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Programming in modern c++ | week 12, introduction to internet of things week 12, introduction to industry 4.0 and industrial internet of things | week 12, an introduction to artificial intelligence | week 12, the joy of computing using python | week 12, quantum mechanics 1 | week 12, programming in java | week 12, principles of management | week 12, leadership and team effectiveness | week 12, introduction to machine learning | week 12.

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NPTEL Software Engineering Week 1 Assignment Answers 2023

1. Which of the following i s not a software service type of project? a. A project for customization of an educational institute automation software b. Development of a new feature for an existing office automation software c. A project for maintenance of a generic accounting s o ftware package d. A project for testing of a generic accounting software package e. A project undertaken by a vendor to develop from scratch a novel plant automation software for a client

2. Which one of the following characteristics of a complex system makes is necessary to develop it with both hardware and software parts, rather than realizing it using entirely ha r dware?

a. High system reliability b. Low development cost of the system c. Easy to change the system to meet changing customer requirements d. Low operating cost e. Low power consumption f. Low weight of the system

3. Which one of the following are not factors contributing to the present day software crisis?

a. Larger problems, b. Poor project management c. Lack of customer commitment d. Lack of adequate training in softwa r e engineering e. Low reliability of the hardware platforms

4. Which one of the following types of software development process most c l osely resembles the exploratory style of software development?

a. First specify the software, then design the test cases, then develop the software, and keep on modifying it until it passes all the test cases b. First specify the system, then develop the software, and finally test the developed software C. First develop the software, t h en test it, and then keep on modifying the software until it passes all the test cases d. Keep on specifying a little, designing a little, and testing a little until the full software is developed e. First write the test cases, then develop the software, then keep on modifying the s oftware until it passes all the test cases.

5. Which one of the following is FALSE about developing a large software by deploying the ex p loratory style of development?

a. Difficult to use exploratory style in team development environment b. For large-sized project, use explorator y development style leads to cost and time oVelTUns c. Development toy programs such as introductory programming assignments using exploratory style, leads to poor quality software and unreasonably large development time. d. Development of large projects using the exploratory style, often leads to project failure e. It is difficult to complete even simp l e projects using exploratory style of development

6. It is observed that while using the exploratory development style, th e effort required to develop a software grows exponentially with the size of the software. Which one of the following is a possible reason behind it?

a. Cost of requirements gathering increases exponentially b. Code size becomes exponentially large c. The number of indepen d ent variables in the monolithic program increases, leading to exponential increase in the effort to understand the program. d. As the size of any program increases, it becomes exponentially more difficult to correct compilation errors. e. Design effort increases exponentially

7. Which one of the following is justified by the magic number 7?

a. Number independent variables in a function should not exceed 7. b. A function should not call more than 7 functions c. A function should not be called by more than 7 functions d. Number of decision sta t ements in a function should not exceed 7. e. Number of members of a team should not exceed 7

8. Which one of the following terms is a synonym for the abs t raction technique?

a. Model building b. Decomposition c. Modularization d. Mapping e. Elaborating

9. Which one of the following statements concerning the principles of abstrac t ion and decomposition is false?

a. A geographical map is an abstraction of a country b. Organization of the contents of a book into chapters is an example of application of the decomposition technique c. Constructing a model of a building is an application of the principle of abstraction d. For a given syst e m, only a single and unique model can be constructed e. A unique decomposition is possible for any given problem

10. Which one of the following statements are FALSE?

a. A job is a repetition of a set o f well-defined and well understood tasks with very little uncertainty. b. A software development project consists of only a set of explorations c. An exploration is a set of tasks whose outcome is uncertain C. d. A software project consists of a mixture of jobs and explorations e. A software development project consists of only a set of job s

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Ethical hacking : assignment 3: question no 1.

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Ethical Hacking - Week 4 Feedback Form

Nptel: ethical hacking: week 4 content and assignment is live now .

