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I am sharing my journey of studying a course on Programming in Java taught by Prof.Debasis Samanta Sir IIT Kharagpur

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Python code from week-3 to week-12 for the NPTEL course The Joy of Computing using Python

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this is a repo about the java program headed by Debasis Samantha during 2020

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Nptel Course Solution : Google Cloud Computing Foundations

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NPTEL Introduction to Programming in C Assignment 4 Question 1

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NPTEL Introduction To Internet Of Things Assignment 3 Answers 2023 (July- Oct)

In the fast-evolving landscape of technology, the Internet of Things (IoT) has emerged as a groundbreaking concept, revolutionizing how devices interact and communicate. The NPTEL Introduction To Internet Of Things Assignment 3 for 2023 (July-Oct) delves deep into the realm of IoT, focusing on Communication Protocols (Part III, IV, V) and Sensor Networks (Part I, II). This article is your comprehensive guide to mastering the concepts and acing the assignment.

NOTE:-  Answers will be updated shortly and it will be notified in our  Youtube & Telegram Group . So Join Now

Nptel introduction to internet of things assignment 3 answers 2023 (july-oct) includes communication protocols: part iii, part iv, part v, sensor networks: part i, part ii.

Exploring IoT Communication Protocols (Part III, IV, V)

IoT thrives on seamless communication between devices. Part III introduces you to the diverse landscape of communication protocols like MQTT, CoAP, and HTTP, each serving unique purposes. These protocols facilitate efficient data exchange, ensuring devices understand each other's languages. In Part IV, delve into the intricacies of MQTT (Message Queuing Telemetry Transport) - a lightweight yet robust protocol for low-bandwidth, high-latency networks. Part V unfolds the significance of CoAP (Constrained Application Protocol) and HTTP (Hypertext Transfer Protocol) in IoT, paving the way for effective device-to-device and device-to-cloud communication.

Navigating Sensor Networks in IoT (Part I, II)

Sensor Networks lie at the heart of IoT, enabling devices to gather real-time data. Part I embarks on the sensor's journey, explaining its types - from temperature and humidity sensors to motion and proximity sensors. You'll grasp how these sensors capture environmental data, fostering smarter decision-making. Part II ventures deeper into sensor networks' architecture, elucidating the roles of edge computing and cloud computing. Discover how sensors collaborate with gateways and platforms to process and utilize the collected data effectively.

Let's kickstart our journey by unraveling the solutions to NPTEL Introduction To Internet Of Things Assignment 3 for 2023 (July- Oct). This assignment encompasses various domains of IoT, testing your grasp of fundamental concepts and practical applications.

IoT Fundamentals and Applications

• Understanding the Building Blocks of IoT
• IoT Ecosystem and Components
• Wireless Sensor Networks in IoT
• Data Analytics and Interpretation in IoT
• Edge Computing: Enhancing IoT Efficiency

Exploring Connectivity Protocols: MQTT, CoAP, and HTTP

Bluetooth and BLE: Linking Devices Seamlessly

IoT Cloud Platforms: Managing Data Effectively

Security and Privacy in IoT

• Ensuring IoT Device Security
• Data Encryption and Secure Communication
• Mitigating IoT-Related Privacy Concerns

IoT in Real World: Case Studies

• Smart Cities: Revolutionizing Urban Living
• Industrial IoT (IIoT) Transforming Industries
• IoT in Healthcare: Enhancing Patient Care
• Agriculture IoT: Precision Farming for Sustainability

Important Links

Mastering the NPTEL Introduction To Internet Of Things Assignment 3 for 2023 (July- Oct) is a rewarding journey that equips you with profound insights into IoT technologies. This guide has illuminated the assignment's key areas, offered comprehensive solutions, and addressed common concerns. Embrace the challenges, expand your horizons, and relish the boundless opportunities that IoT presents.

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[Week 3] NPTEL Introduction To Internet Of Things Assignment Answers 2023

NPTEL Introduction To Internet Of Things Assignment 1 Answers

Table of Contents:-

NPTEL Introduction To Internet Of Things Week 3 Assignment Answers 2023

1. State whether the following statement is true or fal s e. Statement: Wired HART lacks a network layer. a. Tru e b. False

2. The HART physical layer is derived from _ protocol and operates only in _ __ GHz ISM band. a. IEEE 802.15.4, 2.4 b. IEEE 802.15.4, 4.8 c. IEEE 802.16.5, 4 . 8 d. None of these

3. State whether the following statement is True or False Statement: Super-frames in HART consist of grouped 2 0 ms wide timeslots. a. True b. False

4. _____ identifies channels consistently affe ct ed by interference and removes them from use. a. Channel hopping b. Channel aggregating c. Channel blacklisting d. Frequency aggregating

5. The _____ supervises each node in t h e network and guides them on when and where to send packets. a. Application manager b. Network manager c. Trust manager d. None of these

6. NFC is designed for use by devices within _ to each other? a. Close proximity b. No near conta c t c. Both (a) and (b) d. None of these

7. _____ __ contain in fo rmation which is readable by other devices, however it cannot read information itself. a. Active NFC devices b. Dumb NFC devices c. Passive NFC devices d. None of these

