Module Quiz: Introduction to REST APIs :Working with Data in iOS (Meta iOS Developer Professional Certificate) Answers 2026

Question 1

Which of the following is a recommended best practice when naming the URI for a REST API endpoints?

✅ Do not use camelCase, PascalCase or Title case.
❌ Use special characters in the endpoint URLs.
❌ Use abridged, or shortened, words in your URI.
❌ Use HTTPS to encrypt API communications.

Explanation:
REST URI naming me lowercase letters aur hyphen use karna best practice hota hai. HTTPS security se related hai, naming se nahi.

Question 2

What is the benefit of using a query string for data filtering in API design?

✅ It provides a standardized way of specifying filtering parameters.
❌ It allows for more complex filtering options than other approaches.
❌ It improves the security of the API by limiting access to certain data.
❌ It reduces the amount of data transmitted between the client and server.

Explanation:
Query strings (?status=active) ek standard aur readable tareeka dete hain filtering specify karne ka.

Question 3

When would you use the HTTP PUT method over the HTTP PATCH method?

❌ When creating a new resource.
❌ When updating a small portion of a resource.
❌ When updating multiple resources at once.
✅ When updating a large portion of a resource.

Explanation:

• PUT → poora ya major resource update

• PATCH → partial update

Question 4

Which of the following best illustrates the difference between authentication and authorization?

❌ Authentication is allowing access, authorization is identity verification.
❌ Authentication verifies identity, authorization allows file upload only.
✅ Authentication is verifying a user’s identity, while authorization allows access to specific features.

Explanation:

• Authentication = Who are you?

• Authorization = What are you allowed to do?

Question 5

Which of the following HTTP status codes are used to indicate client-side and server-side errors? (Select all that apply)

❌ 201 – Created
✅ 503 – Service unavailable
✅ 404 – Not found
❌ 301 – Moved permanently
✅ 403 – Forbidden

Explanation:

• 4xx → Client errors (404, 403)

• 5xx → Server errors (503)

Question 6

Which of the following are valid Accept headers for requesting XML content? (Select all that apply)

✅ application/xml
✅ text/xml
❌ code/xml
❌ application/x-xml
❌ application/xml-content

Explanation:
Standard MIME types for XML: application/xml aur text/xml.

Question 7

Which of the following statements about Insomnia is true?

❌ Insomnia is a programming language.
✅ Insomnia is a REST API client used to test and debug RESTful APIs.
❌ Insomnia is a RESTful web service.
❌ Insomnia is a browser extension.

Explanation:
Insomnia ek API testing tool hai (Postman jaisa).

Question 8

What is the primary purpose of authentication in a REST API?

❌ To establish a secure connection.
❌ To encrypt data in transit.
❌ To store client state information.
✅ To verify the identity of the client and provide access to protected resources.

Explanation:
Authentication ka main goal identity verification hota hai.

Question 9

What are the primary benefits of using a REST API?

❌ REST API promotes a highly-coupled system design.
✅ REST API provides a uniform interface using standard HTTP methods.
❌ REST API requires a specific programming language.

Explanation:
REST loosely coupled, scalable aur HTTP standards par based hota hai.

Question 10

What’s the semantic meaning of the 403 status code?

❌ Bad request
❌ Unauthorized
✅ Forbidden

Explanation:
403 ka matlab: User authenticated ho sakta hai, par access allowed nahi hai.

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