GraphQL

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GRAPHQL

ASSESSMENT

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

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

alias

with

rename

2. 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

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 a mutation in GraphQL?

A query that fetches data

A query that modifies data

A type of subscription

A way to create new schemas

5. What is the default query type in GraphQL?

Query

Get

Retrieve

6. Which HTTP method is commonly used with GraphQL?

GET

POST

PUT

DELETE

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

{ variable: "value" }

$variable: "value"

variable = "value"

variable: "value"

8. 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

9. 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

10. 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

11. 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

12. 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 above

13. 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

14. 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

15. 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

16. 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

17. 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

18. What is GraphQL?

A database management system

A programming language

A query language for APIs

An operating system

19. Which type of operation in GraphQL is used for real-time data updates?

Query

Mutation

Subscription

Directive

20. 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

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