Data Contract — Learn free

Self-check

Questions 1–10 of 10

1. What is a data contract?
Question 1A. A formal agreement between systems that defines the structure, format and rules of the data exchanged between themB. A legal document for purchasing a database licenceC. An employment contract for data engineersD. A service-level agreement for server uptimeE. A marketing agreement to share customer lists
2. Which architectural trends make clearly defined data contracts increasingly essential?
Question 2A. Mainframes and batch printingB. Microservices architectures, APIs and distributed systemsC. Single-user desktop applicationsD. Paper-based record keepingE. Monolithic applications with no external interfaces
3. How do data contracts support interoperability?
Question 3A. By forcing all systems to use the same programming languageB. By storing all data in one central databaseC. By allowing different systems, even those built with different technologies, to interact seamlessly through a common contractD. By removing the need for validationE. By encrypting every message
4. Which of the following is NOT listed as a component of a comprehensive data contract?
Question 4A. Schema definitionB. Validation rulesC. Versioning strategyD. Pricing scheduleE. Error handling and responses
5. What does the validation rules component of a data contract define?
Question 5A. The programming language of the consumerB. The encryption algorithm used in transitC. How old versions are phased outD. The standard error codes returnedE. Constraints such as required fields, length limits and regex patterns
6. Which of the following technologies is listed as a compact and efficient format for serialising structured data when implementing data contracts?
Question 6A. Protocol Buffers (Protobuf)B. OpenAPI SpecificationC. GraphQL SDLD. JSON SchemaE. Microsoft Word
7. Which standard is used to define RESTful API structures, including request and response formats?
Question 7A. AvroB. OpenAPI Specification (OAS)C. Protocol BuffersD. GraphQL Schema Definition LanguageE. JSON Schema
8. Which schema-based serialisation framework is described as commonly used in big data applications?
Question 8A. OpenAPIB. GraphQL SDLC. AvroD. JSON SchemaE. Protobuf
9. What is described as one of the biggest challenges in managing data contracts?
Question 9A. Choosing a colour for the documentationB. Finding enough storage space for the contractsC. Getting lawyers to sign each contractD. Evolving them without breaking existing integrationsE. Translating them into multiple languages
10. Which versioning best practice for data contracts introduces changes gradually so that consumers can adopt new features at their own pace?
Question 10A. Backward compatibilityB. Deprecation strategiesC. Automated testingD. Schema definitionE. Feature flags