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Q1. - (Topic 4)
You are developing an ASP.NET MVC application. The application has a page that updates an image stored in a database. Members of the EntityClient namespace are used to access an ADO.NET Entity Framework data model. Images and associated metadata are stored in a single database table.
You need to run a single query that updates an image and associated metadata in the
database while returning only the number of affected rows.
Which method of the EntityCommand type should you use?
A. ExecuteNonQuery()
B. ExecutcScalar()
C. ExecuteDbDataReader()
D. ExecuteReader()
Answer: A
Q2. - (Topic 4)
You are developing an ASP.NET MVC application that reads and writes data from a SQL Server database.
You need to maintain data integrity in all situations that use transactions.
A. ReadUncommitted
B. Repeatable
C. Serializable
D. ReadCommitted
Answer: C
Q3. - (Topic 3)
You need to create an OData filter expression that returns books that match the following characteristics:
. Published after 1/1/2000
. Have "Science" as the first word
Which filter statement should you use?
A. Option A
B. Option B
C. Option C
D. Option D
Answer: D
Explanation: * gt Greater than Example: filter= Entry_No gt 610 Query on GLEntry service. Returns entry numbers 611 and higher.
* startswith
filter=startswith(Name, 'S')
Query on Customer service. Returns all customers names beginning with “S”.
Q4. - (Topic 3)
You need to update the CreateMonthlyTotalsReports() method to use database transactions.
Which code segment should you use?
A. SqlConnection.BeginTransaction(IsolationLevel.ReadCommitted);
B. SqlConnection.BeginTransaction(IsolationLevel.ReadUnconwited);
C. SqlConnection.BeginTransaction(IsolationLevel.Chaos);
D. SqlConnection.BeginTransaction(IsolationLevel.Serializable);
Answer: D
Explanation: * Scenario: The Create MonthlyTotalsReport() method must lock the data and prevent others from updating or inserting new rows until complete.
* Serializable:
A range lock is placed on the DataSet, preventing other users from updating or inserting
rows into the dataset until the transaction is complete.
Q5. DRAG DROP - (Topic 1)
You need to parse flight information from Blue Yonder Airlines. The content of the XML file is shown below.
Some airlines do not specify the timezone of the arrival time. If the timezone is not specified, then it should be interpreted per the business requirements.
You need to implement the LoadFlights() and Parse() methods of the BlueYonderLoader class.
What should you do? (To answer, drag the appropriate code segments to the correct location in the answer area. Each segment 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:
Q6. DRAG DROP - (Topic 4)
You are developing a Windows Azure based web application that provides users the ability to rent training videos. The application is deployed to hosted services in Asia and Europe.
The web application must meet the following requirements:
Video files are large and must be able to be streamed.
Streaming videos requires low latency network connections.
Rental data contains structured information about the user and the video.
Rental permissions are checked every five seconds during video playback.
You need to recommend a storage architecture for the application.
What should you do? (To answer, drag the appropriate technologies to the correct location or locations in the answer area. Each technology 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:
Q7. - (Topic 4)
You are developing a new ASP.NET MVC application that does not have an existing database.
The requirements for the application are not complete, and the SQL data model will likely change.
You need to choose an approach to visually manage a data model.
Which approach should you use?
A. Physical First
B. Database First
C. Code First
D. Model First
Answer: D
Explanation: With the model first workflow, you can design a model in a designer.
Q8. - (Topic 4)
You are developing an ASP.NET MVC application. The application is an order processing system that uses the ADO.NET Entity Framework against a SQL Server database. It has a controller that loads a page that displays customers. Customers are filtered on Country and, if provided, on CompanyName.
You have an Entity Framework context named db.
The Customer class is shown below.
You need to execute a single deferred query to return the filtered list of customers. Which code segment should you use?
A. Option A
B. Option B
C. Option C
D. Option D
Answer: C
Q9. - (Topic 4)
You are designing an ASP.NET Web API application.
You need to select an HTTP verb to allow blog administrators to moderate a comment.
Which HTTP verb should you use?
A. GET
B. POST
C. DELETE
D. PUT
Answer: D
Q10. - (Topic 3)
You need to implement the Get() method in the bookstore Web API application to be able to find books by using an ad hoc query.
Which method should you use?
A. Option A
B. Option B
C. Option C
D. Option D
Answer: D
