oauth2.0

Question 2

What does OAuth 2.0 stand for?

Answer 2

Open Authorization 2.0

Question 3

True or False: OAuth 2.0 is a protocol for authorization.

Answer 3

True

Question 4

Fill in the blank: OAuth 2.0 allows third-party applications to obtain limited access to a user’s resources without sharing the user’s _____ .

Answer 4

credentials

Question 5

What are the four main roles in the OAuth 2.0 framework?

Answer 5

Resource Owner, Client, Authorization Server, Resource Server

Question 6

Which grant type is used for user authentication in OAuth 2.0?

Answer 6

Authorization Code Grant

Question 7

True or False: The Resource Owner is typically the end-user.

Answer 7

True

Question 8

What is the purpose of an access token in OAuth 2.0?

Answer 8

To grant the client access to the resource owner’s resources.

Question 9

Multiple Choice: Which of the following is NOT a grant type in OAuth 2.0? A) Authorization Code B) Resource Owner Password Credentials C) Implicit Grant D) Session Grant

Answer 9

D) Session Grant

Question 10

What is the role of the Authorization Server?

Answer 10

To issue access tokens to the client after successfully authenticating the Resource Owner.

Question 11

Fill in the blank: In OAuth 2.0, a _____ is a string representing an access request.

Answer 11

token

Question 12

True or False: OAuth 2.0 uses JSON Web Tokens (JWT) exclusively for access tokens.

Answer 12

False

Question 13

What is the difference between access tokens and refresh tokens?

Answer 13

Access tokens are used to access resources, while refresh tokens are used to obtain new access tokens.

Question 14

Multiple Choice: Which of the following is a valid OAuth 2.0 flow for server-to-server communication? A) Authorization Code Grant B) Client Credentials Grant C) Implicit Grant D) Device Authorization Grant

Answer 14

B) Client Credentials Grant

Question 15

What does the ‘scope’ parameter define in an OAuth 2.0 request?

Answer 15

The scope parameter defines the level of access that the client is requesting.

Question 16

Fill in the blank: OAuth 2.0 is designed to work over _____ .

Answer 16

HTTP

Question 17

True or False: OAuth 2.0 provides authentication and authorization in a single step.

Answer 17

False

Question 18

What is the purpose of the ‘redirect_uri’ parameter in the OAuth 2.0 flow?

Answer 18

To specify where the authorization server should send the user after granting access.

Question 19

Multiple Choice: Which grant type is most suitable for a mobile application? A) Authorization Code Grant B) Implicit Grant C) Client Credentials Grant D) Resource Owner Password Credentials

Answer 19

B) Implicit Grant

Question 20

What is an authorization code in OAuth 2.0?

Answer 20

A temporary code that the client exchanges for an access token.

Question 21

Fill in the blank: The OAuth 2.0 specification is defined in _____ .

Answer 21

RFC 6749

Question 22

True or False: OAuth 2.0 can be used for both web applications and mobile applications.

Answer 22

True

Question 23

What is a common use case for OAuth 2.0?

Answer 23

Allowing users to log into a third-party application using their social media account.

Question 24

Multiple Choice: Which of the following is NOT a requirement for a client in OAuth 2.0? A) Client ID B) Client Secret C) User Credentials D) Redirect URI

Answer 24

C) User Credentials

Question 25

What is the purpose of the 'state' parameter in an OAuth 2.0 request?

Answer 25

To maintain state between the request and callback, and to prevent CSRF attacks.