8. NFC devices work on the p r inciple of _______ ? a. Magnetic introduction b. Magnetic induction c. Both (a) and (b) d. None of these

9. Which of these is NOT a m ode of operation NFC? a. Server-to-Server b. Peer-to-Peer c. Read/Write d. Card emulation

10. State whether the following statement is true or false Statement: Paging in Bluetooth is the process of form i ng a connection between two Bluetooth devices. a. True b. False

11. There are __ modes of operation in Blu e tooth. a. 3 b. 4 c. 5 d. None of these

12. Zwave uses __ for signaling and cont r ol? a. Light b. RF c. Sound d. None of these

13. Which of the following is/are not a const r aint on sensor nodes? a. Must consume high power b. Not be adaptive to the environment c. Both (a) and (b) d. None of these

14. _____ _ are simply those that are unable to perform an o p eration; this could be because of power failure and environmental events. a. Normal nodes b. Failed nodes c. Badly failed nodes d. None of these

15. Dumb behavior of sensor nodes is ___ in nature (as it is dependent on t h e effects of the environmental conditions). a. Temporal b. Spatial c. Both (a) a n d (b) d. None of these

NPTEL Introduction To Internet Of Things Week 2 Assignment Answers 2023

1. The full form of MQTT is a. Message Queue Telemetry Transport b. Message Query Telemetry Tran s port c. Message Queue Telemedicine Transport d. None of these

2. I n MQTT, a ________________ controls the publish-subscribe messaging pattern. a. Publishers b. Message Broker c. Subscribers d. All of these

3. Which of the follow i ng i s NOT a component of MQTT? a. Publishers b. Users c. Brokers d. None of these

4. ______________ is an extension of MQTT which uses lightwei g ht attribute based encryption. It has ___________ main stages. a. SMQTT, three b. BMQTT, three c. SMQTT, f o ur d. None of these

5. Which of the following is based o n Request-Response m odel between end-points? a. MQTT b. CoAP c. Both (a) and (b) d. Neither (a) nor (b)

6. The two sub-layers of CoAP are – a. Messaging and Hol d ing b. Messaging and B a ckoff c. Messaging and Teardown d. Messaging and Request/response

7. Which of the following is used for real-time e xchange of structured data? a. MQTT b. SMQTT c. X MPP d. CoAP

8. XMPP uses the _ _ ______________ architecture. a. Publish-subscribe b. Client-serverc. Both (a ) and (b) d. Neither (a) nor (b)

9. With respect to AMQP, which of the follo w ing message delivery guarantees allow for each message to be delivered certainly as well as to be delivered multiple times. a. At-least-once b. At-most-once c. Exactly-on c e d. Both (a) and (b)

10. Which of the following is/are NOT an AMQP frame type? a. Open b. Close c. End d. None of these

11. Which of the following is/are NOT t h e function/functions of the Bindings component of the AMQP protocol? a. Receives messages and routes them to queues b. Separate queues for separate business process c. Consumer receive messages from queues d. All of these

12. Which of the following is/are NOT exchange types in AMQP? a. Direct b. Indirect c. Fan-out d. Topic

13. State whether the following statement is True or False. Statement: The IE E E 802.15.4 is a well-known standard for low data-rate Wireless Personal Area Network (WPAN). a. True b. False

14. The networking topologies supported in the IEEE 802.15.4 are – a. Only Star b. Star and Mesh c. Only Mesh d. None of these

15. State whether the following statement is True or False. Statement: Periodic transmission of beacon messages does not occur in beacon enabled networks (IEEE 802 .1 5.4). a. False b. True

NPTEL Introduction To Internet Of Things Week 1 Assignment Answers 2023

1. Which of the following are the enablers of IoT?

• b. Nanotechnol o gy
• d. All of the these

2. Which of the following is/are NOT a characteristic of IoT?

a. Efficient, scalable and associated architecture. b. Ambiguous naming and addressing. c. Abundance of sleeping nodes, mobile and non-IP devices. d. None of these

3. State whether the following statement is True or False.

 Statement: The increasing number of devic e s in IoT is expected to result in an address crunch.

a. True b. False

4. State whether the following statement is True or False.

 Statement: The gateway has a unique network prefix, which can be used to identify them globally.

5. Sometimes, when there is a need for the nodes to communicate directly to the Internet, ______________ can be used.

a. Sensors b. Actuators c. Tunneling d. None of these

6. In _______________ a node/network is connected to multiple networks for improved reliability.

a. Transparent roaming b. Multi-homing c. None of these d. Both (a) and (b)

7. The IPv6 notation uses ___________________ values.

a. Roman b. Hexadecimal c. Both (a) and (b) d. None of these

8. A _____________ detects (senses) cha n ges in the ambient conditions or in the state of another device or a system, and forwards or processes this information in a certain manner.

a. Sensor b. Actuator c. Both (a) and (b) d. None of these

9. A microphone is an example of an _____________.

a. Input device and actuator b. Only actuator c. Only Transducer d. Input device and transducer

10. The ________________ of a sensor is the s mallest change it can detect in the quantity that it is measuring.

a. Resolution b. Bias c. Noise d. None of these

11. Based on the data type, sensors are classified as _______________________.

a. Scalar and Vector/Multimedia b. Only scalar c. Both (a) a n d (b) d. Only vector

12. Solenoid valve is an example of ______________________.

a. Sensor b. Actuator c. Processing unit d. None of these

13. An actuator requires a ______________________ and ______________________.

a. Control signal and a bias signal b. Control signal and a source o f energy c. Noise signal and a source of energy d. None of these

14. State whether the following statement is True or False.

 Statement: Pneumatic rack and pinion actuators are used for valve controls of water pipes.

