Developing with REST APIs and Azure Services

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Questions and Answers

What is REST API?

A REST API (RESTful API) is an application programming that conforms to the constraints of REST architectural style and does not allow for interaction with RESTful web services.

A REST API (RESTful API) is an application programming interface that conforms to the constraints of REST architectural style and does not allow for interaction with RESTful web services.

A REST API (RESTful API) is an application programming that allows for interaction with RESTful web services without constraints.

A REST API (RESTful API) is an application programming interface that conforms to the constraints of REST architectural style and allows for interaction with RESTful web services. (correct)

What is the role of URI (Uniform Resource Identifier) in RESTful APIs?

URIs represent the unique identifiers for each resource in the API (correct)

URIs define the security and authentication settings for the API

URIs define the structure of the API's data model

URIs determine the allowed set of HTTP methods for each resource

What is the significance of resources in RESTful APIs?

Resources represent the data entities exposed by the API (correct)

Resources are the network endpoints of the API

Resources are the protocols used to communicate with the API

Resources refer to the methods and operations provided by the API

Which status code is typically returned when a resource is successfully created in a RESTful service?

201 (Created) Signup and view all the answers

To test your mappings with AutoMapper, you need to create a test that does the thing(s). Call your bootstrapper class to create all the mappings and call MapperConfiguration.AssertConfigurationlsValid:

var config = AutoMapperConfiguration.Configure();config.AssertConfigurationIsValid() Signup and view all the answers

Choose the correct information about Azure Service Fabric microservice platform of Microsoft.

Azure Service Fabric is a distributed systems platform that makes it easy to package, deploy, and manage scalable and reliable microservices and containers. Signup and view all the answers

What is not a microservice attribute?

Combined functionality Signup and view all the answers

Which of the following is executed on each request in RESTful with ASP.NET Core Web API?

Middlewares Signup and view all the answers

What is the default CORS policy behavior in ASP.NET Core Web API if no policy is explicitly configured?

All cross-origin requests are blocked Signup and view all the answers

What are static files in ASP.NET Core API Project?

JavaScript files Signup and view all the answers

Which of the following is correct?

jQuery is a JavaScript library for calling ASP.NET Core Web API Signup and view all the answers

What is the purpose of using an AJAX JavaScript client with an ASP.NET Core Web API?

To make asynchronous HTTP requests to the Web API Signup and view all the answers

By passing parameters in the URL of the HTTP request

By using query string parameters in the URL Signup and view all the answers

What is not the purpose of a Media Formatter in web development?

To define the data type for attribute routing Signup and view all the answers

What is content negotiation?

Content negotiation is a mechanism that can be used to serve different representations of the same resource at a given URI, providing ability to their clients to decide the best suited representations. Signup and view all the answers

Study Notes

REST APIs

REST APIs are application programming interfaces that adhere to the constraints of the REST architectural style.
They allow interaction with RESTful web services.
URIs (Uniform Resource Identifiers) are unique identifiers for resources in an API.
Resources represent data entities exposed by the API.
Status code 201 (Created) is returned when a resource is successfully created in a RESTful service.

AutoMapper

To test AutoMapper mappings, create a test, instantiate a bootstrapper class, and call MapperConfiguration.AssertConfigurationIsValid().

Azure Service Fabric

Azure Service Fabric is a distributed systems platform that simplifies packaging, deployment, and management of scalable and reliable microservices and containers.

CORS is a mechanism used to enable cross-origin requests.
CORS policies are configured to manage such requests.

HTTP Headers

HTTP headers contain metadata about requests and responses.
Headers are crucial in RESTful APIs for defining request/response characteristics, including security and authentication.

Authentication

Authentication is the process of verifying a user's identity.
Authentication verifies who a user is and not what they have access to.

Authorization

Authorization is the process of verifying what a user has access to.
Authorization checks whether a user is permitted to access a given resource or action.

Data Transfer Objects (DTOs)

DTOs are classes used to transfer data between different layers or components of an application.
They encapsulate data needed for various operations within an application.

Content Negotiation and Media Types

Content Negotiation is used to determine the correct format for the response data, based on requests from clients.
Media types (MIME types) specify the format of the response, like JSON, XML, or others.

Model Binding

Model binding is a process in which .NET frameworks map incoming data from HTTP requests to application models (objects).
Model binding helps in extracting data from various sources (route data, form fields, query strings) to populate models.

OData

OData (Open Data Protocol) protocol enables clients to query and filter data efficiently, by using a standardized query syntax.
OData is used to retrieve or update entities, including multiple receivers.
The use of the filter parameter in OData is an essential tool in managing data.
OData enables querying/filtering and performing aggregations on data.

HTTP Methods

HTTP methods are used to specify actions on resources (GET, POST, PUT, DELETE).

Docker

Docker is a containerization platform that allows packaging, deployment, and management of applications and their dependencies.
Docker simplifies development and deployment of microservices.

gRPC

gRPC, or Remote Procedure Calls, is a framework for building RPC services.
gRPC relies on Protocol buffers for message serialization, and communication over HTTP/2.

Validation

Validation is the use of rules to ensure data integrity.
An action can have rules to validate the data coming from various sources such as a form, route data, or headers.

Microservices

Microservices are an architectural approach that breaks a software application into multiple, smaller, independent services.

Async Programming

Asynchronous programming allows for parallel processing, improving responsiveness and user experience.
Asynchronous operations enable code to continue execution while waiting for an operation within an application to finish.

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Description

This quiz covers essential concepts related to REST APIs, including their architecture, URIs, and status codes. It also explores components like AutoMapper, Azure Service Fabric, CORS, and HTTP headers. Test your understanding of these important topics in modern software development.