GraphQL Nihileswaran No Comment 12Feb Share Welcome to CHOOLS GRAPHQL ASSESSMENT (YOU HAVE ONLY 30 MINUTES TO COMPLETE THIS PART [20 Questions]) **** Wishing You All The Best **** Instructions : To start the quiz, please provide your name, email id and phone number. All questions are mandatory* Answering each question is required before going on to the next page of questions. Your response is subject to change at any time. After completed the quiz click the submit button. If, once the time is up, it will be automatically submitted. The report will be mailed to your email address after the quiz is finished. 1. Which type of operation in GraphQL is used for real-time data updates? Query Mutation Subscription Directive2. Which of the following is a valid GraphQL subscription operation? subscribe { newMessages } mutation { subscribe(newMessages) } query { subscribe(newMessages) } subscription { onNewMessage }3. What is the purpose of the schema stitching in GraphQL? To merge multiple GraphQL schemas into a single schema To split a large schema into smaller schemas To create a schema dynamically at runtime To validate the schema against a predefined standard4. What is the purpose of the @client directive in GraphQL? To indicate that the field should be resolved on the client side To specify the data type of a field To mark a field as deprecated To include comments in a query5. What does the term "N+1 problem" refer to in the context of GraphQL? A query with multiple nested fields Inefficient loading of related data in a batch A security vulnerability Lack of proper documentation6. What is the purpose of the fragments keyword in a GraphQL query? To define a reusable piece of a query To group multiple queries together To include comments in a query To exclude certain fields from the response7. What is the purpose of the @skip and @include directives in GraphQL? To exclude or include fields based on a condition To define custom scalar types To perform mathematical calculations in queries To specify default values for query parameters8. What is a resolver in GraphQL? A function that defines how to retrieve data for a field A type of query A security measure A data validation rule9. What is the purpose of the enum type in GraphQL? To represent a field that can have multiple types To define a one-to-many relationship between types To create a subset of the schema To represent a set of predefined values10. How does GraphQL handle circular references in a schema? By automatically resolving the circular references By throwing an error and preventing circular references By requiring the use of custom directives to handle circular references Circular references are not allowed in GraphQL11. Which of the following is a valid GraphQL query syntax? { name: "John" } query { name: "John" } query { user(name: "John") } { query: { name: "John" } }12. What is a mutation in GraphQL? A query that fetches data A query that modifies data A type of subscription A way to create new schemas13. What is the purpose of the __typename field in GraphQL? To specify the name of the query To indicate the type of the current object To define custom scalar types To exclude a field from the response14. Which HTTP method is commonly used with GraphQL? GET POST PUT DELETE15. What is the purpose of the on keyword in a GraphQL fragment? To filter data based on a condition To specify the type on which the fragment can be used To join multiple fragments together To create an alias for a field16. Which of the following is NOT a scalar type in GraphQL? String Int List Boolean17. What is the purpose of the union type in GraphQL? To represent a field that can have multiple types To perform set operations on queries To define a one-to-many relationship between types To create a subset of the schema18. What does GraphQL stand for? Graph Query Language General Query Language Graphical Query Language Global Query Language19. How can you secure a GraphQL API? By using HTTPS for communication By implementing authentication and authorization By limiting the depth and complexity of queries All of the above20. How does GraphQL handle errors in a response? By ignoring errors and returning partial data By automatically fixing errors in the query By returning a well-defined error format By terminating the entire request on the first error5 out of 4Time is Up! Previous R February 12, 2024 Next Laravel February 12, 2024 You Might Also Like Hello world CHOOLS No Comment How to Disable Avast Antivirus CHOOLS No Comment AVG Review — Is the Absolutely free Version As effective as the Premium Version? CHOOLS No Comment Understanding the Limitations of Models of Managing CHOOLS No Comment Careers Similar To Teaching CHOOLS No Comment