Dear Students, The lecture videos for  Week 4  have been uploaded for the course  Ethical Hacking . The lectures can be accessed using the following link:  https://onlinecourses.nptel.ac.in/noc23_cs75/unit?unit=47&lesson=48 The other lectures of this week are accessible from the navigation bar to the left. Please remember to login into the website to view contents (if you aren't logged in already). Assignment 4  for  Week 4  is also released and can be accessed from the following link:  https://onlinecourses.nptel.ac.in/noc23_cs75/unit?unit=47&assessment=172 The assignment has to be submitted on or before  Wednesday, [23/08/2023], 23:59 IST . As we have done so far, please use the discussion forums if you have any questions on this module. Note:  Please check the due date of the assignments in the announcement and assignment page if you see any mismatch write to us immediately. Thanks and Regards, --NPTEL Team

Ethical Hacking - Assignment- 0, 1 & 2 Solution Released

Dear Learners, The   Assignment- 0, 1 & 2  of   Week- 0, 1 & 2 Solution  for the course " Ethical Hacking " has been released in the portal. Please go through the solution and in case of any doubt post your queries in the forum. Link for assignment 0 solution:   https://drive.google.com/file/d/1UMt2ygNr59vV6jH1vatmeeu8Gv0GUDyH/view?usp=drive_link Link for assignment 1 solution:   https://drive.google.com/file/d/1TrBT2Yk5c51ausARzmukKcBlRB2TrNeA/view?usp=drive_link Link for assignment 2 solution:   https://drive.google.com/file/d/1VJ5JUcCLki11EJlTitvsNq17oXuSSGRI/view?usp=drive_link Happy Learning! Thanks & Regards, NPTEL Team

Ethical Hacking - Week 3 Feedback Form

Nptel: ethical hacking: week 3 content and assignment is live now .

Dear Students, The lecture videos for  Week 3  have been uploaded for the course  Ethical Hacking . The lectures can be accessed using the following link:  https://onlinecourses.nptel.ac.in/noc23_cs75/unit?unit=38&lesson=39 The other lectures of this week are accessible from the navigation bar to the left. Please remember to login into the website to view contents (if you aren't logged in already). Assignment 3  for  Week 3  is also released and can be accessed from the following link:  https://onlinecourses.nptel.ac.in/noc23_cs75/unit?unit=38&assessment=170 The assignment has to be submitted on or before  Wednesday, [16/08/2023], 23:59 IST . As we have done so far, please use the discussion forums if you have any questions on this module. Note:  Please check the due date of the assignments in the announcement and assignment page if you see any mismatch write to us immediately. Thanks and Regards, --NPTEL Team

Ethical Hacking - Week 2 Feedback Form

Nptel: ethical hacking: week 2 content and assignment is live now .

Dear Students, The lecture videos for Week 2 have been uploaded for the course Ethical Hacking . The lectures can be accessed using the following link:  https://onlinecourses.nptel.ac.in/noc23_cs75/unit?unit=29&lesson=30 The other lectures of this week are accessible from the navigation bar to the left. Please remember to login into the website to view contents (if you aren't logged in already). Assignment 2 for Week 2 is also released and can be accessed from the following link:  https://onlinecourses.nptel.ac.in/noc23_cs75/unit?unit=29&assessment=169 The assignment has to be submitted on or before Wednesday, [09/08/2023], 23:59 IST . As we have done so far, please use the discussion forums if you have any questions on this module. Note: Please check the due date of the assignments in the announcement and assignment page if you see any mismatch write to us immediately. Thanks and Regards, --NPTEL Team

Ethical Hacking - Week 1 Feedback Form

Ethical hacking - download video links are available now.

Dear Learners, The download video link for the course  Ethical Hacking is available now in the course outline. Please check the download video link:  https://nptel.ac.in/courses/106105217 -NPTEL Team

NPTEL: Ethical Hacking: Week 1 Content and Assignment is live now !!

Dear Students, The lecture videos for Week 1 have been uploaded for the course Ethical Hacking . The lectures can be accessed using the following link:  https://onlinecourses.nptel.ac.in/noc23_cs75/unit?unit=18&lesson=19 The other lectures of this week are accessible from the navigation bar to the left. Please remember to login into the website to view contents (if you aren't logged in already). Assignment 1 for Week 1 is also released and can be accessed from the following link:  https://onlinecourses.nptel.ac.in/noc23_cs75/unit?unit=18&assessment=168 The assignment has to be submitted on or before Wednesday, [09/08/2023], 23:59 IST. As we have done so far, please use the discussion forums if you have any questions on this module. Note : Please check the due date of the assignments in the announcement and assignment page if you see any mismatch write to us immediately. Thanks and Regards, --NPTEL Team

Stay Ahead of the Curve: Follow NPTEL for a Bright Future!!