15. Which of the following is NOT a function of an IoT gateway?

a. Switching b. Routi n g c. Protocol conversion d. Generating noise

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Category: NPTEL

Introduction to internet of things week 11, introduction to industry 4.0 and industrial internet of things | week 11, the joy of computing using python | week 11, quantum mechanics 1 | week 11, programming in modern c++ | week 11, programming in java | week 11, leadership and team effectiveness | week 11, introduction to machine learning | week 11, cloud computing | week 11, blockchain and its applications | week 11.

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Dear Candidate, Here is a golden opportunity for those who had previously enrolled in this course, but could not participate in the exams or were absent/did not pass the exam for this course. This course is being reoffered in Jan 2023 and we are giving you another chance to write the exam in April 2023 and obtain a certificate based on NPTEL norms. Do not let go of this unique opportunity to earn a certificate from the IITs/IISc.   IMPORTANT instructions for learners - Please read this carefully     1. The exam date for this course: April 30,2023 2. CLICK HERE to register for the exam. Please fill the exam form using the same Enrolled email id & make fee payment via the form, as before. 3.Choose from the Cities where the exam will be conducted:  Exam Cities 4. You DO NOT have to re-enroll in the courses if you have enough assignment scores in the previous immediate semester when the course was run to obtain a certificate.  5. 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Ethical Hacking : Result Published!

Dear Candidate, The exam scores and E Certificates have been released for April 2022 Exam(s). Step 1 - Are the results of my courses released? Please check the Results published courses list in the below links.:- April 2022 Exam - Click here Step 2 - How to check Results? Please login to internalapp.nptel.ac.in/ . and check your exam results. Use the same login credentials as used to register to the exam. What's next? Please read the pass criteria carefully and check against what you have gotten. If you still have any issues, please report the same here. internalapp.nptel.ac.in/ . We will reply within a week. Last date to report queries: 3 days within publishing of scores. Note : Hard copies of certificates will not be dispatched. The duration shown in the certificate will be based on the timeline of offering of the course in 2022, irrespective of which Assignment score that will be considered. Thanks and Best wishes. NPTEL Team

Ethical Hacking : Final Feedback Form

Dear student, We are glad that you have attended the NPTEL online certification course. We hope you found the NPTEL Online course useful and have started using NPTEL extensively. In this regard, we would like to have feedback from you regarding our course and whether there are any improvements, you would like to suggest.   We are enclosing an online feedback form and would request you to spare some of your valuable time to input your observations. Your esteemed input will help us in serving you better. The link to give your feedback is: https://docs.google.com/forms/d/1qmJO1CIVPaxUQydUvVSg5eIAp7KFDj6bmModjzyrqU4/viewform We thank you for your valuable time and feedback. Thanks & Regards, -NPTEL Team

Ethical Hacking : Assignment re-evaluation

Dear Students, There is a mistake in assignment 12 question no 2 & also there is a change in answer in assignment 12 question no 6 . Hence these questions are not considered for evaluation. The re-evaluation has been done. The updated score is displayed under Progress tab. Sorry for the inconvenience. -NPTEL Team

NPTEL April Exams

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_NPTEL Team

Ethical Hacking - Assignment- 12 Solution Released

Dear Participants, The  Assignment- 12  of  Week- 12  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 12 solution:  https://drive.google.com/file/d/1mQC1BkB-djKepdxTZuqEBTkePIlQuNEZ/view?usp=sharing Happy Learning! Thanks & Regards, NPTEL Team 

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Regards NPTEL Team

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Ethical Hacking - Week 11 Feedback Form

Thank you for enrolling in this NPTEL course and we hope you have gone through the contents for this week and also attempted the assignment.

We value your feedback and wish to know how you found the videos and the questions asked - whether they were easy, difficult, as per your expectations, etc

We shall use this to make the course better and we can also know from the feedback which concepts need more explanation, etc.

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Ethical Hacking - Assignment- 11 Solution Released

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Ethical Hacking - Week 12 Feedback Form

Ethical hacking - week 12 is live now.

