API GraphQL & SOAP Testing 2

Question 1

What is a WSDL file used for in SOAP web services?

Accepted Answer

Describe the SOAP service's operations, messages, and endpoint location in XML

Answer

Define the database schema

Answer

Encrypt SOAP messages

Answer

Set SOAP rate limits

Question 2

What is the GraphQL introspection query used for?

Accepted Answer

Query the schema to discover available types, fields, and operations

Answer

Authenticate with the GraphQL server

Answer

Monitor GraphQL performance

Answer

Test GraphQL mutations

Question 3

What is the 'N+1 query problem' in GraphQL testing?

Accepted Answer

Fetching a list then making N additional queries for each item's related data

Answer

Running one extra test per endpoint

Answer

Using one extra authentication call

Answer

Making N backup requests per mutation

Question 4

What is a GraphQL 'subscription' used for?

Accepted Answer

Receiving real-time data push updates from the server over WebSocket

Answer

Paying for GraphQL API access

Answer

Subscribing to API changelog notifications

Answer

Defining optional query fields

Question 5

What security concern should testers check when introspection is enabled on a production GraphQL API?

Accepted Answer

Exposing the full schema to attackers, revealing sensitive types and mutations

Answer

Slow query performance

Answer

Incorrect HTTP status codes

Answer

Missing CORS headers

Question 6

Which testing tool provides a browser-based IDE specifically for testing GraphQL APIs?

Accepted Answer

GraphiQL

Answer

Swagger UI

Answer

Postman only

Answer

Insomnia only