Dear Learners Don't let knowledge pass you by! Stay in the loop with all the latest updates from NPTEL!  Follow us on social media to never miss a beat in your educational journey. Be the first to know about new courses, insightful articles, and exciting announcements.  Join our growing community. Tap those links below and let the learning adventure begin! Twitter: https://twitter.com/nptelindia?t=Yv1BextATpcwg7K2kOxbhg&s=08 Facebook:  https://www.facebook.com/NPTELNoc/ Instagram:  https://www.instagram.com/nptel_india/ LinkedIn: https://www.linkedin.com/mwlite/company/nptel YouTube: https://www.youtube.com/user/nptelhrd Happy learning!  Team NPTEL

Ethical Hacking- Assignment-0-RELEASED

Dear Learners, We welcome you all to this course. The assignment 0 for the course Ethical Hacking has been released.  This assignment is based on a prerequisite of the course. Kindly note that marks obtained in this assignment will not be considered for the final assessment.  You can find the assignment under Week 0 unit on the left-hand side of your screen. You can submit the assignment multiple times. All the best !!     --NPTEL Team

NPTEL: Exam Registration is open now for July 2023 courses!

Dear Learner, 

Here is the much-awaited announcement on registering for the July 2023 NPTEL course certification exam. 

1. The registration for the certification exam is open only to those learners who have enrolled in the course. 

2. If you want to register for the exam for this course, login here using the same email id which you had used to enroll to the course in Swayam portal. Please note that Assignments submitted through the exam registered email id ALONE will be taken into consideration towards final consolidated score & certification. 

3 . Date of exam: October 29, 2023

4. Exam fees: 

If you register for the exam and pay before Aug 14, 2023, 5:00 PM, Exam fees will be Rs. 1000/- per exam .

5. 50% fee waiver for the following categories: 

Students belonging to the SC/ST category: please select Yes for the SC/ST option and upload the correct Community certificate.

Students belonging to the PwD category with more than 40% disability: please select Yes for the option and upload the relevant Disability certificate. 

6. Last date for exam registration: Aug 18, 2023, 5:00 PM (Friday). 

7. Between Aug 14, 2023, 5:00 PM & Aug 18, 2023, 5:00 PM late fee will be applicable.

8. Mode of payment: Online payment - debit card/credit card/net banking/UPI. 

9. HALL TICKET: 

The hall ticket will be available for download tentatively by 2 weeks prior to the exam date. We will confirm the same through an announcement once it is published. 

10. FOR CANDIDATES WHO WOULD LIKE TO WRITE MORE THAN 1 COURSE EXAM:- you can add or delete courses and pay separately – till the date when the exam form closes. Same day of exam – you can write exams for 2 courses in the 2 sessions. Same exam center will be allocated for both the sessions. 

11. Data changes: 

Last date for data changes: Aug 18, 2023, 5:00 PM :  

We will charge an additional fee of Rs. 200 to make any changes related to name, DOB, photo, signature, SC/ST and PWD certificates after the last date of data changes.

The following 6 fields can be changed(until the form closes) ONLY when there are NO courses in the course cart. And you will be able to edit those fields only if you: - 

REMOVE unpaid courses from the cart And/or - CANCEL paid courses 

1. Do you come under the SC/ST category? * 

2. SC/ST Proof 

3. Are you a person with disabilities? * 

4. Are you a person with disabilities above 40%? 

5. Disabilities Proof 

6. What is your role ? 

Note: Once you remove or cancel a course, you will be able to edit these fields immediately. 

But, for cancelled courses, refund of fees will be initiated only after 2 weeks. 

12. LAST DATE FOR CANCELLING EXAMS and getting a refund: Aug 18, 2023, 5:00 PM  

13. Click here to view Timeline and Guideline : Guideline

Domain Certification

Domain Certification helps learners to gain expertise in a specific Area/Domain. This can be helpful for learners who wish to work in a particular area as part of their job or research or for those appearing for some competitive exam or becoming job ready or specialising in an area of study.  

