Internet of Things Questions and Answers Part-5

1. _________ are the inter connectors.
a) Web
b) Internet
c) Network
d) APIs

Answer: d
Explanation: APIs are the inter connector which provides the interface between the Internet and Things.

2. Is APIs are glue?
a) True
b) False

Answer: a
Explanation: JavaWorld’s Andrew Oliver calls APIs “the glue and interesting part where the Internet of Things starts to become useful and more than a buzzword.”

3. Most IoT problems are addressed at _________ layer
a) TCP
b) IP
c) API
d) UDP

Answer: c
Explanation: As more and more devices are connected to the net, however, certain recurring problems must be solved. These problems are addressed at the API layer.

4. IoT-A stands for ________
a) Internet of Things Address
b) Internet of Things Architecture
c) Internet of Things Area
d) Industrial of things Architecture

Answer: b
Explanation: The EU’s Internet of Things Architecture is another example of the way in which we can solve IoT related challenges.

5. IoT-A reference model is a _________
a) Scalable
b) Secure
c) Both scalable and secure
d) Neither scalable nor secure

Answer: c
Explanation: IoT-A architectural reference model is a scalable and secure solution intended to guide the design of protocols, interface and algorithms necessary to scale the IoT.

6. What is the role of Bigdata in smart grid architecture of IoT?
a) Store data
b) Manage data
c) Collect data
d) Security

Answer: a
Explanation: Bigdata stores time series data, unstructured data, provided context for analytics, API for enterprise applications.

7. What is the role of Cloud in smart grid architecture of IoT?
a) Store data
b) Manage data
c) Collect data
d) Security

Answer: b
Explanation: Cloud to edge Middleware: manage data and edge devices, data streaming and event processing, control authorized access.

8. What is the role of Gateway in smart grid architecture of IoT?
a) Store data
b) Manage data
c) Collect data
d) Security

Answer: c
Explanation: Gateway: collects data from sensors, abstract protocols, perform local autonomous decision, transfer information.

9. What is the role of Sensor in smart grid architecture of IoT?
a) Store data
b) Manage data
c) Collect data
d) Security

Answer: a
Explanation: Sensors and Actuators are connected, send data when needed, secure and low power, easy to install and configure.

10. IoT gateway must provide __________
a) Simple and fast installation
b) Security with hardware
c) Data storage
d) Protocol abstraction

Answer: d
Explanation: IoT gateway must provide:
Protocol abstraction
Computing and I/O performance
Integration communication capability.