NPTEL Internet of Things Assignment Week 7 PDF

NPTEL Online Certification Courses Indian Institute of Technology Kharagpur Introduction to Internet of Things Assignment-Week 7...

NPTEL Online Certification Courses Indian Institute of Technology Kharagpur Introduction to Internet of Things Assignment-Week 7 TYPE OF QUESTION: MCQ/MSQ Number of questions: 15 Total marks: 15 X 1= 15 QUESTION 1: Adafruit provides a library to work with DHT22 Sensor. a. True b. False Correct Answer: a. True Detailed Solution: Adafruit provides a library to work with DHT22 Sensor. (Please refer to lecture Implementation of IoT with Raspberry Pi- II @ 4:41) QUESTION 2: Which python library is used for plotting the data in 2D. a. List b. Numpy c. Pandas d. Matplotlib Correct Answer: d. Matplotlib Detailed Solution: Matplotlib is a python library used for plotting the data in 2D. (Please refer to lecture Implementation of IoT with Raspberry Pi- III @ 12:13)  NPTEL Online Certification Courses Indian Institute of Technology Kharagpur QUESTION 3: Fill in the blanks. __________ creates a two-way communication between two nodes in a network. a. Peer-to-Peer Network b. Parallel Programming c. Socket Programming d. None of these Correct Answer: c. Socket Programming Detailed Solution: Socket Programming creates a two-way communication between two nodes in a network. (Please refer to lecture Implementation of IoT with Raspberry Pi- II @ 6:02). QUESTION 4: What are the two main challenges of SDN? a. File placement and Node placement b. Rule placement and Controller placement c. Both a and b d. Neither a nor b Correct Answer: b. Rule placement and Controller placement Detailed Solution: Rule placement and Controller placement are the two main challenges of SDN. (Please refer to lecture Software Defined Networking- Part- I @ 16:49)  NPTEL Online Certification Courses Indian Institute of Technology Kharagpur QUESTION 5: IoT cannot control the network remotely. a. True b. False Correct Answer: b. False Detailed Solution: IoT can control the network remotely. (Please refer to lecture Implementation of IoT with Raspberry Pi- II @ 1:53) QUESTION 6: Which of the following is a part of data processing? a. Splitting b. Filtering c. Neither a nor b d. Both a and b Correct Answer: d. Both a and b Detailed Solution: Splitting and Filtering are both types of data processing. (Please refer to lecture Implementation of IoT with Raspberry Pi- III @ 7:20) QUESTION 7: What is introduced if a controller is down in SDN? a. Backup controller b. Intro controller c. Both a and b d. Neither a nor b Correct Answer: a. Backup Controller Detailed Solution: Backup controller is introduced if a controller is down in SDN. (Please refer to lecture Software Defined Networking- Part- II @ 8:29 )  NPTEL Online Certification Courses Indian Institute of Technology Kharagpur QUESTION 8: Ion() is used to add a subplot in the data plotting in python. a. True b. False Correct Answer: b. False Detailed Solution: subplot() is used to add a subplot in the data plotting in python. (Please refer to lecture Implementation of IoT with Raspberry Pi- III @ 23:28). QUESTION 9: Matplotlib cannot plot in 2D. a. True b. False Correct Answer: b. False Detailed Solution: Matplotlib can plot in 2D. (Please refer to lecture Implementation of IoT with Raspberry Pi- III @ 11:54). QUESTION 10: How many rules are deleted from the switch at hard timeout? a. None b. All c. Half d. Some Correct Answer: b. All Detailed Solution: All rules are deleted from the switch at hard timeout. See lecture 33 @ 25:02  NPTEL Online Certification Courses Indian Institute of Technology Kharagpur QUESTION 11: Are controllers able to handle all incoming requests from switches? a. Yes b. No Correct Answer: a. Yes Detailed Solution: Controllers must be able to handle all incoming requests from switches. See lecture 34 @ 4:05 QUESTION 12: Are Indigo and LINC Open source? a. Yes b. No Correct Answer: a. Yes Detailed Solution: Indigo and LINC are both open source. See lecture 33@ 26:43. QUESTION 13: Which of the following forward the sensed data based on the ID of the source node? a. ID-centric data forwarding b. Northbound IDs c. Both a and b d. Neither a nor b Correct Answer: a. ID-centric data forwarding Detailed Solution: ID-centric data forwarding forward the sensed data based on the ID of the source node. See lecture 35 @ 09:49  NPTEL Online Certification Courses Indian Institute of Technology Kharagpur QUESTION 14: How many requests can a controller handle through a single thread? a. 200/sec b. 50/sec c. Neither a nor b d. Both a and b Correct Answer: a. 200/sec Detailed Solution: A controller can handle 200 requests in a second through a single thread. (Please refer to lecture 34@ 3:47) QUESTION 15: Switches that forward the traffic in a distributed manner have a global view of the network. a. True b. False Correct Answer: b. False Detailed Solution: Switches that forward the traffic in a distributed manner do not have a global view of the network. (Please refer to lecture 33 @ 7:04) ************END***********