Perl MCQs with answers Page - 3

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Q. What is polymorphism in Perl?

  • (A) Creating multiple constants with the same name
  • (B) Defining multiple methods under the same name
  • (C) Creating multiple variables with the same name
  • (D) All of these

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Q. What is encapsulation in Perl?

  • (A) Creating Arrays
  • (B) Wrapping up data and related methods to a single unit
  • (C) Creating separate structures storing values
  • (D) All of these

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Q. Encapsulation is also known as?

  • (A) Polymorphism
  • (B) Method overloading
  • (C) Data hiding
  • (D) None of these

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Q. Which function is used by perl for reversing a string?

  • (A) rev
  • (B) reverse
  • (C) split
  • (D) substr

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Q. Scalar stores

  • (A) Multiple value
  • (B) Single value
  • (C) Double value
  • (D) Float value

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Q. When the "require" function loads?

  • (A) Runtime
  • (B) Compile time
  • (C) Both
  • (D) None

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Q. Which of the following statement repeats a statement or group of statements until a given condition becomes true. It tests the condition before executing the loop body?

  • (A) while
  • (B) until
  • (C) for
  • (D) none of the above

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Q. What is the facility that allows nesting one select statement into another?

  • (A) nesting
  • (B) binding
  • (C) subquerying
  • (D) encapsulating

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Q. The Perl DBI is _____________

  • (A) database inheritance
  • (B) database integrity
  • (C) database interface
  • (D) database isolation

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Q. Select comparison operator from the options.

  • (A) *=
  • (B) &&
  • (C) !=
  • (D) =

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