GraphQL: DAY 1

Karl Marx Hof is a renowned municipal building in Vienna's 19th district, Döbling, opened in 1930, being the world's longest continuous residential building.

How long it is?

• 603 meters

• 910 meters

• 1,050 meters

• 1,520 meters

What is GraphQL?

• GraphQL is a programming language for front-end development.
• GraphQL is a query language for APIs.

• GraphQL is a type of database management system.
• GraphQL is a markup language for web design.

Which of the following statements is true about GraphQL?

• It fetches only the requested data from existing APIs.

• It makes it difficult for developers to get the exact data they need.

• GraphQL is known for its need of multiple requests to the API to fetch the data one needs.

Imagine you're building a news app.

You need to display a list of article headlines with the author's name for each article. How does GraphQL make this easier compared to a typical REST API?

• GraphQL helps you protect your website from hackers, while REST is less secure.

• GraphQL makes sure your website looks good across all devices, while REST doesn't.

• There is no major difference that makes them different.

• With GraphQL, you can get the headlines and author names in a single request, while REST might require multiple calls.

You're building a web page that displays user profiles and their recent activity. Why might you choose GraphQL for this project?

• GraphQL lets me fetch all the data I need in one go.

• GraphQL helps me make sure the data is in the right format.

• GraphQL works with the systems we already have.

• GraphQL makes it easier to learn how the API works.

In a GraphQL schema, what's the difference between scalar types and object types?

• Scalar types are defined by the backend, while object types are defined by the frontend.

• Scalar types represent single values, while object types represent groups of related values.

• Object types are one of the Scalar types.

Considering the schema provided, what can a client query for?

• The names and prices of all products.

• The product description for a specific product.

• Only the names, prices and description of all products.

Which of the following is the primary function of a GraphQL resolver?

• To provide the actual data that matches a client's query.

• To define the structure of data the client can request.

• Optimize database queries.

• Create a new GraphQL schema.

Which type of resolver is responsible for handling requests to update or delete data on the server?

• Query Resolver

• Mutation Resolver

• Field Resolver

Consider this GraphQL query,

which of the following is most likely true?

• There will be one query resolver and one field resolver involved.

• There will be one query resolver and two field resolvers involved.

• There will be one mutation resolver and two field resolvers involved.

• GraphQL cannot handle this type of query

Answer explanation