Internet of Things Assignment-Week 2

NPTEL Online Certification Courses Indian Institute of Technology Kharagpur Introduction to Internet of Things Assignment-Week 2 TYPE OF QUES...

NPTEL Online Certification Courses Indian Institute of Technology Kharagpur Introduction to Internet of Things Assignment-Week 2 TYPE OF QUESTION: MCQ/MSQ Number of questions: 15 Total marks: 15 X 1= 15 QUESTION 1: Based on functionality, MQTT is a _______ protocol. a. Transport b. Data c. Semantic d. None of these Correct Answer: b. Data Detailed Solution: MQTT is a Data Protocol. See lecture 6 (Basics of IoT Networking – Part II) @ 01:30 QUESTION 2: MQTT is designed for - a. Remote connections b. Limited bandwidth c. Both (a) and (b) d. Neither (a) nor (b) Correct Answer: c. Both (a) and (b)  NPTEL Online Certification Courses Indian Institute of Technology Kharagpur Detailed Solution: MQTT is designed for – 1. Remote connections 2. Limited bandwidth See lecture 6 (Basics of IoT Networking – Part II) @ 03:50 QUESTION 3: State True or False. MQTT protocol follows _____________ paradigm for exchanging messages. 1. Client-Server 2. Publish-Subscribe 3. Both (a) and (b) 4. None of these See lecture 6 (Basics of IoT Networking – Part II) @ 02:00 QUESTION 4: State True or False. Statement: “In MQTT, the Subscribers are Lightweight Sensors.” a. True b. False Correct Answer: b. False Detailed Solution: In MQTT, the Publishers are lightweight sensors. See lecture 6 (Basics of IoT Networking – Part II) @ 04:49  NPTEL Online Certification Courses Indian Institute of Technology Kharagpur QUESTION 5: Which of the following is MQTT component? a. Middleman b. Mules c. Both (a) and (b) d. None of these Correct Answer: d. None of these Detailed Solution: Components of MQTT are – 1. Publishers 2. Subscribers 3. Beokers See lecture 6 (Basics of IoT Networking – Part II) @ 04:50 QUESTION 6: State True or False. A topic in MQTT can only be numbers. a. False b. True Correct Answer: b. False Detailed Solution: A topic in MQTT is a string.  NPTEL Online Certification Courses Indian Institute of Technology Kharagpur Book - Introduction to IoT, Authors – Sudip Misra, Anandarup Mukherjee, and Arijit Roy, Publisher – Cambridge University Press, Edition – 1 (2021) QUESTION 7: State True or False. There are only two methods specified by the MQTT protocol. a. False b. True Correct Answer: a. False Detailed Solution: There are 5 number of methods in MQTT protocol. See lecture 6 (Basics of IoT Networking – Part II) @ 05:49 QUESTION 8: The Publish/Subscribe architecture in MQTT is _____________ driven. a. Event b. Pulse c. Sound d. None of these Correct Answer: a. Event Detailed Solution: Publish/Subscribe in MQTT is event-driven and enables messages to be pushed to clients. See lecture 6 (Basics of IoT Networking – Part II) @ 08:32  NPTEL Online Certification Courses Indian Institute of Technology Kharagpur QUESTION 9: State True or False. The topic is the routing information for the broker. a. True b. False Correct Answer: a. True Detailed Solution: The topic is the routing information for the broker. See lecture 6 (Basics of IoT Networking – Part II) @ 08:30 QUESTION 10: CoAP is _____________ and ____________. a. Based on HTTP b. Is designed for M2M applications c. None of these d. Both (a) and (b) Correct Answer: d. Both (a) and (b) Detailed Solution: CoAP is based on HTTP and is designed for M2M applications. See lecture 7 (Basics of IoT Networking – Part III) @ 00:49  NPTEL Online Certification Courses Indian Institute of Technology Kharagpur QUESTION 11: In CoAP, client-server interaction is asynchronous over a datagram transport protocol such as ____________. a. UDP b. TCP c. IP d. XMP Correct Answer: a. UDP Detailed Solution: In CoAP, client-server interaction is asynchronous over a datagram transport protocol such as UDP. See lecture 7 (Basics of IoT Networking – Part III) @ 00:50 QUESTION 12: What is the full form of AMQP? a. Advanced Message Querying Protocol b. Advanced Message Quality Protocol c. Advanced Message Queuing Protocol d. None of these  NPTEL Online Certification Courses Indian Institute of Technology Kharagpur Correct Answer: c. Advanced Message Queuing Protocol Detailed Solution: Advanced Message Queuing Protocol See lecture 7 (Basics of IoT Networking – Part IV) @ 0:55 QUESTION 13: AMQP has _______ number of frame types. a. 6 b. 3 c. 5 d. 9 Correct Answer: d. 9 Detailed Solution: In AMQP there are nine frame types.. See lecture 8 (Basics of IoT Networking – Part IV) @ 07:20 QUESTION 14: State True or False.  NPTEL Online Certification Courses Indian Institute of Technology Kharagpur Statement: “The OSI model has 7 layers.” a. True b. False Correct Answer: a. True Detailed Solution: The OSI model is a conceptual framework that divides any networked communication system into seven layers. See Page number – 10, Chapter - 1, Book - Introduction to IoT, Authors – Sudip Misra, Anandarup Mukherjee, and Arijit Roy, Publisher – Cambridge University Press, Edition – 1 (2021) QUESTION 15: The “Destination Address” in the IPv4 packet represents which of the following? a. The source node address of the packet b. The intermediate hop in the network c. Both (a) and (b) d. Neither (a) nor (b) Correct Answer: d. Neither (a) nor (b) Detailed Solution: The “Destination Address” in the IPv4 packet represents the address of the destination node in the network. See Page number – 18, Chapter - 1, Book - Introduction to IoT, Authors – Sudip Misra, Anandarup Mukherjee, and Arijit Roy, Publisher – Cambridge University Press, Edition – 1 (2021) ************END***********  NPTEL Online Certification Courses Indian Institute of Technology Kharagpur