NPTEL Introduction to Internet of Things Week 2 Assignment Answer
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The full form of MQTT is
- A) Message Query Telemetry Transport
- B) Message Queue Telemetry Transport
- C) Message Queue Telemedicine Transport
- D) None of these
XMPP uses the ______ architecture.
- A) Publish-subscribe
- B) Client-server
- C) Both (a) and (b)
- D) Neither (a) nor (b)
With respect to AMQP, which message delivery guarantee allows messages to be delivered certainly but may be delivered multiple times?
- A) At-least-once
- B) At-most-once
- C) Exactly-once
- D) Both (a) and (b)
In MQTT for IoT, the Publishers are
- A) Lightweight sensors
- B) Actuators
- C) Processing units
- D) None of these
Which of the following is NOT a method in MQTT?
- A) Publish
- B) Connect
- C) Disconnect
- D) None of these
CoAP has ______ modes for messaging.
- A) 2
- B) 4
- C) 6
- D) None of these
CoAP architecture is divided into three sub-layers.
- A) True
- B) False
What is the full form of XMPP in IoT?
- A) Extensible Markup Page Processing
- B) Extensible Messaging and Presence Protocol
- C) Both (a) and (b)
- D) Neither (a) nor (b)
XMPP is not an open standard protocol.
- A) False
- B) True
What is/are not frame type(s) of the AMQP protocol?
- A) Origin
- B) Destination
- C) Advance
- D) All of these
What is the basic unit of data in the AMQP protocol?
- A) Chunk
- B) Byte
- C) Packet
- D) None of these
Which of the following is/are exchange types in AMQP?
- A) Direct
- B) Fan-out
- C) Topic
- D) All of these
Which of the following is/are not an application of 6LoWPAN?
- A) IoT
- B) IIoT
- C) Both (a) and (b)
- D) Neither (a) nor (b)
The OSI model has ______ layers.
- A) 16
- B) 9
- C) 4
- D) None of these
The "Destination Address" in the IPv4 packet represents which of the following?
- A) The destination node address of the packet
- B) The intermediate hop in the network
- C) Both (a) and (b)
- D) None of these
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