REST API MCQ: REST API Multiple Choice Questions and Answers

The following quiz provides Multiple Choice Questions (MCQs) related to the REST API Framework. REST API MCQ with answers and explanations for placement tests and job interviews. These solved REST API MCQ are useful for the campus placement for all freshers including Engineering Students, MCA students, Computer and IT Engineers, etc.

Our REST API MCQ ( REST API multiple Choice Questions ) focuses on all areas of REST API and its concept. We will regularly update the quiz and most interesting thing is that questions come in a random sequence. So every time you will feel new questions.

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Guideline of REST API MCQ:

This REST API MCQ is intended for checking your REST API framework knowledge. It takes 1 hour, 5 minutes to pass the REST API MCQ. If you don’t finish theREST API MCQ within the mentioned time, all the unanswered questions will count as wrong. You can miss the questions by clicking the “Next” button and return to the previous questions by the “Previous” button. Every unanswered question will count as wrong. MCQ on REST API has features of randomization which feel you a new question set at every attempt.

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REST API MCQ

REST API MCQ: REST API Multiple Choice Questions and Answers

1 / 65

What is OAuth?

an approach to single sign-on for APIs

an authorization framework for granted delegated access

a method for API authentication

HTTP Basic Authentication 2.0

2 / 65

What does REST in REST API stand for?

Representational State Tool

Reference State Tool

Representational State Transfer

Reference State Transfer

3 / 65

What is the modern specification for describing an API?

WADL

OpenAPI (Swagger)

WSDL

OAuth

4 / 65

What is one benefit that OAuth provides over an API key approach?

A token is encrypted.

A token is encoded.

A token is scoped to the use case.

A token can be shared between systems.

5 / 65

Which is the most secure method to transmit an API key?

URL parameter

Authorization header

Base64 encoding

Basic Auth

6 / 65

Which of the following component of HTTP request contains message content or Resource representation?

Request Body

HTTP Version

Request Header

URI

7 / 65

What component hides the distinctions or boundaries between various microservices from end-client applications?

API logging

API gateway

a layered system

API proxy

8 / 65

The type of operation requested is determined by:

HTTP method

HTTP status code

Resource path

Query string

9 / 65

Which property would you use to include subresources directly into a JSON document?

\_embedded

resources

subresources

\_links

10 / 65

Request Header - Contains metadata for the HTTP Request message as key-value pairs.

True

False

11 / 65

Which of the following HTTP method should be read only in nature?

GET

POST

PUT

DELETE

12 / 65

What would you enable to allow a browser on another site to make an AJAX request to your API?

HTTP

REST

OPTIONS

CORS

13 / 65

Using OAuth, what scope would you request for write access to the API?

It varies from API to API.

admin

write

read-write

14 / 65

What protection does a JSON Web Token (JWT) offer to mitigate tampering with its contents?

transport over SSL

encrypted payload

a signature

encoded payload

15 / 65

What is the purpose of an OAuth refresh token?

to share user profile information

to update an API configuration

to keep a web session active

to retrieve an access token

16 / 65

Which is a benefit of using an API gateway?

HTTP verbs

JSON payloads

HTTP response codes

rate limiting/throttling

17 / 65

Which component is used for specifying the protocol used for transmitting the request?

URI host

GET

URI scheme

Resource path

18 / 65

What component can you use to wrap legacy architectures or protocols into a REST interface for easier consumption and integration?

API gateway

OpenAPI

OAuth authorization server

API proxy

19 / 65

Which REST constraint allows for the presence of caching, routing, and other systems between the client and server?

Layered System

Stateless

Client-Server

Cacheable

20 / 65

Which is a common command-line tool for using or exploring an API?

bash

curl

powerShell

ssh

21 / 65

The textbook approach to api versioning is to use _____.

common knowledge

URLs

no versioning

the Accept header

22 / 65

Which of the following component of HTTP response contains response message content or Resource representation?

Status/Response Code

Response Header

HTTP Version

Response Body

23 / 65

Which one of the following is not a component of REST API request/response?

request URI

request message header

request message body

None of the above

24 / 65

Which property would you use to include references to other resources in a JSON document?

subresources

_embedded

resources

_links

25 / 65

What is the underlying goal of all APIs?

to add new technologies to an organization's infrastructure.

to move infrastructure to the cloud.

to share features and functionality with other system.

to appease the latest digital transformation effort.

26 / 65

Which content is best to include in your documentation?

your tech stack

reasoning for your naming schema

your mission statement

sample code

27 / 65

What is Time to First Hello World?

how long it takes to start a new programming language

how long it takes to read your documentation

how long it takes for a developer to do something with your API

how long it takes to install your SDK

28 / 65

Which of the following HTTP Status code means NOT FOUND, states that method is not available?

400

404

401

402

29 / 65

Which HTTP method is supported by Azure REST API?

GET

POST

PUT

All of the above

30 / 65

What is one benefit of GraphQl over REST approaches?

flexible querying/responses

more stable APIs

compatible with more gateways

more secure by default

31 / 65

Which one of the following is not a part of the request URI?

