Python Syntax and Concepts JN0-224 Practice Questions (Page 1)

Questions 1–5

1. 1foundation · easy

   What is the recommended way to ensure a file is properly closed after use in Python?

   • AUse the with statement
   • BCall the close() method at the end of the script
   • CFiles are automatically closed, so no action is needed
   • DUse the del statement
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2. 2foundation · easy

   Which block in a try/except statement is executed only if no exception was raised?

   • Afinally block
   • Btry block
   • Celse block
   • Dexcept block
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4. 3foundation · easy

   What is the output of the following code? my_dict = {"name": "Alice", "age": 30} print(my_dict["name"])

   • AAlice
   • BKeyError
   • C30
   • Dname
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5. 4foundation · easy

   Which Python data structure is ordered, changeable, and allows duplicate elements?

   • ATuple
   • BSet
   • CList
   • DDictionary
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6. 5application · easy

   An engineer is defining a PyEZ Table to parse the output of the 'show interfaces' command. The Table should extract the interface name and its operational status. The engineer wants to store the parsed data in a dictionary where the interface name is the key and the status is the value. Which data structure is best suited for this purpose?

   • AA list of tuples, where each tuple contains (interface_name, status).
   • BA tuple of dictionaries, where each dictionary has 'name' and 'status' keys.
   • CA set of interface names, with a separate list for statuses.
   • DA dictionary, where the key is the interface name and the value is the status.
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