LinkedIn Rest API Skill Assessment Answers 2022 | LinkedIn Skill Assessment

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• Any self-taught programmer who missed out on a computer science degree.

Here, you will find Rest API Quiz Answers in Bold Color which are given below. These answers are updated recently and are 100% correct✅ answers of LinkedIn Rest API Skill Assessment.

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LinkedIn Rest API Assessment Answers

Q1. 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

Q2. 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

Q3. When dealing with JSON web Tokens (JWTs), what is a claim?

•  data in the token
•  Ownership
•  a permission
•  and integer

Q4. Which REST contraint 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

Q5. What would you enable to allow a browser on another site to make an AJAX request to your API?

•  HTTP
•  REST
•  OPTIONS
•  CORS

Q6. APIs commonly use webhooks to **\*\*\*\***\_\_\_\_**\*\*\*\***.

•  notify other systems of an event
•  catch error faster
•  improve error logging
•  log additional data

Q7. What is the underlying goal of all APIs?

•  to add new technologies to an organization’s infrastructure.
•  to share features and functionality with other system.
•  to move infrastructure to the cloud.
•  to appease the latest digital transformation effort.

Q8. Which is a common command-line tool for using or exploring an API?

•  bash
•  curl
•  ssh
•  powerShell

Q9. What is the modern specification for describing an API?

•  OpenAPI (Swagger)
•  WADL
•  WSDL
•  OAuth

Q10. Which HTTP verb is normally used to update or create a resource in an API?

•  SUBMIT
•  WRITE
•  POST
•  CREATE

Q11. 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.

Q12. 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

Q13. 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

Q14. What is one benefit of GraphQl over REST approaches?

•  flexible querying/responses
•  more stable APIs
•  compatible with more gateways
•  more secure by default

Q15. Which REST constraint specifies that there should be no shared context?

•  Stateless
•  Client-Server
•  Uniform Interface
•  Cacheable

Q16. What purpose does a User-Agent serve?

•  It identifies the user ID.
•  It identifies the client application or SDK.
•  It identifies if the API should expect a user authentication.
•  It identifies if the API should accept microservice traffic.

Q17. 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
•  text/html
•  application/vnd.myapp.v2+json

Q18. 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.

Q19. The ability to execute the same API request over and over again without changing the resource’s state is an example of _.

•  stateless architecture
•  idempotency
•  a uniform interface
•  cacheability

Q20. What component can you use to wrap legacy architectures or protocols into a REST interface for easier consumption and integration?

•  API proxy
•  API gateway
•  OpenAPI
•  OAuth authorization server

Q21. What protection does a JSON Web Token (JWT) offer to mitigate tampering with its contents?

•  transport over SSL
•  encrypted payload
•  a signature
•  encoded payload

Q22. What OAuth term is used to represent permissions?

•  token
•  scope
•  claim
•  back channel

Q23. What additional type of token would you see when using OpenID Connect?

•  ID token
•  refresh token
•  access token
•  auth code token

Q24. 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 

Q25. Which OAuth grant type can support a refresh token?

•  Authorization Code Grant
•  Client Credentials Grant
•  Implicit Grant
•  Authentication Grant

Q26. Using OAuth, what scope would you request for write access to the API?

•  It varies from API to API.
•  admin
•  write
•  read-write

Q27. Which property would you use to include subresources directly into a JSON document?

•  \_embedded
•  resources
•  subresources
•  \_links

Q28. What is the best way to track SDK and version usage?

•  tracking downloads
•  Accept headers
•  user agents
•  polling users

Q29. Which REST constraint allows for the presence of caching, routing, and other systems between the client and server?

•  Layered System
•  Stateless
•  Client-Server
•  Cacheable

Q30. Which content is best to include in your documentation?

•  your tech stack
•  reasoning for your naming schema
•  your mission statement
•  sample code

Q31. What metric tracks overall availability for your API?

•  Response Time
•  Time to First Hello World
•  TTL
•  Uptime

Q32. 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}

Q33. 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

Q34. When building SDKs, which languages should you support?

•  Java, Javascript, and .NET
•  and you can support
•  PHP, Python, and Go
•  the languages that your target users use

Q35. Which property would you use to include references to other resources in a JSON document?

•  resources
•  _embedded
•  subresources
•  _links

Q36. What is OAuth?

•  an authorization framework for granted delegated access
•  an approach to single sign-on for APIs
•  a method for API authentication
•  HTTP Basic Authentication 2.0

Q37. What should your API documentation describe?

•  JSON
•  HTTP
•  common use cases
•  your tech stack

Q38. 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

Q39. What is Time to First Hello World?

•  how long it takes for a developer to do something with your API
•  how long it takes to start a new programming language
•  how long it takes to install your SDK
•  how long it takes to read your documentation

Q40. 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

Q41. What component hides the distinctions or boundaries between various microservices from end-client applications?

•  API gateway
•  API logging
•  a layered system
•  API proxy

Q42. The textbook approach to api versioning is to use _____.

•  common knowledge
•  URLs
•  no versioning
•  the Accept header

Q43. Which is the most secure method to transmit an API key?

•  URL parameter
•  Authorization header
•  Base64 encoding
•  Basic Auth

Q44. Within Oauth, what component validates the user’s identity?

•  client
•  not specified
•  authorization server
•  resource server

Q45. API traffic that is entirely internal to your organisation is normally called ____?

•  inbound traffic
•  north-south traffic
•  internal traffic
•  east-west traffic

Q46. 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.

Q47. When a user attempts to access a record that is not their own, whitch HTTP response code is the most appropriate?

•  403
•  404
•  401
•  405

Q48. Which is a benefit of using an API gateway?

•  HTTP verbs
•  JSON payloads
•  HTTP response codes
•  rate limiting/throttling

Q49. API testing must be treated as ______?

•  red team testing
•  white box testing
•  blue box testing
•  black box testing

Q50. Which HTTP verb is used in a CORS preflight request?

•  PUT
•  POST
•  GET
•  OPTIONS

Q51. 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

Q52. What is the concept that allows an API client to explore an API via links embedded in payloads?

•  hypermedia
•  link relations
•  parsing
•  browsing

Conclusion

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