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The lecture videos for Week 12 have been uploaded for the course Ethical Hacking . The lectures can be accessed using the following link: https://onlinecourses.nptel.ac.in/noc22_cs13/unit?unit=94&lesson=95

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Ethical Hacking : Assignment 2 question no 9

 Dear Students, There is change in answers in assignment 2 question no 9. The re-evaluation will be done shortly. The updated score will be displayed under Progress tab after re-evaluation. Sorry for the inconvenience. -NPTEL Team

Ethical Hacking : Assignment 8 question no 6

Dear Students, There is change in answers in assignment 8 question no 6. The re-evaluation will be done shortly. The updated score will be displayed under Progress tab after re-evaluation. Sorry for the inconvenience. -NPTEL Team

Ethical Hacking - Assignment- 10 Solution Released

Dear Participants, The  Assignment- 10  of  Week- 10  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 10 solution:  https://drive.google.com/file/d/1btaZBVIB4fdcN1m8K2fb8j91hbG0Lp88/view?usp=sharing Happy Learning! Thanks & Regards, NPTEL Team 

Reg: Assignment 11 Due Date Extended!!

Ethical hacking - week 11 is live now.

The lecture videos for Week 11 have been uploaded for the course Ethical Hacking . The lectures can be accessed using the following link: https://onlinecourses.nptel.ac.in/noc22_cs13/unit?unit=85&lesson=86

Assignment 11 for Week 11 is also released and can be accessed from the following link: https://onlinecourses.nptel.ac.in/noc22_cs13/unit?unit=85&assessment=163 The assignment has to be submitted on or before Wednesday, 13-04-2022 , 23:59 IST.

Ethical Hacking - Week 10 Feedback Form

Ethical hacking - assignment- 9 solution released.

Dear Participants, The  Assignment- 9  of  Week- 9  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 9 solution:  https://drive.google.com/file/d/1thgFrk4uNUdQADc3QLni8peH3STZELhH/view?usp=sharing Happy Learning! Thanks & Regards, NPTEL Team 

Exam Format - April 23, 2022

Dear Candidate, ****This is applicable only for the exam registered candidates**** Type of exam will be available in the list: Click Here You will have to appear at the allotted exam center and produce your Hall ticket and Government Photo Identification Card (Example: Driving License, Passport, PAN card, Voter ID, Aadhaar-ID with your Name, date of birth, photograph and signature) for verification and take the exam in person.  You can find the final allotted exam center details in the hall ticket. The hall ticket is yet to be released . We will notify the same through email and SMS. Type of exam: Computer based exam (Please check in the above list corresponding to your course name) The questions will be on the computer and the answers will have to be entered on the computer; type of questions may include multiple choice questions, fill in the blanks, essay-type answers, etc. Type of exam: Paper and pen Exam  (Please check in the above list corresponding to your course name) The questions will be on the computer. You will have to write your answers on sheets of paper and submit the answer sheets. Papers will be sent to the faculty for evaluation. On-Screen Calculator Demo Link: Kindly use the below link to get an idea of how the On-screen calculator will work during the exam. https://tcsion.com/ OnlineAssessment/ ScientificCalculator/ Calculator.html NOTE: Physical calculators are not allowed inside the exam hall. -NPTEL Team

Ethical Hacking - Week 10 is live now!!

The lecture videos for Week 10 have been uploaded for the course Ethical Hacking . The lectures can be accessed using the following link: https://onlinecourses.nptel.ac.in/noc22_cs13/unit?unit=77&lesson=78

Assignment 10 for Week 10 is also released and can be accessed from the following link: https://onlinecourses.nptel.ac.in/noc22_cs13/unit?unit=77&assessment=158 The assignment has to be submitted on or before Wednesday, 06-04-2022 , 23:59 IST.

Ethical Hacking - Assignment- 8 Solution Released

Dear Participants, The  Assignment- 8  of  Week- 8  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 8 solution:  https://drive.google.com/file/d/1qaDEhAaVA29jpvGnfx_P1ZKlh1CW0U9-/view?usp=sharing Happy Learning! Thanks & Regards, NPTEL Team 

Ethical Hacking - Week 9 Feedback Form

Ethical hacking - week 8 feedback form, ethical hacking - week 9 is live now.

The lecture videos for Week 9 have been uploaded for the course Ethical Hacking . The lectures can be accessed using the following link: https://onlinecourses.nptel.ac.in/noc22_cs13/unit?unit=69&lesson=70

Assignment 9 for Week 9 is also released and can be accessed from the following link: https://onlinecourses.nptel.ac.in/noc22_cs13/unit?unit=69&assessment=157 The assignment has to be submitted on or before Wednesday,30-03-2022 , 23:59 IST.

Ethical Hacking - Assignment- 7 Solution Released

Dear Participants, The  Assignment- 7  of  Week- 7  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 7 solution:  https://drive.google.com/file/d/1OB1YC9POvxnu4nlj2RL2fihLJI-hIrZL/view?usp=sharing Happy Learning! Thanks & Regards, NPTEL Team 

Ethical Hacking - Week 8 is live now!!

The lecture videos for Week 8 have been uploaded for the course Ethical Hacking . The lectures can be accessed using the following link: https://onlinecourses.nptel.ac.in/noc22_cs13/unit?unit=61&lesson=62

Assignment 8 for Week 8 is also released and can be accessed from the following link: https://onlinecourses.nptel.ac.in/noc22_cs13/unit?unit=61&assessment=151 The assignment has to be submitted on or before Wednesday,23-03-2022 , 23:59 IST.

