McqMate
1. |
allows us to control electronic components |
A. | retful api |
B. | restful api |
C. | http |
D. | mqtt |
Answer» A. retful api |
2. |
MQTT stands for |
A. | mq telemetry things |
B. | mq transport telemetry |
C. | mq transport things |
D. | mq telemetry transport |
Answer» D. mq telemetry transport |
3. |
MQTT is better than HTTP for sending and receiving data. |
A. | true |
B. | false |
Answer» A. true |
4. |
MQTT is protocol. |
A. | machine to machine |
B. | internet of things |
C. | machine to machine and internet of things |
D. | machine things |
Answer» C. machine to machine and internet of things |
5. |
Which protocol is lightweight? |
A. | mqtt |
B. | http |
C. | coap |
D. | spi |
Answer» A. mqtt |
6. |
PubNub publishes and subscribes in order to send and receive messages. |
A. | network |
B. | account |
C. | portal |
D. | keys |
Answer» D. keys |
7. |
By clicking which key the PubNub will display public, subscribe, and secret keys. |
A. | pane |
B. | demo keyset |
C. | portal |
D. | network |
Answer» B. demo keyset |
8. |
The messageChannel class declares the class attribute that defines the key string. |
A. | command_key |
B. | command-key |
C. | commandkey |
D. | key_command |
Answer» A. command_key |
9. |
method saves the received arguments in three attributes. |
A. | init |
B. | init |
C. | init |
D. | _init_ |
Answer» C. init |
10. |
and saves the publish and subscribe keys that we have generated with the PubNub Admin portal. |
A. | public_key and subscribe_key |
B. | public-key and subscribe-key |
C. | publickey and subscribekey |
D. | key_public and key_subscribe |
Answer» A. public_key and subscribe_key |
11. |
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» D. callback |
12. |
specifies the function that will be called on an error event. |
A. | callback |
B. | error |
C. | connect |
D. | reconnect |
Answer» B. error |
13. |
Specifies the function that will be called when a successful connection with the PubNub cloud. |
A. | callback |
B. | error |
C. | connect |
D. | reconnect |
Answer» C. connect |
14. |
specifies the function that will be called when a successful re-connection is completed. |
A. | callback |
B. | error |
C. | connect |
D. | reconnect |
Answer» D. reconnect |
15. |
specifies the function that will be called when the client disconnects. |
A. | callback |
B. | error |
C. | connect |
D. | reconnect |
Answer» D. reconnect |
16. |
The number of elements in the Open IoT Architecture? |
A. | 6 elements |
B. | 8 elements |
C. | 7 elements |
D. | 3 elements |
Answer» C. 7 elements |
17. |
Global Sensor Network is built for |
A. | reducing cost and time for development |
B. | reducing cost and increasing time for development |
C. | increasing cost and increasing time for development |
D. | increasing cost and decreasing time for development |
Answer» A. reducing cost and time for development |
18. |
One of the main characteristics of Linked Stream Data is “Live Streaming”. |
A. | true |
B. | false |
Answer» A. true |
19. |
The huge number of devices connected to the Internet of Things has to communicate automatically, not via humans. What is this called? |
A. | skynet |
B. | bot 2 bot |
C. | machine 2 machine |
D. | intercloud |
Answer» C. machine 2 machine |
20. |
Internet of Things needs a lot of network connection. What is the proposed “white Space” radio standard called? |
A. | bluetooth |
B. | wimax |
C. | weightless |
D. | zigbee |
Answer» C. weightless |
21. |
What is the sensor/protocol used in GSN? |
A. | http protocol |
B. | coap protocol |
C. | mqtt protocol |
D. | xmpp protocol |
Answer» B. coap protocol |
22. |
Which is the core wrapper of GSN? |
A. | serial |
B. | udp |
C. | gpstest |
D. | zeromqwrapper |
Answer» D. zeromqwrapper |
23. |
Open IoT ontology is extending the W3C SSN ontology which supports the description of the physical and processing structure of sensors. |
A. | true |
B. | false |
Answer» A. true |
24. |
Open IoT manages the registration, data acquisition, deployment of sensors and interconnected of objects, through which network? |
A. | gsn |
B. | x-gsn |
C. | lsm |
D. | http |
Answer» B. x-gsn |
25. |
Which environment does Global Sensor Network work on? |
A. | c++ |
B. | java |
C. | html |
D. | c |
Answer» B. java |
26. |
is a community that is working together to establish an IoT architecture. |
A. | eclipse iot |
B. | red hat |
C. | intercloud |
D. | bot 2 bot |
Answer» A. eclipse iot |
27. |
provides a middleware and application container for IoT gateway. |
A. | eclipse kura |
B. | red hat |
C. | intercloud |
D. | bot 2 bot |
Answer» A. eclipse kura |
28. |
is a modular and cloud based platform. |
A. | eclipse kura |
B. | red hat |
C. | intercloud |
D. | eclipse kapua |
Answer» D. eclipse kapua |
29. |
Kapua also provides a core integration framework. |
A. | true |
B. | false |
Answer» A. true |
30. |
an open source stack for gateways and the edge. |
A. | eclipse kapua |
B. | red hat |
C. | intercloud |
D. | eclipse kura |
Answer» D. eclipse kura |
31. |
Gateway provides the connection between and |
A. | cloud and controller |
B. | network and cloud |
C. | network and controller |
D. | controller and device |
Answer» A. cloud and controller |
32. |
Sensors provide data per second. |
A. | hundreds of hundreds of data |
B. | hundreds of thousands of data |
C. | tens of hundreds of data |
D. | tens of thousands of data |
Answer» D. tens of thousands of data |
33. |
Does IOT gateway provide security for the network. |
A. | true |
B. | false |
Answer» A. true |
34. |
A sensor uses which network? |
A. | lan and han |
B. | han and pan |
C. | lan and pan |
D. | lan, pan and han |
Answer» D. lan, pan and han |
35. |
Gateway software should be smart enough to handle |
A. | gps |
B. | message |
C. | logging |
D. | sensors |
Answer» C. logging |
36. |
Number of approaches gateway can be installed? |
A. | 2 approaches |
B. | 3 approaches |
C. | 2 approaches |
D. | 2 approaches |
Answer» B. 3 approaches |
37. |
Drawback of Factory Bootstrap? |
A. | it should not have many gateways |
B. | it should not have many devices |
C. | complex circuit can’t be handled |
D. | it should have many gateways |
Answer» A. it should not have many gateways |
38. |
Central software management server communicates with the gateway devices in which approach? |
A. | factory bootstrap |
B. | server limited bootstrap |
C. | client initiated bootstrap |
D. | bootstrap |
Answer» B. server limited bootstrap |
39. |
Which mode assumes that it is the gateway’s responsibility to connect to the central repository server? |
A. | factory bootstrap |
B. | server limited bootstrap |
C. | client initiated bootstrap |
D. | bootstrap |
Answer» C. client initiated bootstrap |
40. |
The feature of IoT Gateway is the ability to download updates over-the-air. |
A. | true |
B. | false |
Answer» A. true |
41. |
Hardware address is known as |
A. | mac address |
B. | ip address |
C. | network interface card |
D. | address resolution protocol |
Answer» A. mac address |
42. |
MAC stands for |
A. | media area control |
B. | memory access control |
C. | memory area control |
D. | media access control |
Answer» D. media access control |
43. |
What translates IP address into MAC address? |
A. | organizationally unique identifier |
B. | address resolution protocol |
C. | network interface card |
D. | burned in address |
Answer» C. network interface card |
44. |
Networking Hardware Address is referred with |
A. | ip address |
B. | mac address |
C. | nic |
D. | organizationally unique identifier |
Answer» B. mac address |
45. |
Does MAC address contain characters. |
A. | true |
B. | false |
Answer» A. true |
46. |
MAC addresses are very useful in diagnosing network issues. |
A. | true |
B. | false |
Answer» A. true |
47. |
On wireless networks filtering is the security measure. |
A. | oui |
B. | ip |
C. | nic |
D. | mca |
Answer» D. mca |
48. |
MAC addresses are used as |
A. | network addresses |
B. | ip address |
C. | hardware address |
D. | burned in address |
Answer» A. network addresses |
49. |
IEEE standards for Institute of Electrical and Electronics Engineers. |
A. | false |
B. | true |
Answer» B. true |
50. |
The original IEEE 802 MAC address comes from |
A. | mac address |
B. | ip address |
C. | ethernet address |
D. | http |
Answer» C. ethernet address |
51. |
Which characteristics involve the facility the thing to respond in an intelligent way to a particular situation? |
A. | intelligence |
B. | connectivity |
C. | dynamic nature |
D. | enormous scale |
Answer» A. intelligence |
52. |
empowers IoT by bringing together everyday objects. |
A. | intelligence |
B. | connectivit y |
C. | dynamic nature |
D. | enormous scale |
Answer» B. connectivit y |
53. |
The collection of data is achieved with changes. |
A. | intelligence |
B. | connectivit y |
C. | dynamic nature |
D. | enormous scale |
Answer» C. dynamic nature |
54. |
The number of devices that need to be managed and that communicate with each other will be much larger. |
A. | intelligence |
B. | connectivity |
C. | dynamic nature |
D. | enormous scale |
Answer» D. enormous scale |
55. |
Provide the means to create capability that reflects true awareness of the physical world and people. |
A. | sensors |
B. | heterogene ity |
C. | security |
D. | connectivity |
Answer» A. sensors |
56. |
in IoT as one of the key characteristics, devices have different hardware platforms and networks. |
A. | sensors |
B. | heterogeneity |
C. | security |
D. | connectivity |
Answer» B. heterogeneity |
57. |
IoT devices are naturally vulnerable to threats. |
A. | sensors |
B. | heterogene ity |
C. | security |
D. | connectivity |
Answer» C. security |
58. |
Which challenge comes under IoT devices, reliable bidirectional signaling. |
A. | signaling |
B. | security |
C. | presencedetection |
D. | powerconsumption |
Answer» A. signaling |
59. |
Which challenge comes under securing the information? |
A. | signaling |
B. | security |
C. | presence detection |
D. | power consumption |
Answer» C. presence detection |
60. |
gives an exact, up to the second state of all devices on a network. |
A. | signaling |
B. | security |
C. | resence detection |
D. | powercon sumption |
Answer» C. resence detection |
61. |
Which challenge comes when we use many devices on the same network? |
A. | signaling |
B. | security |
C. | presence detection |
D. | power consumption |
Answer» D. power consumption |
62. |
a cellular network is expensive, especially with many IoT devices. |
A. | signaling |
B. | security |
C. | bandwidth |
D. | power consumption |
Answer» C. bandwidth |
63. |
Which of the following issues are considered in IoT? |
A. | security issue |
B. | reliablity issue |
C. | standard issue |
D. | all issues |
Answer» D. all issues |
64. |
SBC stands for? |
A. | standard buildingcenter |
B. | smart businesscenter |
C. | standard businesscenter |
D. | smart building center |
Answer» B. smart businesscenter |
65. |
IoT is a paradigm that involves ubiquitous presence in the environment |
A. | true |
B. | false |
Answer» A. true |
66. |
The IoT platforms are mainly divided into how many types |
A. | 3 types |
B. | 5 types |
C. | 4 types |
D. | 2 types |
Answer» C. 4 types |
67. |
ITS stands for |
A. | internet travel services |
B. | internet transportat ion security |
C. | intelligent transportation security |
D. | intelligent transportation services |
Answer» D. intelligent transportation services |
68. |
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 orientedplatform |
Answer» B. enterprise-based |
69. |
The use of RFID in product logistics may realize automatic acquisition of logistics information. |
A. | true |
B. | false |
Answer» A. true |
70. |
An IoT center is envisaged as an important part of the generic IoT platform to unify the organization. |
A. | individual information |
B. | individual integration |
C. | integrated information |
D. | individual and integrated information |
Answer» C. integrated information |
71. |
The core element of architecture of smart city is |
A. | mobile unified service |
B. | urban application platform |
C. | management center |
D. | integrated information provider |
Answer» D. integrated information provider |
72. |
The core element is operated by |
A. | paas |
B. | iotservice provider |
C. | saas |
D. | iaas |
Answer» B. iotservice provider |
73. |
Who will use their own IoT business models? |
A. | paas |
B. | saas |
C. | iaas |
D. | service provider |
Answer» D. service provider |
74. |
IoT promotes the creation of IoT terminal industry |
A. | devices |
B. | network |
C. | clusters |
D. | things |
Answer» C. clusters |
75. |
Supplementary platforms in the architecture provide support for these services. |
A. | true |
B. | false |
Answer» A. true |
76. |
Fog computing can be perceived in and |
A. | big data and cloud systems |
B. | big data and iot |
C. | cloud systems and iot |
D. | big data, cloud systems and iot |
Answer» A. big data and cloud systems |
77. |
