PCEP-30-02 4.3 Python Built-In Exceptions Hierarchy PCEP-30 Practice Questions (Page 6)

Questions 26–30

1. 26foundation · easy

   What is the primary purpose of the Exception class in Python's exception hierarchy?

   • AIt is the root class from which all exceptions, including system-level ones, derive.
   • BIt is a special class that prevents exceptions from propagating through the call stack.
   • CIt is used exclusively for user-defined exceptions and cannot be caught.
   • DIt serves as the base class for most built-in exceptions that represent programming errors.
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2. 27foundation · easy

   What is the direct parent class of KeyboardInterrupt?

   • AInterruptError
   • BSystemExit
   • CException
   • DBaseException
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4. 28application · medium

   A developer writes a script that must catch any error that can be handled gracefully, but the script must still terminate if the user presses Ctrl+C or if sys.exit() is called. Which exception class should be used in the except clause to achieve this?

   • ABaseException
   • BArithmeticError
   • CException
   • DLookupError
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5. 29foundation · easy

   Which of the following is an abstract base class in Python's exception hierarchy?

   • AIndexError
   • BTypeError
   • CKeyError
   • DArithmeticError
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6. 30foundation · easy

   What causes a TypeError to be raised in Python?

   • APassing an argument with an invalid value to a function.
   • BAccessing a list with an out-of-range index.
   • CApplying an operation to an object of an inappropriate type.
   • DAttempting to divide by zero.
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