Internet of Things interview questions part 32
Internet of Things interview questions part 32
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Total Questions: 20
1. How many instructions pipelining is used in ARM7EJ-S?
Correct Answer is : 5-Stage
2. How many bit data bus is used in ARM7EJ-s?
Correct Answer is : 32-bit
3. What is the cache memory for ARM710T?
Correct Answer is : 8Kb
4. MQTT is mainly used for __________
Correct Answer is : M2M communication
5. Which is an open standard?
Correct Answer is : MQTT
6. MQTT is _________ oriented.
Correct Answer is : Message
7. Who created MQTT?
Correct Answer is : Andy Stanford-Clark
8. Does MQTT support security.
Correct Answer is : TRUE
9. Standard ports of MQTT are __________
Correct Answer is : TCP/IP
10. Full form of MQTT _____
Correct Answer is : Message Queuing Telemetry Transport
11. What are the key components of a M2M system?
Correct Answer is : Sensors and Wi-Fi
12. Request field is present in which message format?
Correct Answer is : Request message
13. URI and content type support is which protocol feature?
Correct Answer is : CoAP
14. _______ makes it possible for two or more activities to execute in parallel on a single processor.
Correct Answer is : Multithreading
15. In ______ an object of type Thread in the namespace System.Threading represents and controls one thread.
Correct Answer is : .NET
16. The method will be executed once the thread’s ______ method is called.
Correct Answer is : Start
17. Command to make thread sleep?
Correct Answer is : Thread.Sleep
18. An instance of class Buffer provides a threadsafe way of communication between ________
Correct Answer is : Objects
19. _______ method puts zero into the buffer.
Correct Answer is : HandlePut(object o)
20. HandlePut(object o) performs what?
Correct Answer is : Unlocking
