GraphQL

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 of the following is a reserved keyword in GraphQL?

select

query

fetch

retrieve

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

{ variable: "value" }

$variable: "value"

variable = "value"

variable: "value"

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

Using parentheses ()

Using square brackets []

Using curly braces {}

Using angle brackets <>

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

Date

Object

Function

Promise

5. 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

6. 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

7. 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

8. 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

9. 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

10. 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

11. 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

12. 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 field

13. Who developed GraphQL?

Facebook

Google

Microsoft

Twitter

14. 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

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

subscribe { newMessages }

mutation { subscribe(newMessages) }

query { subscribe(newMessages) }

subscription { onNewMessage }

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

String

Int

List

Boolean

17. 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

18. 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 error

19. 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

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

alias

with

rename

5 out of 4

Hello!

We are happy to see you again!

Login to your account

Register to start learning

GraphQL

GraphQL

R

Laravel

You Might Also Like

Hello world

How to Disable Avast Antivirus

AVG Review — Is the Absolutely free Version As effective as the Premium Version?

Understanding the Limitations of Models of Managing

Careers Similar To Teaching