GraphQL

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GRAPHQL

ASSESSMENT

(YOU HAVE ONLY 30 MINUTES TO COMPLETE THIS PART [20 Questions])

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1. 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 response

2. Which of the following is a valid GraphQL subscription operation?

subscribe { newMessages }

mutation { subscribe(newMessages) }

query { subscribe(newMessages) }

subscription { onNewMessage }

3. What is the role of the subscriptions field in a GraphQL schema?

To define the types of subscriptions supported by the API

To specify the default values for subscription parameters

To control access permissions for subscriptions

To indicate the version of the GraphQL schema

4. GraphQL, how are arguments passed to a field?

Using parentheses ()

Using square brackets []

Using curly braces {}

Using angle brackets <>

5. 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 standard

6. In GraphQL, what is a schema?

A type of database

A query

A way to structure data

A programming language

7. Which HTTP method is commonly used with GraphQL?

GET

POST

PUT

DELETE

8. Which keyword is used to alias fields in a GraphQL query?

alias

with

rename

9. 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 version

10. 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 GraphQL

11. 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 GraphQL

12. Which of the following is a reserved keyword in GraphQL?

select

query

fetch

retrieve

13. What is the purpose of the relay package in GraphQL?

To handle pagination and connections in a standardized way

To provide authentication for GraphQL queries

To optimize query performance

To enable offline support for GraphQL queries

14. Which of the following is a valid GraphQL query syntax?

{ name: "John" }

query { name: "John" }

query { user(name: "John") }

{ query: { name: "John" } }

15. What does GraphQL stand for?

Graph Query Language

General Query Language

Graphical Query Language

Global Query Language

16. 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 GraphQL

17. What is GraphQL?

A database management system

A programming language

A query language for APIs

An operating system

18. 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 response

19. What is the purpose of the fragment keyword in GraphQL?

To define a reusable piece of a query

To group multiple queries together

To define a new scalar type

To include comments in a query

20. Which of the following is a valid way to provide variables in a GraphQL query?

{ variable: "value" }

$variable: "value"

variable = "value"

variable: "value"

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