GraphQL Type System lvl.1

What is a GraphQL Object Type?

• A type that represents a kind of object you can fetch from a GraphQL service

• A type that represents a scalar value in GraphQL

• A type that represents an interface in GraphQL

• A type that represents a union in GraphQL

What is the purpose of the schema in GraphQL?

• To define the set of possible data that can be queried on a GraphQL service

• To define the implementation-specific details of a GraphQL service

• To define the programming language syntax used in a GraphQL service

• To define the types and fields available in a GraphQL service

What is a scalar type in GraphQL?

• A type that represents a single scalar object and can't have sub-selections

• A type that represents an array of objects

• A type that represents an interface in GraphQL

• A type that represents a union in GraphQL

What is the purpose of an enum type in GraphQL?

• To restrict a field to a particular set of allowed values

• To define a type that represents a kind of object you can fetch from a GraphQL service

• To define a type that represents a scalar value in GraphQL

• To define a type that represents an interface in GraphQL

What is the purpose of an interface in GraphQL?

• To define a set of fields that a type must include to implement the interface

• To restrict a field to a particular set of allowed values

• To define a type that represents a kind of object you can fetch from a GraphQL service

• To define a type that represents a scalar value in GraphQL

What is the purpose of a union type in GraphQL?

• To represent a type that can be one of several different types

• To define a set of fields that a type must include to implement the interface

• To restrict a field to a particular set of allowed values

• To define a type that represents a kind of object you can fetch from a GraphQL service

What is the purpose of an input type in GraphQL?

• To pass complex objects as arguments into a field

• To represent a type that can be one of several different types

• To define a set of fields that a type must include to implement the interface

• To restrict a field to a particular set of allowed values

What is the purpose of the Non-Null type modifier in GraphQL?

• To indicate that a field or argument cannot be null

• To indicate that a field or argument can be null

• To indicate that a field or argument can have multiple values

• To indicate that a field or argument can have a list of values

What is the purpose of the List type modifier in GraphQL?

• To indicate that a field or argument can have a list of values

• To indicate that a field or argument cannot have a list of values

• To indicate that a field or argument can be null

• To indicate that a field or argument cannot be null

What is the purpose of the __typename field in GraphQL?

• To differentiate different data types from each other on the client

• To indicate the name of a field in a GraphQL query

• To indicate the name of a type in a GraphQL schema

• To indicate the name of an argument in a GraphQL query