Software Testing The approach to software testing is to design test cases to |
| i ➥ understand the software |
| ii ➥ analyze the output of the software |
| iii ➥ analyze the design of sub processes in the software |
| iv ➥ break the software |
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Answer: ii
Explanation:
| Q34➡ |Software Testing Beta testing is carried out by |
| i ➥ developers |
| ii ➥ managers |
| iii ➥ users |
| iv ➥ None of the Above |
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Answer: iii
Explanation:
Software Testing Questions-Answers
| Q35➡ |Software Testing Match the following :  |
| i ➥ P-ii, Q-iii, R-i, S-iv |
| ii ➥ P-iii, Q-iv, R-ii, S-i |
| iii ➥ P-iii, Q-ii, R-iv, S-ii |
| iv ➥ P-iii, Q-i, R-ii, S-iv |
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Answer: iv
Explanation:
| Q36➡ |Software Testing Match the following :  Which of the following is true : |
| i ➥ (a)-(iii), (b)-(iv), (c)-(i), (d)-(ii) |
| ii ➥ (a)-(ii), (b)-(iii), (c)-(iv), (d)-(i) |
| iii ➥ (a)-(i), (b)-(ii), (c)-(iv), (d)-(iii) |
| iv ➥ None of the above |
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Answer: iv
Explanation:
| Q37➡ |Software Testing Which of the following is a white box testing technique? |
| i ➥ Cause effect graphing |
| ii ➥ State based testing |
| iii ➥ Equivalence class testing |
| iv ➥ Data flow testing |
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Answer: iv
Explanation:
| Q38➡ |Software Testing Alpha and Beta testing are forms of |
| i ➥ Unit testing |
| ii ➥ System testing |
| iii ➥ Integration testing |
| iv ➥ Acceptance testing |
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Answer: iv
Explanation:
| Q39➡ |Software Testing What is the testing to ensure the WebApp property interfaces with other applications or databases? |
| i ➥ Performance |
| ii ➥ Security |
| iii ➥ Interoperability |
| iv ➥ Compatibility |
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Answer: iii
Explanation:
| Q40➡ |Software Testing In testing phase, the effort distribution is upto |
| i ➥ 10% |
| ii ➥ 20% |
| iii ➥ 40% |
| iv ➥ 50% |
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Answer: iv
Explanation:
| Q41➡ |Software Testing The graph theoretic concept will be useful in software testing is |
| i ➥ Cyclomatic number |
| ii ➥ Hamiltonian Circuit |
| iii ➥ Eulerian cycle |
| iv ➥ None of these |
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Answer: i
Explanation:
| Q42➡ |Software Testing The advantage of better testing in software development is in |
| i ➥ Prototyping |
| ii ➥ Iterative |
| iii ➥ Waterfall model |
| iv ➥ All |
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Answer: ii
Explanation:
| Q43➡ |Software Testing Which of the following testing methods uses fault simulation technique? |
| i ➥ unit testing |
| ii ➥ beta testing |
| iii ➥ stress testing |
| iv ➥ mutation testing |
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Answer: iv
Explanation:
| Q44➡ |Software Testing If a program P calls two subprograms P1 and P2 and P1 can fail 50% of the time and P2 can fail 40% of the time, what is the failure rate of program P |
| i ➥ 10% |
| ii ➥ 50% |
| iii ➥ 60% |
| iv ➥ 70% |
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Answer: iv
Explanation:
| Q45➡ |Software Testing If a program P calls two subprograms P1 and P2 and P1 can fail 50% of the time and P2 can fail 40% of the time, what is the failure rate of program P |
| i ➥ 10% |
| ii ➥ 50% |
| iii ➥ 60% |
| iv ➥ 70% |
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Answer: iv
Explanation:
| Q46➡ |Software Testing Black Box Software Testing method focuses on the |
| i ➥ Boundary condition of the software |
| ii ➥ Functional requirement of the software |
| iii ➥ Control structure of the software |
| iv ➥ Independent paths of the software |
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Answer: ii
Explanation:
| Q47➡ |Software Testing A testing method which is normally used as the acceptance test for a software system, is |
| i ➥ System Testing |
| ii ➥ Unit Testing |
| iii ➥ Integration Testing |
| iv ➥ Regression Testing |
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Answer: i
Explanation:
| Q48➡ |Software Testing Activities which ensure that the software that has been built, is traceable to customer requirement is covered as part of |
| i ➥ Modeling |
| ii ➥ Maintenance |
| iii ➥ Validation |
| iv ➥ Verification |
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Answer: iii
Explanation:
| Q49➡ |Software Testing The extent to which the software can continue to operate correctly despite the introduction of invalid inputs is called as |
| i ➥ Portability |
| ii ➥ Fault tolerance |
| iii ➥ Robustness |
| iv ➥ Reliability |
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Answer: iii
Explanation:
| Q50➡ |Software Testing To execute all loops at their boundaries and within their operational bounds is an example of |
| i ➥ White Box Testing |
| ii ➥ Recovery Testing |
| iii ➥ Alpha Testing |
| iv ➥ Black Box Testing |
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Answer: i
Explanation: