McqMate
| 201. |
IoT-A reference model is a |
| A. | scalable |
| B. | secure |
| C. | bothscalable and secure |
| D. | neither scalablenor secure |
| Answer» C. bothscalable and secure | |
| 202. |
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. store data | |
| 203. |
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. manage data | |
| 204. |
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. collect data | |
| 205. |
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. store data | |
| 206. |
IoT gateway must provide |
| A. | simple and fastinstallation |
| B. | security with hardware |
| C. | data storage |
| D. | protocol abstraction |
| Answer» D. protocol abstraction | |
| 207. |
Which of the following is IoT device manageability? |
| A. | protocol abstraction |
| B. | simple and fast installation |
| C. | security with hardware |
| D. | data storage |
| Answer» B. simple and fast installation | |
| 208. |
endpoint displays arbitrary application information. |
| A. | /health |
| B. | /info |
| C. | /metric |
| D. | /trace |
| Answer» B. /info | |
| 209. |
Which endpoint displays trace information? |
| A. | /health |
| B. | /info |
| C. | /metric |
| D. | trace |
| Answer» D. trace | |
| 210. |
Enabled customization endpoint will be enabled only during |
| A. | true cases only |
| B. | false cases only |
| C. | either true orfalse cases |
| D. | true and false cases |
| Answer» A. true cases only | |
| 211. |
Enabled customization endpoint will be sensitive only during |
| A. | true cases only |
| B. | false cases only |
| C. | either true orfalse cases |
| D. | true and false cases |
| Answer» D. true and false cases | |
| 212. |
Which protocol is used to link all the devices in the IoT? |
| A. | tcp/ip |
| B. | network |
| C. | udp |
| D. | http |
| Answer» A. tcp/ip | |
| 213. |
enables seamless integration of LoWPAN devices with internet leveraging. |
| A. | ietf 6lowpan |
| B. | ieft coap |
| C. | rfid/nfc |
| D. | ieee 802.15.4.lowpan |
| Answer» A. ietf 6lowpan | |
| 214. |
enables open application layer for constrained nodes. |
| A. | ietf 6lowpan |
| B. | ieft coap |
| C. | rfid/nfc |
| D. | ieee 802.15.4.lowpan |
| Answer» B. ieft coap | |
| 215. |
tags, devices, smart phones useful in identification. |
| A. | ietf 6lowpan |
| B. | ieft coap |
| C. | rfid/nfc |
| D. | ieee802.15.4.lo wpan |
| Answer» C. rfid/nfc | |
| 216. |
supports low energy radio operation. |
| A. | ietf6lowpan |
| B. | ieftcoap |
| C. | rfid/nfc |
| D. | bluetooth |
| Answer» D. bluetooth | |
| 217. |
specification defining the PHY and MAC layer of low power devices. |
| A. | ietf 6lowpan |
| B. | ieft coap |
| C. | rfid/nfc |
| D. | ieee 802.15.4.lowpan |
| Answer» D. ieee 802.15.4.lowpan | |
| 218. |
6LoWPAN Adaption layer contains? |
| A. | header compressio n |
| B. | fragmentat ion |
| C. | layer 2 forwarding |
| D. | header compressio n, fragmentat ion, and layer 2 forwarding |
| Answer» D. header compressio n, fragmentat ion, and layer 2 forwarding | |
| 219. |
Adheres to approach for managing resources and support mapping to HTTP. |
| A. | retful |
| B. | iot |
| C. | restful |
| D. | restful |
| Answer» D. restful | |
| 220. |
is an application layer protocol for resource constrained devices. |
| A. | coap |
| B. | hmtp |
| C. | mqtt |
| D. | tcp/ip |
| Answer» A. coap | |
| 221. |
resources are identified by Uniform Resource Identifiers. |
| A. | coap |
| B. | hmtp |
| C. | mqtt |
| D. | tcp/ip |
| Answer» A. coap | |
| 222. |
Which protocol interacts asynchronously over UDP? |
| A. | hmtp |
| B. | coap |
| C. | mqtt |
| D. | tcp/ip |
| Answer» B. coap | |
| 223. |
How many messages types are there in CoAP? |
| A. | 2 |
| B. | 5 |
| C. | 3 |
| D. | 4 |
| Answer» D. 4 | |
| 224. |
API architecture not only includes critical elements but also caters for |
| A. | system |
| B. | devices |
| C. | network |
| D. | multi homing |
| Answer» D. multi homing | |
| 225. |
is uniquely identifiable embedded computing devices. |
| A. | internet |
| B. | iot |
| C. | bigdata |
| D. | cloud |
| Answer» B. iot | |
| 226. |
Without computers embedded in house keys are worthless |
| A. | data |
| B. | services |
| C. | both data andservices |
| D. | neither data norservices |
| Answer» C. both data andservices | |
| 227. |
CoAP messages are short. |
| A. | true |
| B. | false |
| Answer» A. true | |
| 228. |
How many messages types are there in CoAP? |
| A. | 2 |
| B. | 5 |
| C. | 3 |
| D. | 4 |
| Answer» D. 4 | |
| 229. |
Number of methods in CoAP? |
| A. | 2 |
| B. | 5 |
| C. | 4 |
| D. | 3 |
| Answer» C. 4 | |
| 230. |
WSN stands for |
| A. | wired sensor network |
| B. | wireless sensor network |
| C. | wired service network |
| D. | wireless service network |
| Answer» B. wireless sensor network | |
| 231. |
The core of the protocol is specified in |
| A. | rfc 7254 |
| B. | rfc 7252 |
| C. | rfc 7452 |
| D. | rfc 7524 |
| Answer» B. rfc 7252 | |
| 232. |
How many types of arduinos do we have? |
| A. | 5 |
| B. | 6 |
| C. | 8 |
| D. | 6 |
| Answer» C. 8 | |
| 233. |
What is the microcontroller used in Arduino UNO? |
| A. | atmega32 8p |
| B. | atmega2560 |
| C. | atmega321 14 |
| D. | at91sam3x 8e |
| Answer» A. atmega32 8p | |
| 234. |
What does p refer to in ATmega328p? |
| A. | production |
| B. | pico- power |
| C. | power- pico |
| D. | programma ble on chip |
| Answer» B. pico- power | |
| 235. |
What is the default bootloader of the Arduino UNO? |
| A. | optiboot bootloader |
| B. | air-boot |
| C. | bare box |
| D. | gag |
| Answer» A. optiboot bootloader | |
| 236. |
Does the level shifter converts the voltage levels between RS-232 and transistor-transistor logic. |
| A. | true |
| B. | false |
| Answer» A. true | |
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