Are you looking for Introduction to Internet of Things Week 2 NPTEL assignment answers? You’ve landed on the right page. Below are the expert-verified answers with clear explanations to help you understand the concepts better.
1. Based on functionality, MQTT is a ____________ protocol.
Options:
a) Transport
b) Data
c) Semantic
d) None of these
Answer:✅ b
Explanation:
MQTT is designed as a lightweight data transfer protocol, mainly used for sending telemetry-style data.
2. MQTT is designed for –
Options:
a) Remote connections
b) Limited bandwidth
c) Both (a) and (b)
d) Neither (a) nor (b)
Answer:✅ c
Explanation:
MQTT is suitable for constrained environments and is optimized for remote connections with low bandwidth.
3. MQTT protocol follows ______________ paradigm for exchanging messages.
Options:
a) Client-Server
b) Publish-Subscribe
c) Both (a) and (b)
d) None of these
Answer:✅ b
Explanation:
MQTT is based on a publish-subscribe model where publishers send messages to a broker, which then routes them to subscribers.
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4. State True or False. “In MQTT, the Subscribers are Lightweight Sensors.”
Options:
a) True
b) False
Answer:✅ b
Explanation:
Subscribers are usually applications or services that process data, while sensors are typically publishers.
5. Which of the following is MQTT component?
Options:
a) Middleman
b) Mules
c) Both (a) and (b)
d) None of these
Answer:✅ d
Explanation:
The actual MQTT components are client, broker, publisher, and subscriber, not “middleman” or “mules.”
6. State True or False. A topic in MQTT can only be numbers.
Options:
a) False
b) True
Answer:✅a
Explanation:
MQTT topics are text-based strings, not limited to numbers.
7. State True or False. There are only two methods specified by the MQTT protocol.
Options:
a) False
b) True
Answer:✅a
Explanation:
MQTT has multiple message types like CONNECT, PUBLISH, SUBSCRIBE, etc., not just two.
8. The Publish/Subscribe architecture in MQTT is ________________ driven.
Options:
a) Event
b) Pulse
c) Sound
d) None of these
Answer:✅a
Explanation:
It is event-driven, meaning actions occur based on event triggers.
9. State True or False. The topic is the routing information for the broker.
Options:
a) True
b) False
Answer:✅a
Explanation:
Topics act as routing keys in MQTT, guiding the broker to send messages to the right subscribers.
10. CoAP is ________________ and _____________.
Options:
a) Based on HTTP
b) Is designed for M2M applications
c) None of these
d) Both (a) and (b)
Answer:✅ d
Explanation:
CoAP is a RESTful protocol like HTTP, but optimized for machine-to-machine (M2M) communication in IoT.
11. In CoAP, client-server interaction is asynchronous over a datagram transport protocol such as _______________.
Options:
a) UDP
b) TCP
c) IP
d) XMP
Answer:✅a
Explanation:
CoAP operates over UDP, making it faster and more suitable for constrained networks.
12. What is the full form of AMQP?
Options:
a) Advanced Message Querying Protocol
b) Advanced Message Quality Protocol
✅ c) Advanced Message Queuing Protocol
d) None of these
Answer:✅ c
Explanation:
AMQP stands for Advanced Message Queuing Protocol, used for secure and reliable message queuing.
13. AMQP has __________ number of frame types.
Options:
a) 6
b) 3
c) 5
✅ d) 9
Answer:✅ d
Explanation:
There are 9 distinct frame types in AMQP, each handling a specific communication function.
14. State True or False. “The OSI model has 7 layers.”
Options:
a) True
b) False
Answer:✅a
Explanation:
The OSI (Open Systems Interconnection) model consists of 7 layers, from Physical to Application.
15. The “Destination Address” in the IPv4 packet represents which of the following?
Options:
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)
Answer:✅ d
Explanation:
The destination address specifies where the packet is headed, not the source or a hop.
✅Conclusion
We hope this complete answer set for Week 2 of Introduction To Internet Of Things helped you understand the core concepts better. For detailed answers to all weeks, explore:
👉Introduction To Internet Of Things Week 2 NPTEL Assignment Answers – Answer GPT