Every domain will comprise Core courses and Elective courses. Once a learner completes the requisite courses per the mentioned criteria, you will receive a Domain Certificate showcasing your scores and the domain of expertise. Kindly refer to the following link for the list of courses available under each domain: https://nptel.ac.in/domains

Outside India Candidates

Candidates who are residing outside India may also fill the exam form and pay the fees. Mode of exam and other details will be communicated to you separately.

Thanks & Regards, 

Ethical Hacking:Welcome to NPTEL Online Course - July 2023!!

• Every week, about 2.5 to 4 hours of videos containing content by the Course instructor will be released along with an assignment based on this. Please watch the lectures, follow the course regularly and submit all assessments and assignments before the due date. Your regular participation is vital for learning and doing well in the course. This will be done week on week through the duration of the course.
• Please do the assignments yourself and even if you take help, kindly try to learn from it. These assignments will help you prepare for the final exams. Plagiarism and violating the Honor Code will be taken very seriously if detected during the submission of assignments.
• The announcement group - will only have messages from course instructors and teaching assistants - regarding the lessons, assignments, exam registration, hall tickets, etc.
• The discussion forum (Ask a question tab on the portal) - is for everyone to ask questions and interact. Anyone who knows the answers can reply to anyone's post and the course instructor/TA will also respond to your queries.
• Please make maximum use of this feature as this will help you learn much better.
• If you have any questions regarding the exam, registration, hall tickets, results, queries related to the technical content in the lectures, any doubts in the assignments, etc can be posted in the forum section
• The course is free to enroll and learn from. But if you want a certificate, you have to register and write the proctored exam conducted by us in person at any of the designated exam centres.
• The exam is optional for a fee of Rs 1000/- (Rupees one thousand only).
• Date and Time of Exams: October 29, 2023 Morning session 9am to 12 noon; Afternoon Session 2 pm to 5 pm.
• Registration URL: Announcements will be made when the registration form is open for registrations.
• The online registration form has to be filled and the certification exam fee needs to be paid. More details will be made available when the exam registration form is published. If there are any changes, it will be mentioned then.
• Please check the form for more details on the cities where the exams will be held, the conditions you agree to when you fill the form etc.
• Once again, thanks for your interest in our online courses and certification. Happy learning.

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NPTEL Cloud Computing Exam Experience

It all started when our college introduced us to a government-provided course that we could take for credits and grades if we passed. We decided to enroll, marking the beginning of our journey through exams. The course in question is the NPTEL course in Cloud Computing provided by IIT Kharagpur. It is almost 3 months long, including 12 weeks of class assignments and materials, all free of cost.

After three months, it was time for the certification exam registration, which cost Rs. 1000. After paying the fee, you fill out the form, select the exam center, and then appear for the exam.

For exam preparation, you can use the notes, materials in PPT format, and all the lecture videos available. From my experience, we didn’t study much for the exam and only had a few days to prepare. The one trick I can share is: “Prepare all the assignments.” Yes, prepare the weekly assignments (there are about 10 or 12 in total), because I can assure you that half of the exam questions come from the assignments. Due to time constraints, I only studied the assignment questions.

Upon reaching the exam center at the given time, you will still have 1 hour before the exam starts, so you can revise there too. The exam is 3 hours long with no negative marking, and you can leave after 1.5 hours if you finish and submit. When the exam began, I saw that, as expected, half of the questions were directly from the assignments. I finished the first 25 questions in just 5 minutes, and took my time with the remaining 25 questions over the next half hour.

After 1.5 hours, I was done with my exam and submitted it, hoping for a score above 70% with very little effort. With proper studying of the specific important topics, you need 40% from the exam and 25% from the assignments to pass. The certification categories range from gold to bronze level, and people of all age groups take the exam.

I received the silver medal, along with credits and grades from my college. This was my journey through the exam. I hope you liked it, and I hope you follow this advice. Good luck with your exams!

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NPTEL Software Testing ASSIGNMENT ANSWERS 2021

• by QuizXp Team
• August 5, 2021 October 20, 2021

NPTEL Software Testing This course will cover various techniques for test case design, as used for testing of software artifacts including requirements, design and code.