Ethical Hacking - Assignment- 6 Solution Released

Dear Participants, The  Assignment- 6  of  Week- 6  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 6 solution:  https://drive.google.com/file/d/1IiqlR-RCo30Lbk28oLE8lwwG2AI72Kd_/view?usp=sharing Happy Learning! Thanks & Regards, NPTEL Team 

Ethical Hacking - Week 7 Feedback Form

Ethical hacking - week 7 is live now.

The lecture videos for Week 7 have been uploaded for the course Ethical Hacking . The lectures can be accessed using the following link: https://onlinecourses.nptel.ac.in/noc22_cs13/unit?unit=53&lesson=54

Assignment 7 for Week 7 is also released and can be accessed from the following link: https://onlinecourses.nptel.ac.in/noc22_cs13/unit?unit=53&assessment=150 The assignment has to be submitted on or before Wednesday,16-03-2022 , 23:59 IST.

Ethical Hacking - Week 6 Feedback Form

Ethical hacking - assignment- 5 solution released.

Dear Participants, The  Assignment- 5  of  Week- 5  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 5 solution:  https://drive.google.com/file/d/1l8ZwmyHiw5XwTSJcXt-wkPglVtDvaOb7/view?usp=sharing Happy Learning! Thanks & Regards, NPTEL Team 

Ethical Hacking - Download video links are available now!!

The download video links for the course Ethical Hacking are available now in the course outline. Please check the download video link: https://nptel.ac.in/courses/106105217

-NPTEL Team

Ethical Hacking - Assignment- 4 Solution Released

Dear Participants, The  Assignment- 4  of  Week- 4  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 4 solution:  https://drive.google.com/file/d/1-EXPBDk2F2-c1GPhVw0HBF71pOhEKIg_/view?usp=sharing Happy Learning! Thanks & Regards, NPTEL Team 

Ethical Hacking - Week 5 Feedback Form

Ethical hacking - week 6 is live now.

The lecture videos for Week 6 have been uploaded for the course Ethical Hacking . The lectures can be accessed using the following link: https://onlinecourses.nptel.ac.in/noc22_cs13/unit?unit=45&lesson=46

Assignment 6 for Week 6 is also released and can be accessed from the following link: https://onlinecourses.nptel.ac.in/noc22_cs13/unit?unit=45&assessment=149 The assignment has to be submitted on or before Wednesday,09-03-2022 , 23:59 IST.

Ethical Hacking - Week 4 Feedback Form

Ethical hacking - week 5 is live now.

The lecture videos for Week 5 have been uploaded for the course Ethical Hacking . The lectures can be accessed using the following link: https://onlinecourses.nptel.ac.in/noc22_cs13/unit?unit=38&lesson=39

Assignment 5 for Week 5 is also released and can be accessed from the following link: https://onlinecourses.nptel.ac.in/noc22_cs13/unit?unit=38&assessment=148 The assignment has to be submitted on or before Wednesday,02-03-2022 , 23:59 IST.

Ethical Hacking - Assignment- 3 Solution Released

Dear Participants, The  Assignment- 3  of  Week- 3  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 3 solution:  https://drive.google.com/file/d/1NAONs5pJYwvgDQkkZsXpWv90e8Wt0qqn/view?usp=sharing Happy Learning! Thanks & Regards, NPTEL Team 

Ethical Hacking - Week 3 Feedback Form

Ethical hacking - week 4 is live now.

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/noc22_cs13/unit?unit=30&lesson=31

Assignment 4 for Week 4 is also released and can be accessed from the following link: https://onlinecourses.nptel.ac.in/noc22_cs13/unit?unit=30&assessment=140 The assignment has to be submitted on or before Wednesday,23-02-2022 , 23:59 IST.

Ethical Hacking - Assignment- 1 Solution Released

Dear Participants, The  Assignment- 1  of  Week- 1 &  Assignment- 2  of  Week- 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 1 solution:   h ttps://drive.google.com/file/d/1o3wgRGWA7sdXSQ0hEVcUg0z8S0WVYq60/view?usp=sharing Link for assignment 2 solution:  https://drive.google.com/file/d/1wG3xl332RpTieaPBANbKzaVo9m100CkS/view?usp=sharing Happy Learning! Thanks & Regards, NPTEL Team 

Assignments for Week 1 & 2 due on Feb 9 2022 !!

Dear Learner, Assignments for Week 1 & 2 are open for submission .The last date for submission is Feb 9 2022 IST 23:59 . If you have not submitted the assignments ,kindly submit the same before the due date. -NPTEL Team.

Ethical Hacking - Week 3 is live now!!

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/noc22_cs13/unit?unit=22&lesson=23

Assignment 3 for Week 3 is also released and can be accessed from the following link: https://onlinecourses.nptel.ac.in/noc22_cs13/unit?unit=22&assessment=137 The assignment has to be submitted on or before Wednesday,16-02-2022 , 23:59 IST.

Ethical Hacking - Week 2 Feedback Form

Ethical hacking - week 2 is live now.

