GraphQL

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GRAPHQL

ASSESSMENT

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

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

Using parentheses ()

Using square brackets []

Using curly braces {}

Using angle brackets <>

2. 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

3. 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

4. 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 schema

5. What does GraphQL stand for?

Graph Query Language

General Query Language

Graphical Query Language

Global Query Language

6. 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

7. 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

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

alias

with

rename

9. 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 versioning

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

{ name: "John" }

query { name: "John" }

query { user(name: "John") }

{ query: { name: "John" } }

11. 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 documentation

12. 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 permissions

13. Which HTTP method is commonly used with GraphQL?

GET

POST

PUT

DELETE

14. What is GraphQL?

A database management system

A programming language

A query language for APIs

An operating system

15. 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

16. Which of the following is a valid scalar type in GraphQL?

Date

Object

Function

Promise

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

select

query

fetch

retrieve

18. 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 query

19. 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

20. Who developed GraphQL?

Facebook

Google

Microsoft

Twitter

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