1. Which protocol interacts asynchronously over UDP?
a) HMTP
b) CoAP
c) MQTT
d) TCP/IP
Explanation: CoAP is an application layer protocol (IETF draft) for resource constrained devices. It is Asynchronous message interactions over UDP, Request/Response semantics CoAP resources are identified by Uniform Resource Identifiers.
2. CoAP messages are short.
a) True
b) False
Explanation: CoAP messages are short – 4 bytes header followed by options (Typically, 10-20 bytes header).
3. How many messages types are there in CoAP?
a) 2
b) 5
c) 3
d) 4
Explanation: Four message types are:
Confirmable
Non confirmable
Acknowledgments
Reset.
4. Number of methods in CoAP?
a) 2
b) 5
c) 4
d) 3
Explanation: Four CoAP methods:
GET
POST
PUT
DELETE.
5. WSN stands for __________
a) Wired Sensor Network
b) Wireless Sensor Network
c) Wired Service Network
d) Wireless Service Network
Explanation: WSN – Wireless Sensor Network comprises of motes running a WSN application and a light weight CoAP server.
6. The IoT platforms are mainly divided into how many types
a) 3 types
b) 5 types
c) 4 types
d) 2 types
Explanation: The IoT platforms could be divided into four types:
eGovermnent related
Enterprise-based
Company based
Business oriented platform.
7. In order to promote _________ the government should employ more management.
a) eGovermnent related
b) Enterprise-based
c) Company based
d) Business oriented platform
Explanation: In order to promote the eGovermnent information system evolution and improve their management, the local/regional/ national governments should employ more management intelligence by utilizing an IoT platform.
8. In order to improve their competitiveness and services assurance, the ________ require independently funded IoT projects.
a) eGovermnent related
b) Enterprise-based
c) Company based
d) Business oriented platform
Explanation: In order to improve their competitiveness and services assurance, the market oriented enterprises and companies require independently funded IoT projects.
9. The ________ may become an important facilitator and stimulate for the modern economy.
a) eGovermnent related
b) Enterprise-based
c) Company based
d) Business oriented platform
Explanation: The pure business oriented IoT may become an important facilitator and stimulus for the modern economy, by attracting investments and developing strategic industry sectors.
10. ITS stands for _________
a) Internet Travel Services
b) Internet Transportation Security
c) Intelligent Transportation Security
d) Intelligent Transportation Services
Explanation: The center is linked with set of services, intelligent transportation services city fire protection and security; corporation medical services; commercial and tourism services; and tax and fees payment services.