Microsoft 70-487

Developing Windows Azure and Web Services

(Page 1 out of 23)
Showing 5 of 113 Questions
Exam Version: 8.4
Question No : 1 - Topic 1

Errors occasionally occur when saving data using the FlightInfoContext ADO.NET Entity
Framework context. Updates to the data are being lost when an error occurs.
You need to ensure that data is still saved when an error occurs by retrying the operation.
No more than five retries should be performed.
Which code segment should you use as the body of the SaveChanges() method in the
FlightInfoContext.es file?



  • A. Option A
  • B. Option B
  • C. Option C
  • D. Option D

Answer : A



Question No : 2 - Topic 1

You need to recommend a data access technology to the contractor to retrieve data from
the new data source.
Which data access technology should you recommend?

  • A. LINQ to XML
  • B. ADO.NET Entity Framework
  • C. ADO.NET DataSets
  • D. WCF Data Services

Answer : D



Question No : 3 - Topic 1

Errors occasionally occur when saving data using the FlightInfoContext ADO.NET Entity
Framework context. Updates to the data are being lost when an error occurs.
You need to ensure that data is still saved when an error occurs by retrying the operation.
No more than five retries should be performed.
With which code segment should you replace the body of the SaveChanges() method in
the FlightInfoContext.es file?


  • A. Option A
  • B. Option B
  • C. Option C
  • D. Option D

Answer : C

Explanation: Explanation/Reference: EntitySqlException: Represents errors that occur when parsing Entity SQL command text. This exception is thrown when syntactic or semantic rules are violated. SqlException: The exception that is thrown when SQL Server returns a warning or error. This class cannot be inherited. EntityCommandExecutionException : Represents errors that occur when the underlying storage provider could not execute the specified command. This exception usually wraps a provider-specific exception.



Question No : 4 - Topic 1

The service has been deployed to Windows Azure.
Trey Research has provided version 1.3.0.0 of the assembly to support a change in the
serialization format. The service must remain available during the transition to the new
serialization format.
You need to ensure that the service is using the new assembly.
Which configuration setting should you add to the web.config? (To answer, drag the
appropriate configuration elements to the correct location or locations in the answer area.
Each configuration element may be used once, more than once, or not at all. You may
need to drag the split bar between panes or scroll to view content.)


Answer :



Question No : 5 - Topic 1

You need to deploy the application to the Windows Azure production environment to meet
the business requirements.
What should you do? (To answer, select the appropriate button in the answer area.)


Answer :



(Page 1 out of 23)
Showing of 113 Questions
Exam Version: 8.4