031.1 Software Development Basics (weight: 1) WEB-DEVELOPMENT-ESSENTIALS Practice Questions (Page 4)

Questions 16–20

1. 16foundation · easy

   Why are C and C++ considered suitable for system programming?

   • AThey are interpreted, making them portable
   • BThey are easy to learn and have simple syntax
   • CThey are automatically memory-managed
   • DThey provide low-level memory access and efficient performance
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2. 17application · easy

   A developer is working on a JavaScript project and creates a new branch to add a feature. After completing the feature, they want to incorporate the changes from the feature branch back into the main development branch. What version control operation should they perform?

   • APush the changes to a remote repository
   • BCheckout the main branch and delete the feature branch
   • CMerge the feature branch into the main branch
   • DCommit the changes to the feature branch
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4. 18foundation · easy

   Which statement correctly differentiates functional and procedural programming?

   • AFunctional programming is only used for web development, while procedural programming is only for system programming
   • BFunctional programming uses pure functions and immutable data, while procedural programming uses procedures that may modify state
   • CFunctional programming is compiled, while procedural programming is interpreted
   • DFunctional programming uses objects, while procedural programming uses functions
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5. 19application · medium

   A Java team is developing a web application with a database backend. They have written unit tests for individual classes, and now want to verify that the classes work correctly together when the application starts up and connects to the database. Which type of testing should they perform?

   • AUnit testing — testing individual classes in isolation
   • BSystem testing — testing the entire application end to end
   • CRegression testing — re-running old tests after changes
   • DIntegration testing — verifying that multiple components work together
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6. 20application · medium

   A startup is prototyping a data-processing script in Python. They expect to change the logic frequently and need to see results immediately after each edit, without a separate build step. Which property of Python's execution model directly supports this workflow?

   • APython source is compiled to bytecode first, then executed by a virtual machine
   • BPython produces a standalone executable that runs without any runtime
   • CPython's compiler catches all errors before the program starts executing
   • DPython is interpreted line by line, so changes take effect on the next run without recompiling
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