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GraphQL Quiz Practice
Active Recall Drill Session
← Exit Session
Question 1 of 1
medium
GraphQL
What does the @key directive on a type declare in a federated subgraph?
A
That the field is required in all queries
B
That the type is an ENTITY — its instances can be referenced and extended across multiple subgraphs, identified by the specified key fields
C
That the field should be encrypted
D
That the type cannot be queried directly
Check Answer