data structures and backend with java coursera week 3 quiz answers

Rest - Practice Quiz

1. What is the purpose of initializing a RESTful Web Service?

  • To define the HTTP methods that the service will support.
  • To implement the business logic of the service.
  • To configure the security settings for the service.
  • To define the data model for the service.

2. What is the purpose of enhancing the Hello World Service with a Path Variable?

  • To enable the service to handle HTTP POST requests.
  • To extract dynamic values from the URL path in the service.
  • To configure security settings for the service.
  • To define the data model for the service.

3. What is the purpose of implementing the POST Method to create a User Resource in a RESTful Web Service?

  • To retrieve all the Posts of a User.
  • To delete a User Resource from the server.
  • To update an existing User Resource on the server.
  • To create a new User Resource on the server.

4. What is the purpose of implementing the DELETE Method to delete a User Resource in a RESTful Web Service?

  • To retrieve all the Posts of a User.
  • To update an existing User Resource on the server.
  • To create a new User Resource on the server.
  • To delete an existing User Resource from the server.

5. What is the purpose of implementing a GET service to retrieve all Posts of a User in a RESTful Web Service?

  • To create a new User Resource on the server.
  • To update an existing User Resource on the server.
  • To delete a User Resource from the server.
  • To retrieve all the Posts of a User from the server.

JPA & Hibernate- Practice Quiz

6. What is JPA?

  • Java Persistence Application
  • Java Persistent API
  • Java Persistence API
  • Java Persistent Application

7. What is Hibernate (HB) used for?

  • Java Persistence API
  • Java Object-Relational Mapping (ORM) framework
  • Java Persistent Application
  • Java Persistence Architecture

8. What is the architecture of Hibernate (HB)?

  • Two-tier architecture
  • Three-tier architecture
  • Four-tier architecture
  • Five-tier architecture

9. What is the first step to create a Hibernate (HB) example?

  • Create a database schema
  • Define Java classes for mapping to database tables
  • Create a configuration file for Hibernate
  • Implement the DAO (Data Access Object) pattern

10. What are the benefits of using Object-Relational Mapping (ORM) frameworks like Hibernate (HB)?

  • Simplifies database operations
  • Increases performance
  • Adds complexity to the application
  • Decreases scalability

Leave a Reply