IOT Interview Questions and Answers Set-7

61. Will IoT actually work over the internet or will it have its own dedicated wide area network?

Interoperability between numerous wireless and networking requirements continues to be a difficulty and something that forums and standards bodies are looking to deal with. The IoT is a whole myriad of different methods of connecting things. It is able to be constant, wi-fi nfc, mobile, extremely-slim band or maybe ZigBee.

62. Why should i prepare MongoDB for IOT compared to other databases?

Its the document model based storage database. Hence its faster compared to other databases, Rather than that its support more than 20 programming language support for integration.

63. What is Bluegiga APx4 Protocol for the Internet of Things (IoT)?

BLE and Wi-Fi together can be used without interference as they are compliable to coexistence protocols. The Bluegiga APx4 is one such solution which supports both BLE and Wi-Fi and is based on 450MHz ARM9 processor.

64. Explain how did you insert bulk data in Mongodb, can write query for that?

Query:                                                             

var huge= db.iotCollection.initializeUnorderedBulkOp();

huge.insert({location:”India”, count:456,  polls:456});

huge.insert({location:”Russia:, count:567, polls:567});

huge.insert({location:”China”, count:789,  polls:789});

huge.insert({location:”USA”, count:123, polls:123});

huge.execute().

65.What are the important Components of an Internet of Things?      

Hardware- This will make physical items responsive and give them functionality to store records and respond to instructions.

Software Program – Allowing the facts collection, storage, processing, manipulating and instructing.

Conversation Infrastructure – Most essential of all is the communication infrastructure which consists of protocols and technologies which allow two bodily gadgets to exchange information.

66. What is DB command?

DB command is mention the currently selected database name in Mongodb;

67. How High-Speed Internet might affect the Development and Implementation of the Internet of Things (IoT)?

Use and growth of the IoT can also be limited by the availability of access to high-speed Internet and advanced telecommunications services, commonly known as broadband, on which it depends. While many urban and suburban areas have access, that is not the case for many rural areas, for which private-sector providers may not find the establishment of the required infrastructure profitable, and government programs may be limited.

68. What are the layers of OSI?

  • Physical layer
  • Data link layer
  • Network layer
  • Transport layer
  • Session layer
  • Presentation layer
  • Application layer

69. What are the main challenges of the Internet of Things (IoT)?

Safety is one of the important concerns of professionals who believe definitely endless linked gadgets and statistics sharing can severely compromise one’s safety and properly being. Through IoT devices, we can open a gateway for an entire community to hack, not like other hacking episodes which compromise online information and privacy.

70. List some Advance IOT projects?

  • Control the robot by Hand gesture (like iron man)
  • Office theft prevention system
  • facial recognition based intruder alert system.