GraphQL quiz medium level

Test description

Designed for mid-level specialists, this test was created to assess your knowledge on Apollo and on the following GraphQL concepts: error management, performance optimization, understanding of underlying mechanisms, best practices, etc.

Sample questions

1
How do we check if an error has occurred while fetching data?

Using the status code from the GraphQL call

We get a different body when there was an error in the call

Through the `error` node in the response

Errors are not exposed in GraphQL. If there was an error, we get `null`

Results between 1-5 / 20	19.35%
Results between 6-10 / 20	61.29%
Results between 11-15 / 20	16.13%
Results between 16-20 / 20	3.23%
Average results 8 / 20

GraphQL quiz medium level

Test description

Sample questions

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