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200-901 Understanding and Using APIs Practice Question

A developer is using Postman to test a Cisco Webex API that creates a room. After running the request, they want to verify that the response status is 200 and that the response body contains a non-null 'id' field. Which Postman test code accomplishes this?

Answer choices

Why each option matters

Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.

Correct answer & explanation

✓

pm.test('Status code is 200', () => { pm.response.to.have.status(200); }); pm.test('ID exists', () => { pm.expect(pm.response.json().id).to.not.be.null; });

pm.response.to.have.status checks the status; pm.expect and pm.response.json() access the body.

Answer analysis

Option-by-option breakdown

For each option: why learners choose it and why it is or isn't the right answer here.

  • ✓

    pm.test('Status code is 200', () => { pm.response.to.have.status(200); }); pm.test('ID exists', () => { pm.expect(pm.response.json().id).to.not.be.null; });

    Why this is correct

    Correct syntax for both checks.

  • ✗

    pm.response.to.have.status(200); if(pm.response.json().id) { console.log('exists'); }

    Why it's wrong here

    Not using pm.test; console.log not a test.

  • ✗

    pm.expect(pm.response.code).to.equal(200); pm.expect(pm.response.json().id).to.not.be.null;

    Why it's wrong here

    Missing pm.test wrapper; not recommended.

  • ✗

    pm.test('Status code is 200', () => { pm.response.to.have.status(200); }); pm.test('ID exists', () => { pm.expect(pm.response.json().id).to.be.null; });

    Why it's wrong here

    Expects null, which is incorrect.

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Written by Johnson Ajibi, MSc IT Security

Senior Network & Security Engineer · founder of Courseiva

This 200-901 practice question is part of Courseiva's free Cisco certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the 200-901 exam.