NPTEL Software Testing is a MOOC course offered by IIIT Bangalore on the NPTEL platform. We will discuss algorithms and techniques for test case design based on graphs, logic, the syntax of programming languages, and inputs. Special techniques for testing object-oriented features and web applications will also be discussed. The course is developed by Prof. Meenakshi D’souza is currently an Associate Professor at IIIT-Bangalore. Meenakshi did her Master’s TMs in Mathematics from the University of Madras, Chennai, and her Ph. D. in Theoretical Computer Science from The Institute of Mathematical Sciences, Chennai.

CRITERIA TO GET A CERTIFICATE

Students have to score Average assignment score = 25% of the average of the best 6 assignments out of the total 8 assignments given in the course. Exam score = 75% of the proctored certification exam score out of 100 Final scores = Average assignment score + Exam score

Students will be eligible for CERTIFICATE ONLY IF AVERAGE ASSIGNMENT SCORE >=10/25 AND EXAM SCORE >= 30/75. If any of the 2 criteria are not met, the student will not get the certificate even if the Final score >= 40/100.

NPTEL Software Testing ASSIGNMENT WEEK 12 ANSWERS:-

Q1. State true or false: Non-functional testing is done at all phases of testing during software development.

Q2. While sharing files over a common folder, suppose we provide access to read only or edit permissions to the users with which the files are shared, it represents testing for which feature?

Q3. While launching a website, suppose we test for the website permitting simultaneous login of 1 to 5000 users, then which testing does it represent?

Q4. While testing a home assistant software, reading through the trouble shooting online help represents which kind of testing?

Q5. State true or false: Load testing is done to find out and understand the upper limit capacity of the system under test and also to determine how the system performs if the current load goes well above the expected limit.

Q6. Which of the following parameters are considered in performance testing?

Q7. When is a test case for regression testing considered obsolete?

Q8. State true or false: Random testing and retest-all testing techniques are considered useful in regression testing.

Q9. Which of the following object-oriented data flow criterion does not consider inheritance and polymorphism?

Q10. In the testing of mobile applications, which of the following represents testing the application in different mobile phones, browsers, and for different languages?

NPTEL Software Testing ASSIGNMENT WEEK 11 ANSWERS:-

Q1. Which of the following is true about concolic testing?

Q2. What is the use of a constraint solver in symbolic testing?

All the best for the final exam if you want help for extra preparation, take our membership for better score in exam read more here:- Final Exam Membership

Q3. State true or false: Symbolic execution involving loops will always detect non-terminating loops.

Q4. State true or false: Symbolic execution can simultaneously take both the “true” and “false” execution paths for decision statements in a program

Q5. What are the two techniques used in the algorithm deployed by DART?

Q6. What is a stack used for in the DART algorithm?

Q7. How many decision points are there in the code fragment?

Q8. What will be the path constraint at line 1 of the code fragment such that no further execution happens?

Q9. What will be the path constraint to reach statement 6?

Q10. State yes or no: Is statement 6 reachable in the program fragment?

NPTEL Software Testing ASSIGNMENT WEEK 10 ANSWERS:-

Q1. Which of the following best represents the checking of static websites?

Q2. Which of the following is a typical example of a dynamic web page?

Q3. Which of the following best describes bypass testing?

Q4. Which of the following lists constraints that cannot typically be checked by just using HTML?

Q5. State true or false: Client-side test cases are designed such that the server can ignore the wrong inputs generated by clients.

Q6. Which of the following is a list of transitions between components in a component interaction model involved in server side testing?

Q7. Which of the following describes a fault in which an overriding method defines the same state variables that the overridden method defines but the computations by the two methods are not the same.

Q8. Which of the following defines the nodes of a yo-yo graph?

Q9. Which of the following best defines the edges of a yo-yo graph?

NPTEL Software Testing ASSIGNMENT WEEK 9 ANSWERS:-

Q1. Changing a method call min(a,b) to a call min(b,a) is an example of which kind of mutation operator for program integration testing?

Q2. Which of the following mutation operators represent moving an overidden method call up or down by one or two statements?

Q3. Which of the following integration mutation operator represents changing the order of arguments in method invocations

Q4. State true or false: While applying mutation operators for integration testing, both the callee and the caller methods are considered.

Q5. State yes or no: Is there a notion of killing of a mutant while applying mutation testing to inputs?

Q6. Which of the access levels in Java allows access with the same class and within different class but same package?

Q7. When the mutation operator of hiding variable deletion is applied, what does it cause in the ground string program?

