Programming Concepts FC0-U71 Practice Questions (Page 2)

Questions 6–10

1. 6expert · medium

   A program is supposed to print the sum of all numbers from 1 to 100. The developer writes the following code: `int sum = 0; for (int i = 1; i <= 100; i++) { sum = sum + i; } print(sum);`. The output is 5050, which is correct. However, the developer then changes `i <= 100` to `i < 100`. What will the new output be?

   • AThe program will crash.
   • B5050
   • C4950
   • D5000
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2. 7foundation · easy

   Which control structure would you use to execute a block of code only if a certain condition is true?

   • AWhile loop
   • BFunction call
   • CIf-else statement
   • DFor loop
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4. 8foundation · easy

   What is the purpose of a breakpoint in debugging?

   • ATo remove all syntax errors from the code.
   • BTo speed up program execution.
   • CTo permanently fix the error in the code.
   • DTo pause program execution at a specific line so you can inspect variables and state.
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5. 9foundation · easy

   Which technique is commonly used to identify the source of a bug by adding temporary output statements to the code?

   • APrint debugging (or logging)
   • BVariable declaration
   • CSyntax highlighting
   • DCode refactoring
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6. 10expert · medium

   A developer is building a web application that allows users to upload files. The upload process can fail for several reasons: the file is too large, the file type is not allowed, or the network connection drops. The developer wants to show a specific error message for each failure type. What is the best approach?

   • AUse multiple catch blocks, each handling a specific exception type, and display a tailored message.
   • BUse a loop to retry the upload until it succeeds.
   • CUse a conditional statement to check the file size and type before uploading, and ignore network errors.
   • DUse a single try-catch block that catches all exceptions and displays a generic error message.
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