Friday, 16 November 2012

Perl Scripting Interview Questions and Answers for freshers and experienced pdf free download

1. Define Perl scripting?
2. Why to use Perl scripting?
3. What is Perl?
4. Why to use Perl?
5. Why do we use PERL scripting?
6. Which is your favorite module and why it is?
7. How Perl warnings are turn on and why is it important?
8. Differentiate use and require?
9. Distinguish my and local?
10. Why Perl patterns are not regular expressions?
11. What happens if a reference is returned to private variable?
12. Define scalar data and variables?
13. Why –w argument is used with Perl programs?
14. Which has highest precedence in between List and Terms? Explain?
15. Define a short circuit operator?
16. In Perl, name different forms of goto and explain?
17. Can you add two arrays together?
18. How shift command is used?
19. Explain different types of eval statements?
20. Describe returning values from subroutines?
21. What are the two different types of data perl handles?
22. What are scalar variables?
23. Explain about lists?
24. Name all the prefix dereferencer in perl?
25. Explain about an ivalue?
26. How does a “grep” function perform?
27. Explain about Typeglobs?
28. Is there any way to add two arrays together?
29. How to use the command shift?
30. What exactly is grooving and shortening of the array?
31. What are the three ways to empty an array?
32. How do you work with array slices
33. What is meant by splicing arrays explain in context of list and scalar.
34. What are the different types of perl operators?
35. Which has the highest precedence, List or Terms? Explain?
36. Which of these is a difference between C++ and Perl?
37. Why do you create an application for real time system in which processing speed is vital?

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