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Test

Accessing Data

Paulo Duarte 16 preguntas

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Preguntas del test (16)

  1. 1You are building an ADO.NET EF application. You need to add a property of type
    NVARCHAR(50) named Notes to the underlying database table named Customer and
    have it reflected in the Customer entity. What should you do?
    1. ADrop the Customer table and re-create it with the new field; then choose the
      Generate Database From Model option.
    2. BAdd the field to the underlying table, add a Scalar property of type String to the
      Customer entity, and update the mapping.
    3. CRun the Update Model Wizard.
    4. DRun the EDM Generator.
  2. 2You have been asked to choose a data access technology to retrieve data from a SQL
    Server database and have it exposed over the web. The application will be consumed
    exclusively by external parties that have no access to the internal database. Which data
    access technologies should you recommend?
    1. ALINQ-to-SQL
    2. BADO.NET Entity Framework
    3. CWCF Data Services
    4. DADO.NET Data Services
  3. 3You are working with an EDM and suspect there’s a problem with the mappings. Which
    file should you look at to see the underlying code?
    1. ACSDL file
    2. BSSDL file
    3. CMSL file
    4. DEDMX file
  4. 4Which of the following are provided for use by the .NET Framework as
    ChangeMonitors when defining a CacheItemPolicy?
    1. ACacheEntryChangeMonitor
    2. BFileChangeMonitor
    3. CMsmqChangeMonitor
    4. DSqlChangeMonitor
  5. 5You have set up an ObjectCache instance using the following code:
    List<String> fileList = new List<String>();
    fileList.Add(@"C:\SomeDirectory\SampleFile.txt");
    ObjectCache cacheInstance = MemoryCache.Default;
    CacheItemPolicy accountPolicy = new CacheItemPolicy();
    accountPolicy.Priority = CacheItemPriority.Default;
    accountPolicy.AbsoluteExpiration = DateTime.Now.AddMinutes(60);
    accountPolicy.ChangeMonitors.Add(new HostFileChangeMonitor(fileList));
    CacheItem exampleItem1 = new CacheItem("ExampleItemId", "Example Item Value",
    "AccountObjects");
    Which of the following items add an item to the cache with a key named “ExampleItemId,”
    a value of “Example Item Value,” a region named “AccountObjects,” and a
    CacheItemPolicy with a Default CacheItemPriority?
    1. AcacheInstance.Add(exampleItem1, accountPolicy);
    2. BcacheInstance.Add(exampleItem1, accountPolicy.Priority.Default);
    3. CcacheInstance.Add(“ExampleItemId”, “Example Item Value”, accountPolicy);
    4. DcacheInstance.Add(“ExampleItemId”, “Example Item Value”, accountPolicy,
      “AccountObjects”);
  6. 6You are developing an ASP.NET application that reads data from and writes data to a
    SQL Server database. You should avoid nonrepeatable reads and not concern yourself
    with phantom data. Which isolation level should you use?
    1. AReadUncommitted
    2. BRepeatableRead
    3. CChaos
    4. DSnapshot
  7. 7Which items would benefit from being made transactional?
    1. ALong-running queries that span multiple tables
    2. BQuick-running queries that involve only one table
    3. CQueries that make use of the file system on a Windows operating system.
    4. DQueries that make use of the file system of a non-Windows operating system.
  8. 8You are developing an ASP.NET application that hosts an online chat room. What
    Windows Azure Storage options should you consider for storing the contents of these
    chat rooms?
    1. ATable storage
    2. BQueue storage
    3. CBlob storage
    4. DCDN storage
  9. 9Benefits of using Windows Azure Content Delivery Network include?
    1. AIncreased performance for users geographically close to the content source.
    2. BIncreased performance for users geographically far from a content source.
    3. CLarge distributed scale to better handle instanteously increased loads.
    4. DImproved security.
  10. 10Which of the following queries take advantage of the Content Delivery network?
    1. Ahttp://atlanta.vo.mysite.net/documents
    2. Bhttp://myaccount.blob.core.windows.net/documents
    3. Chttp://myaccount.atlanta.blob.core.windows.net/documents
    4. Dhttp://atlanta.mysite.net/documents

Información

Descripción
MCSD Prep 70-487
Idioma
Português
Visitas
30
Etiquetas
computação
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