Q8. Which options below have the two kinds of variables associated with a class?

Q9. State true or false: XML inputs to a program cannot be mutated as XML language is very complicated.

Q10. State true or false: Weak mutation testing subsumes node and edge cov- erage criteria in graphs based testing.

NPTEL Software Testing ASSIGNMENT WEEK 8 ANSWERS:-

Q1. Consider the regular expression ( a + b )∗⋅ c . Does the word abbabc belong to the language of this regular expression?

Q2. Consider the regular expression ( a + b )∗⋅ c once again. Which of the following describes the language corresponding to this regular expression?

Q3. In the syntax of a programming language, which of the following is used to define how tokens form phrases?

Q4. Which of the following best defines a mutant?

Q5. State true or false: Are mutants test cases?

Q6. Which of the following terms defines a mutant that can be killed by any test case?

Q7. With reference to the notion of killing a mutant, which of the following terms do not need propagation of the error?

Q8. When bomb() statement is used to replace a particular statement during mutation, which of the following describes its use?

Q9. What is the result of applying the mutation operator failOnZero()?

Q10. Replacing a statement of the form x := a+b ; with x:=a ; is an example of which kind of mutation operator?

NPTEL Software Testing ASSIGNMENT WEEK 7 ANSWERS:-

Q1. Test cases for black box testing are designed based on which of the follow- ing?

Q2. State true or false: All inputs from one partition of inputs in equivalence class partitioning will result in the same output when the program is run on them.

Q3. Which of the following techniques handle multiple inputs by considering different combinations of equivalence classes?

Q4. State true or false: In input space partitioning, both valid and invalid inputs need to be considered.

Q5. State yes or no: In input space partitioning, overlapping and missing partitions are allowed as long as they are values at the boundaries.

Q6. Why is Each Choice Coverage (ECC) considered to be a weak criterion?

Q7. Which of the following represents the total number of tests for all combinations coverage? In the options below, n is the number of partitions and Bi is the number of blocks in partition i .

Q8. State true or false: A test case for pair-wise coverage can cover more than one pair of values.

Q9. When does T -wise coverage criterion become the same as all combinations coverage criterion?

Q10. Which of the following represents a correct order of subsumption amongst coverage criteria for input space partitioning? In the options below read the symbol → as “subsumes”.

NPTEL Software Testing ASSIGNMENT WEEK 6 ANSWERS:-

Q1. Which of the following techniques are used to avoid using ACC criteria in logic based testing?

Q2. While generating logic-based test cases for guards in finite state machines, which of the following will an infeasible test requirement indicate?

Q3. The variable z in the second predicate can be re-written in terms of x and y. Which of the following represents the re-written second predicate?

Q4. State yes or no: Predicate coverage for the first predicate will also subsume predicate coverage for the second predicate.

Q5. How many test cases will be needed for clause coverage for the second predicate if we explicitly count the true and false values for each clause?

Q6. State true or false: The set of test case inputs {( x = 5, y = 3), ( x = 4, y = 6), ( x = 5, y = 6)} will satisfy clause coverage for the second predicate.

Q7. State yes or no: The set of test case inputs {( x = 5, y = 3), ( x = 4, y = 6), ( x = 5, y = 6)} will also satisfy predicate coverage for the first and second predicates.

Q8. How many test cases are needed for satisfying RACC for all the clauses for the second predicate?

Q9. State true or false: The set of test case inputs {( x = 4, y = 6), ( x = 6, y = 4), ( x = 4, y = 5)} satisfy RACC for the second predicate.

Q10. State true or false: RICC has no feasible pairs of test cases for the second predicate to be true.

NPTEL Software Testing ASSIGNMENT WEEK 5 ANSWERS:-

Q1. For a predicate with n clauses, how many test requirements suffice to achieve active clause coverage?

Q2. State true or false: Correlated ICC does not make sense as the major clause does not determine the predicate.

Q3. For a predicate p and a clause c in p , if pc evaluates to false, then which of the following holds true?

Q4. Which of the following represents a correct order of subsumption among logic coverage criteria? In the options below, read → as “subsumes’.

Q5. How many clauses are there in the predicate p

Q6. What is the value of p when a = b = d = True and c = False ?

Q7. For how many combinations of values of the various clauses, does the predicate p become false?