Which of the following computing emphasizes proximity to end user? |
A. | mist computing |
B. | cloud computing |
C. | edge computing |
D. | fog computing |
Answer» D. fog computing |
78. |
is prototyping and testing a scalable. Secure Distribution Tolerant Mesh Network to protect strategic military assets. |
A. | spanar |
B. | spawar |
C. | apwanr |
D. | spanar |
Answer» B. spawar |
79. |
AIDC stands for |
A. | data carriers |
B. | carriers |
C. | computing |
D. | device carriers |
Answer» A. data carriers |
80. |
are rudimentary form of computing. |
A. | mist computing |
B. | fog computing |
C. | mobile cloudcomputing |
D. | cloud computing |
Answer» A. mist computing |
81. |
enables production-ready feature to the spring boot application. |
A. | actuators |
B. | endpoint |
C. | boot |
D. | hyper media |
Answer» A. actuators |
82. |
should be added to start the existing actuators in boot. |
A. | spring-boot- actuator |
B. | sprint-actuator- boot |
C. | boot-spring- actuator |
D. | actuator- spring-boot |
Answer» A. spring-boot- actuator |
83. |
allows us to monitor the application. |
A. | actuators |
B. | endpoints |
C. | boot |
D. | hypermedia |
Answer» B. endpoints |
84. |
Which endpoints are sensitive? |
A. | /health |
B. | /info |
C. | /metric |
D. | /trace |
Answer» C. /metric |
85. |
Using which customized endpoint will be accessed over HTTP? |
A. | id and enabled |
B. | enabled |
C. | sensitive |
D. | id |
Answer» D. id |
86. |
Which devices measures gases or liquid? |
A. | proximity sensor |
B. | pressure sensor |
C. | temperature sensor |
D. | touch sensor |
Answer» B. pressure sensor |
87. |
Which sensor measures the pressure relative to perfect vacuum? |
A. | absolute pressure sensor |
B. | gauge pressure sensor |
C. | vacuum pressure sensor |
D. | ferential pressure sensor |
Answer» B. gauge pressure sensor |
88. |
What is the stability of pressure sensor? |
A. | +/-0.75% fs |
B. | +/-0.5%fs |
C. | +/- 0.35% fs |
D. | +/-0.125% fs |
Answer» C. +/- 0.35% fs |
89. |
What is the operating voltage of pressure sensor? |
A. | 3.5v |
B. | 1.5v |
C. | 5v |
D. | 3v |
Answer» D. 3v |
90. |
ENOB stands for |
A. | effective no of bits |
B. | effective no of bytes |
C. | efficient no of bits |
D. | efficient no of bytes |
Answer» A. effective no of bits |
91. |
Perfect resolution is possible when? |
A. | the signal |
B. | signal |
C. | the signal |
D. | the signal |
Answer» B. signal |
92. |
Resolution is expressed in |
A. | bytes |
B. | bits |
C. | word |
D. | nibble |
Answer» B. bits |
93. |
The discrete levels available are |
A. | sides |
B. | edges |
C. | levels |
D. | bytes |
Answer» C. levels |
94. |
In an object of type Thread in the namespace System.Threading represents and controls one thread. |
A. | . py |
B. | .sap |
C. | .net |
D. | .exe |
Answer» C. .net |
95. |
Number of pins in 8051 microcontroller with package. |
A. | 40 pin withllc |
B. | 60 pinwith qfp |
C. | 40 pin withdip |
D. | 60 pin withqfp |
Answer» C. 40 pin withdip |
96. |
What is the use of Thermostat in Nest Thermostat E? |
A. | save energy |
B. | show the use of energy |
C. | supports in some devices only |
D. | won’t work at some conditions |
Answer» A. save energy |
97. |
What is the main function of Nest Thermostat E? |
A. | change the temperature only when we are at home |
B. | reduce the energy used |
C. | change the temperature from anywhere |
D. | powers off when a person is not present |
Answer» C. change the temperature from anywhere |
98. |
Function of huge light bulb? |
A. | to reduce energy and to control lightning |
B. | to create lighting scenes based on your favourite photos |
C. | to reduce energy and to create lighting scenes based on your favourite photos and to control lightning |
D. | to controlling lightning and to create lighting scenes based on your favourite photos |
Answer» C. to reduce energy and to create lighting scenes based on your favourite photos and to control lightning |
99. |
What is the drawback of using Lockitron? |
A. | wastage of more energy |
B. | supports in some devices only |
C. | won’t work at some conditions |
D. | tough installation |
Answer» B. supports in some devices only |
100. |
Sonos is a system that uses wireless speakers. |
A. | wifi |
B. | hifi |
C. | zigbee |
D. | bluetooth |
Answer» B. hifi |
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