Microsoft 70-487 EXAM QUESTIONS & ANSWERS

Exam Code: 70-487
Exam Name: Developing Windows Azure and Web Services
Questions: 67 Q&As
Updated: 2018-12-06
Price: $ 69 / $ 79

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Accessing data (24%)

  • Choose data access technologies

    • Choose a technology (ADO.NET, Entity Framework, WCF Data Services) based on application requirements

  • Implement caching

    • Cache static data, apply cache policy (including expirations); use CacheDependency to refresh cache data; query notifications

  • Implement transactions

    • Manage transactions by using the API from System.Transactions namespace; implement distributed transactions; specify transaction isolation level

  • Implement data storage in Windows Azure

    • Access data storage in Windows Azure; choose data storage mechanism in Windows Azure (blobs, tables, queues, SQL Database); distribute data by using the Content delivery network (CDN); handle exceptions by using retries (SQL Database); manage Windows Azure Caching

  • Create and implement a WCF Data Services service

    • Address resources; implement filtering; create a query expression; access payload formats (including JSON); use data service interceptors and service operators

  • Manipulate XML data structures

    • Read filter, create, modify XML data structures; Manipulate XML data by using XMLReader, XMLWriter, XMLDocument, XPath, LINQ to XML; transform XML by using XSLT transformations

Querying and manipulating data by using the Entity Framework (20%)

  • Query and manipulate data by using the Entity Framework

    • Query, update, and delete data by using DbContext; build a query that uses deferred execution; implement lazy loading and eager loading; create and run compiled queries; query data by using Entity SQL

  • Query and manipulate data by using Data Provider for Entity Framework

    • Query and manipulate data by using Connection, DataReader, Command from the System.Data.EntityClient namespace; perform synchronous and asynchronous operations; manage transactions (API)

  • Query data by using LINQ to Entities

    • Query data by using LINQ operators (for example, project, skip, aggregate, filter, and join); log queries; implement query boundaries (IQueryable vs. IEnumerable)

  • Query and manipulate data by using ADO.NET

    • Query and manipulate data by using Connection, DataReader, Command, DataAdapter, DataSet; perform synchronous and asynchronous operations; manage transactions (API)

  • Create an Entity Framework data model

    • Structure the data model using table per type, table per class, table per hierarchy; choose and implement an approach to manage a data model (code first vs. model first vs. database first); implement POCO objects; describe a data model by using conceptual schema definitions, storage schema definition, and mapping language (CSDL, SSDL, MSL)

Designing and implementing WCF Services (19%)

  • Create a WCF service

    • Create contracts (service, data, message, callback, and fault); implement message inspectors; implement asynchronous operations in the service

  • Configure WCF services by using configuration settings

    • Configure service behaviors; configure service endpoints; configure binding; specify a service contract; expose service metadata (XSDs, WSDL, and metadata exchange endpoint)

  • Configure WCF services by using the API

    • Configure service behaviors; configure service endpoints; configure binding; specify a service contract; expose service metadata (XSDs, WSDL, and metadata exchange); WCF routing and discovery features

  • Secure a WCF service

    • Implement message level security, implement transport level security; implement certificates

  • Consume WCF services

    • Generate proxies by using SvcUtil; generate proxies by creating a service reference; create and implement channel factories

  • Version a WCF service

    • Version different types of contracts (message, service, data); configure address, binding, and routing service versioning

  • Create and configure a WCF service on Windows Azure

    • Create and configure bindings for WCF services (Azure SDK—extensions to WCF); relay bindings to Azure using service bus endpoints; integrate with the Azure service bus relay

  • Implement messaging patterns

    • Implement one way, request/reply, streaming, and duplex communication; implement Windows Azure Service Bus and Windows Azure Queues

  • Host and manage services

    • Manage services concurrency (single, multiple, reentrant); create service hosts; choose a hosting mechanism; choose an instancing mode (per call, per session, singleton); activate and manage a service by using AppFabric; implement transactional services; host services in a Windows Azure worker role

Creating and consuming Web API-based services (18%)

  • Design a Web API

    • Define HTTP resources with HTTP actions; plan appropriate URI space, and map URI space using routing; choose appropriate HTTP method (get, put, post, delete) to meet requirements; choose appropriate format (Web API formats) for responses to meet requirements; plan when to make HTTP actions asynchronous

  • Implement a Web API

    • Accept data in JSON format (in JavaScript, in an AJAX callback); use content negotiation to deliver different data formats to clients; define actions and parameters to handle data binding; use HttpMessageHandler to process client requests and server responses; implement dependency injection, along with the dependency resolver, to create more flexible applications; implement action filters and exception filters to manage controller execution; implement asynchronous and synchronous actions; implement streaming actions

  • Secure a Web API

    • Implement HTTPBasic authentication over SSL; implement Windows Auth; enable cross-domain requests; prevent cross-site request forgery (XSRF); implement, and extend, authorization filters to control access to the application

  • Host and manage Web API

    • Host Web API in an ASP.NET app; self-host a Web API in your own process (a Windows service); host services in a Windows Azure worker role; restricting message size; configure the host server for streaming

  • Consume Web API web services

    • Consume Web API services by using HttpClient synchronously and asynchronously; send and receive requests in different formats (JSON/HTML/etc.)

Deploying web applications and services (19%)

  • Design a deployment strategy

    • Create an IIS install package; deploy to web farms; deploy a web application by using XCopy; automate a deployment from TFS or Build Server

  • Choose a deployment strategy for a Windows Azure web application

    • Perform an in-place upgrade and VIP swap; configure an upgrade domain; create and configure input and internal endpoints; specify operating system configuration

  • Configure a web application for deployment

    • Switch from production/release mode to debug mode; use SetParameters to set up an IIS app pool, set permissions and passwords); configure WCF endpoints, bindings, and behaviors; transform web.config by using XSLT (for example, across development, test, and production/release environments); configure Azure configuration settings

  • Manage packages by using NuGet

    • Create and configure a NuGet package; install and update an existing NuGet package; connect to a local repository cache for NuGet, set up your own package repository

  • Create, configure, and publish a web package

    • Create an IIS InstallPackage; configure the build process to output a web package; apply pre- and post- condition actions to ensure that transformations are correctly applied; include appropriate assets (web content, certificates)

  • Share assemblies between multiple applications and servers

    • Prepare the environment for use of assemblies across multiple servers (interning); sign assemblies by using a strong name; deploy assemblies to the global assembly cache; implement assembly versioning; create an assembly manifest; configure assembly binding redirects (for example, from MVC2 to MVC3)

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