GET

URI scheme

Resource path

None of the above

32 / 65

The ability to execute the same API request over and over again without changing the resource's state is an example of _.

stateless architecture

a uniform interface

cacheability

idempotency

33 / 65

Which REST constraint specifies that there should be no shared context?

Stateless

Client-Server

Uniform Interface

Cacheable

34 / 65

Which OAuth grant type can support a refresh token?

Authorization Code Grant

Client Credentials Grant

Implicit Grant

Authentication Grant

35 / 65

What should you add to a Cache-Control response header to specify that a response should not be stored in an intermediary cache?

no-proxy

client-only

restricted

private

36 / 65

API testing must be treated as ______?

red team testing

white box testing

blue box testing

black box testing

37 / 65

What is the concept that allows an API client to explore an API via links embedded in payloads?

hypermedia

link relations

parsing

browsing

38 / 65

What is OpenID Connect?

an identify layer on top of OAuth 2.0

the new name for SAML 3.0

a modern replacement for API keys

an SSO competitor for OAuth 2.0

39 / 65

What OAuth term is used to represent permissions?

token

scope

claim

back channel

40 / 65

APIs commonly use webhooks to **\*\*\*\***\_\_\_\_**\*\*\*\***.

log additional data

notify other systems of an event

catch error faster

improve error logging

41 / 65

Which response header tells the client and intermediaries that the response is not to be cached anywhere?

Cache-State: none

Expires:-1

Cache-Control: no-cache

Cache-Control: no-store

42 / 65

What metric tracks overall availability for your API?

Response Time

Time to First Hello World

TTL

Uptime

43 / 65

What type of relationship is defined as one resource existing only if another parent resource exist-for example, pages in a book?

Partial

dependent

associative

linked

44 / 65

Which HTTP verb is used in a CORS preflight request?

PUT

POST

GET

OPTIONS

45 / 65

Which HTTP verb is normally used to update or create a resource in an API?

SUBMIT

WRITE

POST

CREATE

46 / 65

Which request URI component of REST API gives domain name or IP address of the server where REST service endpoint is hosted?

URI scheme

URI host

Resource path

Query string

47 / 65

Choose the correct option with reference to REST API.

There is no default media type for both requests and responses.

The default media type for requests and responses is application/json.

The default media type for requests is application/json while there is no default media type for responses.

The default media type for responses is application/json while there is no default media type for requests.

48 / 65

What additional type of token would you see when using OpenID Connect?

ID token

refresh token

access token

auth code token

49 / 65

What is the best way to track SDK and version usage?

tracking downloads

Accept headers

user agents

polling users

50 / 65

Your API resource does no allow deletion, and a client application attempted to delete the resource. What HTTP respose code should you return?

409 Conflict

400 Bad Request

406 Not Acceptable

405 Method Not Allowed

51 / 65

Which URL pattern s recommended when working with one resource and a collection of resources?

/companies/{id} and/company

/company/{id} and/companies

/companies/{id} and/companies

/company/{id} and/company

52 / 65

What is the purpose of a link relation?

to describe relationships between resources or actions

to describe subresources related to the current one

to link two resources together

to describe a resource and its purpose

53 / 65

When dealing with JSON web Tokens (JWTs), what is a claim?

data in the token

Ownership

a permission

and integer

54 / 65

API traffic that is entirely internal to your organization is normally called ____?

inbound traffic

north-south traffic

internal traffic

east-west traffic

55 / 65

What purpose does a User-Agent serve?

It identifies if the API should accept microservice traffic.

It identifies if the API should expect a user authentication.

It identifies the client application or SDK.

It identifies the user ID.

56 / 65

What is one benefit of server-side caching in APIs?

Mobile app work better.

It improves uptime.

It offers better security.

It reduce load on servers.

57 / 65

What should your API documentation describe?

JSON

HTTP

common use cases

your tech stack

58 / 65

When a user attempts to access a record that is not their own, which HTTP response code is the most appropriate?

403

405

401

404

59 / 65

Within Oauth, what component validates the user's identity?

client

not specified

authorization server

resource server

60 / 65

Which response header will tell the client that the response is cached for 1 minute?

Expires: 1 minute

Cache-Control: max-age=60

Expires: 1 January 2020

Cache-Expires: max-age=60

61 / 65

What is the recommended method and URL pattern for retrieving a specific user?

GET /user/{id}

GET /users/{id}

GET /user?id={id}

GET /users?id={id}

62 / 65

Which REST constraint specifies that knowledge and understanding obtained from one component of the API should be generally applicable elsewhere in the API?

Uniform Interface

Client-Server

Stateless

Chacheable

63 / 65

If you were to add versioning by using the Accept and Content-Type header, what would be the correct format of the header value?

application/json

application/json_version2

application/vnd.myapp.v2+json

text/html

64 / 65

What is the best approach for requesting JSON instead of XML from an API?

Add .json to the URL.

APIs do not use XML.

Use the Content-Type header.

Use the Accept header.

65 / 65

Which request URI component is optional?

URI host

URI scheme

Query string

Resource path

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