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Total Questions: 20

1. Which of the following constants hold the value 2?

Correct Answer is : TYPE_BACK_FORWARD

2. Where does the DNS Lookup direct to ?

Correct Answer is : DNS Server

3. How many properties are available in a memory object?

Correct Answer is : 3

4. What is a heap in JavaScript?

Correct Answer is : Collection of JavaScript objects

5. What is the function of the memory object?

Correct Answer is : Gets memory usage

6. What is the command to access the Heap size limit?

Correct Answer is : performance.memory. jsHeapSizeLimit

7. What is the purpose of garbage collection?

Correct Answer is : Removes object with no reference

8. What does the usedJsHeapSize property indicate?

Correct Answer is : Amount of memory used

9. Which of the following property indicate the total size of the heap?

Correct Answer is : totalJsHeapSize

10. What can be done to monitor the memory usage?

Correct Answer is : Profiling

11. Which of the following gives the high level breakdown of memory usage?

Correct Answer is : about:memory

12. Which keyword must be used to get a more granular insight of the memory usage?

Correct Answer is : verbose

13. Which of the following are JavaScript logging library?

Correct Answer is : loglevel

14. What is the significance of the JavaScript logging library loglevel?

Correct Answer is : Lightweight

15. Which of the following browsers support the usage of the JavaScript logging library log4javascript?

Correct Answer is : All of the mentioned

16. What is the significance of the JavaScript logging library log4javascript?

Correct Answer is : Fully featured and Easy to use

17. Which of the following JavaScript logging framework lets one to toggle the plane?

Correct Answer is : Lumberjack

18. Which of the following JavaScript logging tool is also a debugging tool?

Correct Answer is : jsTracer

19. Which of the following JavaScript logging tool is standalone?

Correct Answer is : Log Hound

20. Which of the following are appenders?

Correct Answer is : All of the mentioned