A network automation team wants to ensure that every code change is automatically tested before it is merged into the main branch. They are using a Git repository and a CI/CD pipeline. What is the most effective way to integrate TDD with their pipeline?

Require developers to run tests locally and manually report results in the pull request

Configure the CI pipeline to run the unit test suite on every pull request and block the merge if any test fails

Run the unit tests only after the code is merged to the main branch

Use a nightly build that runs tests once per day

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

A stub is used for integration tests, while a mock is used for unit tests

A stub returns predefined data, while a mock also verifies interactions

A mock returns predefined data, while a stub verifies interactions

They are identical and can be used interchangeably

What is the purpose of an assertion in a test case?

To declare a variable that holds the test data

To compare the actual result with the expected result

To skip the test if it takes too long

How does test-driven development integrate with continuous integration (CI)?

Tests are only run after the release is deployed

Tests are written but never executed

Tests are automatically executed whenever code is committed

Tests are run manually before each commit

A CI pipeline reports 90% line coverage for a module, but a critical error-handling branch is not covered by any test. A developer argues that the coverage is high enough. What is the best response?

Accept the coverage because 90% is above the team's threshold

Remove the error-handling branch to simplify the code

Increase the coverage threshold to 95% to force more tests

Add a test that exercises the error-handling branch to ensure it behaves correctly

CiscoCertified Network Associate Automation (CCNA Automation)

Domain 1Objective 3

3. Describe the Concepts of Test-Driven Development 200-901 Practice Questions (Page 8)

Part of the 1.0 Software Development and Design domain, which accounts for 15% of the 200-901 exam. Cisco does not publish an official question count, but from its 120-minute exam (~50–80 total, ~8–12 in this domain), expect 1–2 from this objective — we provide 48 practice questions to prepare you well beyond it. (estimate)

48questions here

10free pages

8concepts

15%of the exam

Questions 36–40

36application · medium
A network automation team wants to ensure that every code change is automatically tested before it is merged into the main branch. They are using a Git repository and a CI/CD pipeline. What is the most effective way to integrate TDD with their pipeline?
Select an answer first
37foundation · easy
What is the difference between a mock and a stub in unit testing?
Select an answer first
38foundation · easy
What is the purpose of an assertion in a test case?
Select an answer first
39foundation · easy
How does test-driven development integrate with continuous integration (CI)?
Select an answer first
40expert · medium
A CI pipeline reports 90% line coverage for a module, but a critical error-handling branch is not covered by any test. A developer argues that the coverage is high enough. What is the best response?
Select an answer first

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