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/noc22_cs13/unit?unit=14&lesson=15

Assignment 2 for Week 2 is also released and can be accessed from the following link: https://onlinecourses.nptel.ac.in/noc22_cs13/unit?unit=14&assessment=136 The assignment has to be submitted on or before Wednesday,09-02-2022 , 23:59 IST.

Ethical Hacking - Assignment- 0 Solution Released

Dear Participants, The  Assignment- 0  of  Week- 0  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/1xTdU2Dn1bQHEPCYrlyyX6SDzCYj3baX2/view Happy Learning! Thanks & Regards, NPTEL Team 

Ethical Hacking - Week 1 Feedback Form

Here is the link to the form: https://docs.google.com/forms/d/1FNa3Xvp7Ask67irKjxLQjUNLML47m2iuAzKqAkqN8mc/viewform

Attention: Regarding the Social media Groups

Dear Learners, The discussion forum, which is embedded on the course portal,  is the only authentic medium to communicate regarding this course . This Forum is monitored by the Faculty coordinator and team and on which we will respond. NPTEL is NOT responsible for any whatsapp group or any other group created in any social media platform.  Request the learners to refrain from sharing phone numbers and other details which may be misused as this is a public group and this information is available to all members in this group. This kind of activity is strictly prohibited and NPTEL will not be responsible for misuse of any such information. All the best, Happy Learning! -NPTEL Team

Ethical Hacking - Week 1 is live now!!

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/noc22_cs13/unit?unit=6&lesson=7

Assignment 1 for Week 1 is also released and can be accessed from the following link: https://onlinecourses.nptel.ac.in/noc22_cs13/unit?unit=6&assessment=135 The assignment has to be submitted on or before Wednesday,09-02-2022 , 23:59 IST.

NPTEL: Exam Registration is open now for Jan 2022 courses!

Dear Learner, 

Here is the much-awaited announcement on registering for the Jan 2022 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: April 23, 2022

CLICK HERE to register for the exam.

Choose from the Cities where exam will be conducted: Exam Cities

4. Exam fees: 

If you register for the exam and pay before March 14, 2022, 10:00 AM, Exam fees will be Rs. 1000/- per exam . 

If you register for exam before March 14, 2022, 10:00 AM and have not paid or if you register between March 14, 2022, 10:00 AM & March 18, 2022, 10:00 AM, Exam fees will be Rs. 1500/- 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: March 18, 2022 10:00 AM (Friday). 

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

8. 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. 

9. 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. 

10. Data changes: 

Last date for data changes: March 18, 2022 10:00 AM :  

All the fields in the Exam form except for the following ones can be changed until the form closes. 

The following 6 fields can be changed ONLY when there are NO courses in the course cart. And you will be able to edit the following 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. 

11. LAST DATE FOR CANCELLING EXAMS and getting a refund: March 18, 2022 10:00 AM  

12. 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/noc/Domain/discipline.html

Thanks & Regards, 

Ethical Hacking - Assignment-0-RELEASED

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 before the due date. All the best !!    

Ethical Hacking: Welcome to NPTEL Online Course - Jan 2022!!

• 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: April 23, 2022 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 Data Science for Engineers Assignment 3 Answers 2023

NPTEL Data Science for Engineers Assignment 3 Answers 2023?  In this article we will discuss about the answers for Week 3 assignment of Data science for Engineers. All these answers are make it as reference.  

Also Read: Nptel Data science for engineers Assignment 2 Answers

About NPTEL 

Nptel data science for engineers assignment 3 answers 2023 .

Q1.  Sumit wants to contact one of his friends, but he remembers only the first 9 of the 10 digits of 

       the contact number. He is sure that the last digit of the contact number is an odd number. 

      He selects an odd number randomly. If the random variable X denotes the last digit of the 

      contact number, then calculate Var(X). 

 d. None of the above

 Answer: [ b ] 8

Q2.  Suppose X∼Normal(µ,4). For n=20  iid samples of X , the observed sample mean is 5.2. 

       What conclusion would a z-test reach if the null hypothesis assumes µ=5

       (against an alternative hypothesis µ≠5 ) at a significance level of α=0.05 ? 

  Use F−1z(0.025)=−1.9599 

a. Accept Ho

b. Reject Ho

Answer: [ a ] Accept Ho

Q3.  A box contains 8 items out of which 2 are defective. A sample of 5 items is to be 

      selected randomly (without replacement) from the box. If the random variable X

      represents the number of defective items in a selection of 5 items, then find E(X).

     (Enter the answer correct to 2 decimal places)

Answer: [ a ] 1.25

Q4.  Suppose X∼Normal(μ,9). For n=100 iid samples of X, the observed sample mean is 11.8. 

      What conclusion would a z-test reach if the null hypothesis assumes μ=10.5

     (against an alternative hypothesis μ≠10.5)?   

a. Accept Ho at a Significance level of 0.10

b. Reject Ho at a Significance level of 0.10

c. Accept Ho at a Significance level of 0.05

d. Reject Ho at a Significance level of 0.05 

Answer: [ b , d ]  Reject Ho at a Significance level of 0.10 , Reject Ho at a Significance level of 0.05 

Q5. Let X and Y  be two independent random variables with Var(X)=9 and Var(Y)=3, 

       find Var(4X−2Y+6).

d. None of the above

Answer: [ c ] 156

Q6. The correlation coefficient of two random variable X and Y is 14, their variance is given by 

       3 and 5. Compute Cov(X,Y).