Q8. Which of the following is pa , the predicate under which clause a determines p ?

Q9. Which of the following is pc , the predicate under which clause c determines p ?

Q10. Which of the following sets represent the GACC pairs for clause a

NPTEL Software Testing ASSIGNMENT WEEK 4 ANSWERS:-

Q1. Which of the following is a graph model used for design integration testing?

Q2. In design integration, when a caller method m 1 calls a callee method m 2 , the variables from m 1 that are used in the call are called as . . . . . . . . . . . ..

Q3. In design integration, when two methods make queries and updates to an external database, which coupling definition does it represent?

Q4. A simple path from the last definition to the first use of a coupling variable is called as . . . . . . . . ..

Q5. State true or false: Are control flow graphs representing code the same as finite state machines that represent the same code.

Consider the graph below that depicts the calls to file handler methods open(), close(), read() and write(). Any procedure/method that uses these methods has to satisfy the following sequencing constraints: (1) An open(f) must be executed before every write(t), (2) An open(f) must be executed before every close(), (3) A write(f) may not be executed after a close() unless there is an open(f) in between, (4) A write(t) should be executed before every close().

Q6. Which of the following is true with reference to the graph satisfying the sequencing constraints?

Q7. State true or false: The path (1,4,5,7) satisfies constraint (4).

Q8. State true or false: The path (1,2,3,7) satisfies all the constraints.

Q9. State yes or no: Does the path (1,4,6,5,7) violate any of the constraints?

Q10. State true or false: The path (1,4,6,4,6,5,7) satisfies all the constraints.

NPTEL Software Testing ASSIGNMENT WEEK 3 ANSWERS:-

Q1. Consider a variable num of type float, i.e., it is a floating point number. Suppose a particular method has a statement if(log(num)) >= 0.72, will it be considered a definition of num or a use of  num ?

Q2. Consider a variable count of type int . Suppose there is a method that has a statement of the type count++ ;, which of the following statements are correct regarding the data flow definition of count ?

Q3. State true or false: For every variable in a particular program, every definition of a variable will always reach a use.

Q4. Which of the following best defines a du-path for a variable x

NOTE:- IF THERE IS ANY CHANGE IN ANSWERS OF NPTEL Software Testing assignment answers WILL UPDATE BEFORE LAST DATE AND NOTIFY ON TELEGRAM OR WHATSAPP. SO KINDLY JOIN US, CLICK ON BELOW IMAGE AND JOIN US.

Q5. State yes or no: We group du-paths with respect to a variable by its uses.

Q6. Which of the following properties should a side-trip taken to cover a du- path satisfy?

Q7. Is it true that prime paths coverage (a structural coverage criterion that we saw earlier) subsumes all-du-paths-coverage?

Q8. Which of the following statements are true when it comes to comparing traditional source code coverage criteria with graph based coverage criteria?

Q9. Which of the following defines a linearly independent path of eecution in a control flow graph?

Q10. State true or false: An algorithm for enumerating prime paths works by enumerating all simple paths in order of increasing length and stops when there are no more such paths.

NPTEL Software Testing ASSIGNMENT WEEK 2 ANSWERS:-

Q1. Which of the following best represents an edge e =( u , v ) being reachable in a graph?

Q2. A path that begins in one of the initial vertices and ends in a final vertex is called as . . . . . . . . ..

Q3. Different test cases can execute one single test path.

Q4. A structural coverage criterion on graph is described by which of the following terms?

Q5. How are test requirements defined and met in graphs-based structural coverage criteria?

Q6. There are test paths that achieve node coverage but not edge coverage.

Q7. Which of the following test paths achieve edge coverage?

Q8. State yes or no: The edge pair [3, 2, 3] is toured by the test path [1, 2, 3, 2, 4].

Q9. The test paths {[1, 2, 4], [1, 2, 3, 2, 3, 2, 4]} achieves which of the following coverage criteria?

Q10. State yes or no: The test path [1, 2, 3, 2, 4] achieves edge coverage.

NPTEL Software Testing ASSIGNMENT WEEK 1 ANSWERS:-

Answer:- C – with (h)

Answer:- D – with (j)

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Note:- We do not claim 100% surety of answers, these answers are based on our sole knowledge, and by posting these answers we are just trying to help students, so we urge do your assignment on your own.