01
Choose one
1 point
What exception is raised by int("abc")?
Free Practice Quiz Question List
7 Exceptions and Error Handling Online Quiz Questions
Use this free practice quiz with 20 questions to review 7 Exceptions and Error Handling, test your knowledge, and prepare for your next test or exam.
20 questions
02
Choose one
1 point
In a Python try statement, when does the else clause execute?
- A
It runs before the
tryblock. - B
It runs whenever an exception is raised.
- C
It runs only when the
tryblock succeeds. - D
It always runs after
finally.
03
Choose one
1 point
What is the primary purpose of raise ValueError("...") from error inside an except block?
- A
It preserves the original exception as the cause of the new exception.
- B
It suppresses all traceback information from the original exception.
- C
It retries the failed operation automatically.
- D
It converts every exception into
BaseException.
04
Choose all
1 point
Which two practices follow the material's guidance for designing exception handlers? Select all correct choices.
- A
Handle specific exception types whenever possible.
- B
Place more specific handlers before more general handlers.
- C
Use a bare
except:for every recoverable error. - D
Put all application logic inside one large
tryblock.
05
Choose all
1 point
Which two actions are consistent with the material's recommended validation process? Select all correct choices.
- A
Define which values the contract accepts.
- B
Allow invalid data to continue until a later operation fails.
- C
Validate input where it enters a function or component.
- D
Avoid stating the violated requirement to the caller.
06
True or false
1 point
True or false: A finally block executes even if the try block returns before reaching its end.
- A
True
- B
False
07
True or false
1 point
True or false: A bare except: is generally recommended for ordinary application logic because it handles only common runtime errors.
- A
True
- B
False
08
Written response
1 point
In the documented set_percentage(value) example, which Python exception class should be raised when value is less than 0 or greater than 100?
09
Written response
1 point
When reading a Python traceback from the bottom upward, what two pieces of information does the final line identify?
10
Fill in the blank
1 point
Complete both statements with the appropriate Python exception class. Raise when an input has an inappropriate type; raise when an input has an acceptable general type but an invalid value.
11
Fill in the blank
1 point
Complete the statement with the recommended keyword: open("notes.txt", encoding="utf-8") as file:
12
Open ended
1 point
Explain the three questions an effective error message should answer, and give a concise example that follows those principles.
13
Choose one
1 point
A try statement needs separate responses for FileNotFoundError and other Exception instances. Which handler order is correct?
- A
except Exception:beforeexcept FileNotFoundError: - B
except FileNotFoundError:beforeexcept Exception: - C
except:before every typed handler - D
The order does not affect which handler runs
14
Choose one
1 point
A program converts user input inside a try block. The conversion succeeds, and the program should run code that depends on that success without placing that code inside the protected operation. Which clause should contain that code?
- A
except
- B
else
- C
finally
- D
raise
15
Choose one
1 point
A program attempts to open settings.txt, but that file does not exist. Which specific exception should normally be handled to report that the settings file was not found?
- A
FileNotFoundError
- B
PermissionError
- C
ValueError
- D
KeyError
16
Choose one
1 point
Which exception type is raised by the expression "total" + 3 because the operation receives an inappropriate type?
- A
ValueError
- B
NameError
- C
TypeError
- D
AssertionError
17
Choose one
1 point
A function requires its username argument to be a string. If the caller passes an integer, which exception should the function raise according to the validation guidance?
- A
ValueError
- B
TypeError
- C
IndexError
- D
OSError
18
True or false
1 point
True or false: If a try block executes a return statement, its finally block still executes before the function returns.
- A
True
- B
False
19
Written response
1 point
In the example create_user(username, age), what exception should be raised when username is a string containing only whitespace?
20
Written response
1 point
Which Python keyword begins the resource-management construct that automatically performs cleanup for a file when an exception occurs inside the block?