Answer: [ d ] None of the above

Q7. When you reject the Null hypothesis ?

a. p value greater than α

b. p value less than α

c. p value equal than α

Answer: [ b ] p value less than α 

Q8.  A sample of N observations are independently drawn from a normal distribution. 

      The sample variance follows

a. Normal Distribution

b. Chi-square with N degrees of freedom

c. Chi-square with N−1 degrees of freedom

d. t distribution with N−1 degrees of freedom

Answer: [ c ] Chi-square with N−1 degrees of freedom.

Q9. A car manufacturer purchases car batteries from two different suppliers. Supplier provides

      55% of the batteries and supplier Y provides the rest. 5% of all batteries from supplier X

     are defective and 4% of all batteries from supplier Y are defective. You select a battery from 

     the bulk and you found it to be defective. What is the probability that it is from Supplier X ?

Answer: [ c ] 0.0275

Q10.  Which one of the following is best measure of central tendency for categorical data?

Answer: [ c ] Mode

Also Read:  Nptel Data science for engineers Assignment 2 Answers  

Conclusion:

One Comment Please !

Kindly share the solutions as well :)

Thank you Wick, from next assignment onwards i try to provide solutions also.

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Programming in Modern C++ | NPTEL 2023 | Week 3 Assignment Solutions

This set of MCQ(multiple choice questions) will help you with the answers of  Programming in Modern C++ NPTEL 2023 Week 3 Assignment Solutions .

Programming in C++ is so fundamental that all companies dealing with systems as well as application development (including web, IoT, embedded systems) have a need for the same. These include – Microsoft, Samsung, Xerox, Yahoo, Oracle, Google, IBM, TCS, Infosys, Amazon, Flipkart, etc. This course would help industry developers to be up-to-date with the advances in C++ so that they can remain at the state-of-the-art.

Course layout (Answers link)

Answers COMING SOON! Kindly Wait!

Week 0: Assignment answers Week 1:  Programming in C++ is Fun Week 2: C++ as Better C. Week 3: OOP in C++. Week 4: OOP in C++.  Week 5:  Inheritance. Week 6: Polymorphism.   Week 7:  Type Casting . Week 8:  Exceptions and Templates. Week 9:  Streams and STL Week 10: Modern C++ Week 11: Lambda and Concurrency. Week 12: Move, Rvalue and STL Containers.

NOTE:  You can check your answer immediately by clicking show answer button. This set of “ Programming in Modern C++ NPTEL 2023 Week 3 Assignment Solution” contains 09 questions.

Now, start attempting the quiz.

Programming in Modern C++ NPTEL 2023 Week 3 Assignment Solutions

Q1. What will be the output/error?

a) Compilation error at LINE-1 b) s s2 s s4 c) s s2 s4 d) s2 s4

Q2. What will be the output?

a) 3 4 b) 15 16 c) 9 10 d) 4 5

Q3. Which line/s will generate compilation error/s?

a) LINE-1 b) LINE-2 c) LINE-3 d) LINE-4

Answer: a), b)

Q4. What will be the output?

a) 02020202 b) 0202 c) 0222 d) 0002

Q5. What is the type of this pointer associated with the object c?

a) const Check* this b) Check* const this c) Check const* const this d) const Check* const this

Answer: c), d)

Programming in Modern C++ NPTEL Week 3 Assignment Solutions

Q6. What will be the output/error?

a) 0 b) K c) 0K d) Compilation error: call of overload Test() is ambiguous

Q7. What will be the output/error?

a) 10 20 b) 20 50 c) Compilation Error: lvalue required as left operand of assignment d) Compilation Error: private data members are inaccessible

Q8. What will be the output/error?

a) 0 b) 5 c) 6 d) Compilation error: assignment of member ‘Data::_d’ in read-only object

Q9. Fill in the blank at LINE-1 so that the program will print 2.

a) ++x b) ++this->x c) x++ d) ++this.x

Q1. Which line/s will generate an error?

Q2. Fill in the blanks with proper access specifiers so that member y can be accessed from outside of the class but member x cannot be accessed.

a) public, public b) public, private c) private, public d) private, private

Answer: c) private, public

Q3. What will be the output/error?

a) 1st b) 2nd c) 1st 2nd d) Compilation Error: call of overloaded ‘myClass()’ is ambiguous

Answer: d) Compilation Error: call of overloaded ‘myClass()’ is ambiguous

a) 1 2 b) 3 1 c) 2 3 d) 3 4

Answer: c) 2 3

Q5. Fill in the blank at LINE-1 so that the program will print fun is coding.

a) *lstr, *mstr, *fstr b) *mstr, *fstr, *lstr c) *lstr, *fstr, *mstr d) *fstr, *lstr, *mstr

Answer: a) *lstr, *mstr, *fstr

Programming in Modern C++ NPTEL Week 3 Assignment Answers

Q6. What will be the output?

