Software Engineering: Beyond the Buzzwords

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1. Câu hỏi 1

   What does Brooks's law say about adding people to a late software project?

   • It makes the project later still
   • It speeds it up roughly in proportion
   • It speeds it up only with microservices
   • It mainly increases technical debt

2. Câu hỏi 2

   Under semantic versioning, which version change signals a breaking API change?

   • 2.3.1 to 2.4.0
   • 2.3.1 to 2.3.2
   • 2.3.1 to 3.0.0
   • 2.3.1 to 2.3.1-rc1

3. Câu hỏi 3

   Which HTTP method is defined as idempotent but not safe?

   • GET
   • POST
   • PATCH
   • PUT

4. Câu hỏi 4

   A test suite reaches 100% line coverage. What does that guarantee?

   • Every line ran during the tests
   • Every branch combination was tested
   • The code contains no logic errors
   • Every edge case has an assertion

5. Câu hỏi 5

   What best distinguishes continuous delivery from continuous deployment?

   • Delivery skips automated testing
   • In delivery, release to production is a manual decision
   • Delivery requires fixed release plans
   • Deployment needs no build pipeline

6. Câu hỏi 6

   What is the key difference between a mock and a stub in testing?

   • A stub verifies calls; a mock returns data
   • They are two names for one thing
   • A mock is used only in integration tests
   • A mock verifies the calls made to it

7. Câu hỏi 7

   An algorithm is O(n) and another O(n²). What can you conclude for n = 100?

   • The O(n) one is always faster
   • Nothing certain about which is faster
   • The O(n²) one takes 100 times longer
   • The O(n) one uses less memory

8. Câu hỏi 8

   According to the CAP theorem, what must a distributed system give up during a network partition?

   • Partition tolerance or durability
   • Any two of the three properties
   • Either consistency or availability
   • Latency guarantees under heavy load

9. Câu hỏi 9

   What happens to commit hashes when you rebase a branch onto a new base?

   • They stay the same
   • Only the newest commit changes
   • They change only if conflicts occur
   • The rebased commits get new hashes

10. Câu hỏi 10

    A single-core CPU runs two tasks by switching between them. This is an example of what?

    • Concurrency without parallelism
    • Parallelism without concurrency
    • Both concurrency and parallelism
    • Neither concurrency nor parallelism