Explore topic-wise MCQs in Internet of things (IoT).

This section includes 61 Mcqs, each offering curated multiple-choice questions to sharpen your Internet of things (IoT) knowledge and support exam preparation. Choose a topic below to get started.

51.

___________ specifies the function that will be called when the client disconnects.

A. Callback
B. Error
C. Connect
D. Disconnect
Answer» E.
Discussion
52.

_________ Specifies the function that will be called when a successful connection with the PubNub cloud.

A. Callback
B. Error
C. Connect
D. Reconnect
Answer» D. Reconnect
Discussion
53.

Dictionary here define what?

A. Key-value pairs
B. JASON
C. dweet.io
D. Yocto
Answer» B. JASON
Discussion
54.

_________ specifies the function that will be called when there is a new message received from the channel.

A. Reconnect
B. Error
C. Connect
D. Callback
Answer» E.
Discussion
55.

Fog node is ___________

A. Floor
B. Wing
C. Individual room
D. Floor and Wing
Answer» E.
Discussion
56.

The object of IoT will be empowered by ___________

A. Network
B. Cloud
C. Devices
D. Connectivity
Answer» D. Connectivity
Discussion
57.

Dweet.io is used for __________

A. Sharing data
B. Storage
C. Publishing data
D. Alerting devices
Answer» D. Alerting devices
Discussion
58.

________ service allows the enablement of an unregistered service.

A. Enable from suspension
B. Enable
C. Update
D. Registered service status
Answer» C. Update
Discussion
59.

What is the popular method of organizing wireless network topologies?

A. Software
B. Synchronization
C. Network
D. Cluster
Answer» E.
Discussion
60.

Which protocol is lightweight?

A. MQTT
B. HTTP
C. CoAP
D. SPI
Answer» B. HTTP
Discussion
61.

For supporting real time edge analytics, we need to provide detailed data.

A. True
B. False
C. May be True or False
D. Can't say
Answer» B. False
Discussion