GraphQL

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GRAPHQL

ASSESSMENT

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

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1. 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

2. Who developed GraphQL?

Facebook

Google

Microsoft

Twitter

3. 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 field

4. Which of the following is NOT a scalar type in GraphQL?

String

Int

List

Boolean

5. 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 rule

6. 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 schemas

7. 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

8. Which HTTP method is commonly used with GraphQL?

GET

POST

PUT

DELETE

9. 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

10. 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 parameters

11. 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 measures

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

subscribe { newMessages }

mutation { subscribe(newMessages) }

query { subscribe(newMessages) }

subscription { onNewMessage }

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

{ variable: "value" }

$variable: "value"

variable = "value"

variable: "value"

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

Using parentheses ()

Using square brackets []

Using curly braces {}

Using angle brackets <>

15. 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

16. How can you document a GraphQL schema?

Using comments in the schema definition

By creating a separate documentation file

By using the @doc directive

Documentation is not supported in GraphQL

17. 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

18. 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 values

19. What does GraphQL stand for?

Graph Query Language

General Query Language

Graphical Query Language

Global Query Language

20. 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

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