Building Microservices API in Go - Data Transfer Object

Building Microservices API in Go - Data Transfer Object

Assessment

Interactive Video

Information Technology (IT), Architecture

University

Hard

Created by

Wayground Content

FREE Resource

The video tutorial introduces Data Transfer Objects (DTOs) and their importance in maintaining modularity by separating domain objects from the user interface. It explains the process of implementing DTOs in the service layer, testing the application, and handling errors. The tutorial also covers refactoring code to shift DTO creation responsibility to domain objects and enhancing DTOs with status text for better clarity. The video concludes with a recap and a preview of the next topic on environment variables.

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the primary purpose of using DTOs in a software architecture?

To replace the need for a database

To directly expose domain objects to the user

To improve modularity and prevent domain object exposure

To increase the complexity of the system

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In the context of DTOs, what does the term 'modularity' refer to?

The ability to run multiple modules simultaneously

The separation of concerns within the application layers

The integration of all components into a single module

The use of modular programming languages

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the first step in transforming a domain object to a DTO?

Deleting the domain object

Creating a new database schema

Creating a copy of the domain object

Writing a new API endpoint

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which tags are used in DTOs to format the data for user-side communication?

JSON tags

XML tags

SQL tags

HTML tags

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What should be done if an error occurs during the transformation of a domain object to a DTO?

Log the error and retry the transformation

Return a nil customer response and the error

Convert the error to a warning

Ignore the error and continue

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How can you test the application after implementing DTOs?

By manually checking the database

By running a unit test

By executing 'go run main.go' and checking the output

By reviewing the code for syntax errors

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why is it beneficial to transfer the responsibility of creating DTOs to the domain object?

To reduce the number of files in the project

To centralize the knowledge of DTO construction

To eliminate the need for a service layer

To simplify the user interface

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