a) 2 7 b) 0 0 c) Compilation error: no default constructor d) Compilation error: constructor is private

Answer: d) Compilation error: constructor is private

a) 10 20 b) 20 50 c) Compilation Error: lvalue required as left operand of assignment d) Compilation Error: private data members are incaccessible

Answer: c) Compilation Error: lvalue required as left operand of assignment

Q8. What wil be the output/error?

a) 1st b) 2nd c) 1st 2nd d) Compilation error: conversion from ‘int’ to ‘Test’ is ambiguous

Answer: d) Compilation error: conversion from ‘int’ to ‘Test’ is ambiguous

Q9. Fill in the blank at LINE-1 such that the program will print 5.

a) int b) const int c) mutable int d) int mutable

Programming in Modern C++ NPTEL 2022 Week 3 Assignment Solutions

a) D E F b) B C D c) B C D E F d) D E F G H I J K

<< Prev- Programming in Modern C++ Week 2 Assignment Solutions

>> Next- Programming in Modern C++ Week 4 Assignment Solutions

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For discussion about any question, join the below comment section. And get the solution of your query. Also, try to share your thoughts about the topics covered in this particular quiz.

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C++ mcq : c++ basics-(multiple choice question), c++ mcq : c++ variables (multiple choice questions), c++ mcq : c++ keywords (multiple choice questions), c++ mcq : c++ data types (multiple choice questions), c++ mcq : c++ constants (multiple choice questions), c++ mcq : c++ pointers (multiple choice questions).

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Nptel probability and statistics week 3 quiz assignment answers 2023.

I have provided probable answers for all 10 quiz questions for week 3’s assignment. I encourage you to utilize these hints as a guide and complete the assignment before the deadline for submission.

NPTEL Probability and Statistics Week 3 Quiz Assignment Answers

Q1. A random variable X has a discrete uniform distribution on the integers 0 through 9. Determine 9X the standard deviation of the random variable Y = 9X/2

Answer: (C) 12.9253

Q2. Let X be a continuous random variable with the pdf f(x) = (1, 0 < x < 1 and 0, otherwise Suppose Y = -2 log(X). Then find E(Y) and Median (Y).

Answer: (A) 2,2log 2

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Q3.In a manufacturing process, the probability, that a produced item is defective, is 0.05. What is the probability that out of nine successively produced items, only one is defective?

Answer: (C) 9* (0.95)6* (0.05)

Q4.The number of messages sent per hour over a computer network has the following distribution:

Determine the standard deviation of the number of messages sent per hour.

Answer: (D) 1.36

Q5) Since not all airline passengers show up for their reserved seat, an airline sells 122 tickets for a flight that can accommodate only 120 passengers. The probability that a passenger does not show up is 0.10, and the passengers behave independently. What is the probability that every passenger who shows up can take the flight?

Answer: (D) 0.9999

Q6.A large car showroom has 1000 cars on display. It is known that 50 cars have some defects. If quality inspector checks randomly 20 cars what is the mean and variance of the number of cars found defective during inspection.

Answer: (B) (1,0.932)

Q7.Suppose f(x) be a pdf of the form f(x) = ke^-1/2|x-2|; -∞ < x < ∞, then what is the value of k?

Answer: (B) 1/4

Q8.In a clinical study, volunteers are tested for a gene that has been found to increase the risk for a disease. The probability that a person carries the gene is 0.15. What is the probability that four or more people will have to be tested before two with the gene are detected?

Answer: (C) 0.04876

Q9.A fair dice is rolled repeatedly. What is the probability that a 3 will show up before a 5 or 6??

Answer: (D) 1/3.

Q10. Assume that each of your calls to a popular radio station has a probability of 0.03 of connecting. that is, of not obtaining a busy signal. Assume that your calls are independent. What is the mean number of calls needed to connect?

Answer: (A) 100/3

Disclaimer: It is imperative to note that the responses provided here are solely for educational reference purposes. This platform does not guarantee the accuracy of the answers, hence it is strongly recommended to undertake your assignments independently.

Also Check:

Probability And Statistics Nptel Week 2

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NPTEL Stress Management Assignment 3 Answers 2023

• by QuizXp Team
• September 13, 2023 September 13, 2023

Hello learners In this article we are going to discuss NPTEL Stress Management Assignment 3 Answers . All the Answers provided below to help the students as a reference, You must submit your assignment with your own knowledge and use this article as reference only.

About the course:-

The course aims at equipping participants to be able to use python programming for solving data science problems.

NPTEL Stress Management Assignment 3 Answers 2023:

1. The same situation can be stressful for one while enhancing for another.

2. STAI is a test to measure:

3. MCMI III is developed by :

4. Forced Choice Scale was developed by Rotter in 1966 to measure:

5. What is the difference between stress and anxiety?

6. The model of anxiety given by Padesky includes sympathetic activation:

7. Cognitive biases are distortions that affect interpretations of events in a way that is consistent with the content of dysfunctional schemas.

8. To improve planning strategies, one can:

9. What is assertiveness?

10. “I count and you too count”…..is what type of statement?