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. 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 GraphQL2. Which of the following is a valid scalar type in GraphQL? Date Object Function Promise3. In GraphQL, what is a schema? A type of database A query A way to structure data A programming language4. 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 schema5. Which of the following is a valid GraphQL query syntax? { name: "John" } query { name: "John" } query { user(name: "John") } { query: { name: "John" } }6. What does GraphQL stand for? Graph Query Language General Query Language Graphical Query Language Global Query Language7. 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 query8. What is the purpose of the @deprecated directive in GraphQL? To mark a field or enum value as deprecated To enable caching for a specific query To define default values for fields To specify the data type of a field9. In GraphQL, what is the purpose of directives? To define custom scalar types To conditionally include or skip fields To create mutations To specify the schema version10. Which of the following is a valid GraphQL subscription operation? subscribe { newMessages } mutation { subscribe(newMessages) } query { subscribe(newMessages) } subscription { onNewMessage }11. 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 field12. 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 documentation13. How can you perform batching of queries in GraphQL? By using the @batch directive By wrapping multiple queries in a single request By specifying a batch size in the schema Batching is not supported in GraphQL14. How does GraphQL handle versioning of APIs? It automatically updates the schema based on client requests It relies on the use of custom directives for versioning It uses a fixed schema with backward-compatible changes It does not support versioning15. Which of the following is a reserved keyword in GraphQL? select query fetch retrieve16. How does GraphQL handle batched mutations? By executing mutations sequentially By parallelizing the execution of mutations By limiting the number of mutations in a single request Batched mutations are not supported in GraphQL17. What is the purpose of the introspection in GraphQL? To improve query performance To provide documentation about the schema To validate queries at runtime To enforce security measures18. What is the role of the context in GraphQL resolvers? It defines the structure of the schema It provides a way to share information between resolvers It specifies the data types of fields It controls the access permissions19. 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!
