070-483無料問題集「Microsoft Programming in C#」

質問 1

You are creating a class by using C#. The class will manage writing log entries to a file. You have the following code. (Line numbers are included for reference only.)

You test the class by using the following code.

When you run the test, you receive the following error message: 'System.ObjectDisposedException: 'Cannot write to a closed TextWriter.'" You need to ensure that LogWriter closes the log file properly without raising an exception. Which three actions should you perform? tach correct answer presents part of the solution. NOTE: Each correct selection is worth one point.

（A）Remove line t05.

（B）Change line c19 to if (disposed).

（C）Add if (disposed) return; at line C18.

（D）Remove line c2l.

（E）Add boo1 disposed=false; at line c06.

（F）Add disposed=true; at line c24.

正解：B、E 解答を投票する

質問 2

Note: This question is part of a series of questions that present the same scenario. Each question in the series contains a unique solution that might meet the stated goals. Some question sets might have more than one correct solution, while others might not have a correct solution.
After you answer a question in this section, you will NOT be able to return to it. As a result, these questions will not appear in the review screen.
You have the following C# code. (Line numbers are included for reference only.)

You need the foreach loop to display a running total of the array elements, as shown in the following output.
1
3
6
10
15
Solution: You insert the following code at line 02:

Does this meet the goal?

（A）Yes

（B）No

正解：B 解答を投票する

質問 3

You have the following code (line numbers are included for reference only):

To answer, complete each statement according to the information presented in the code.

正解：

質問 4

You are developing an assembly.
You plan to sign the assembly when the assembly is developed.
You need to reserve space in the assembly for the signature.
What should you do?

（A）Run the Strong Name tool from the Windows Software Development Kit (Windows SDK).

（B）Add the AssemblySignatureKeyAttribute attribute the assembly.

（C）Run the Assembly Linker tool from the Windows Software Development Kit (Windows SDK).

（D）Add the AssemblyDelaySignAttribute attribute to the assembly.

正解：D 解答を投票する

解説: (JPNTest メンバーにのみ表示されます)

質問 5

You have the following class (line numbers are included for reference only):

ServiceProxy is a proxy for a web service. Calls to the Update method can take up to five seconds. The Test class is the only class the uses Class1.
You run the Execute method three times, and you receive the following results:
213
312
231
You need to ensure that each value is appended to the Value property in the order that the Modify methods are invoked.
What should you do?

（A）Option D

（B）Option B

（C）Option C

（D）Option A

正解：B 解答を投票する

解説: (JPNTest メンバーにのみ表示されます)

質問 6

You are developing an application that includes the following code segment. (Line numbers are included for reference only.)

The GetAnimals() method must meet the following requirements:
* Connect to a Microsoft SQL Server database.
* Create Animal objects and populate them with data from the database.
* Return a sequence of populated Animal objects.
You need to meet the requirements.
Which two actions should you perform? (Each correct answer presents part of the solution. Choose two.)

（A）Insert the following code segment at line 16:
while(sqlDataReader.GetValues())

（B）Insert the following code segment at line 13:
sqlConnection.Open();

（C）Insert the following code segment at line 16:
while(sqlDataReader.NextResult())

（D）Insert the following code segment at line 13:
sqlConnection.BeginTransaction();

（E）Insert the following code segment at line 16:
while(sqlDataReader.Read())

正解：B、E 解答を投票する

解説: (JPNTest メンバーにのみ表示されます)

質問 7

You are developing an application in C#.
The application uses exception handling on a method that is used to execute mathematical calculations by using integer numbers.
You write the following catch blocks for the method (line numbers are included for reference only):

You need to add the following code to the method:

At which line should you insert the code?

（A）05

（B）01

（C）07

（D）03

正解：B 解答を投票する

解説: (JPNTest メンバーにのみ表示されます)

質問 8

An application receives JSON data in the following format:

The application includes the following code segment. (Line numbers are included for reference only.)

You need to ensure that the ConvertToName() method returns the JSON input string as a Name object.
Which code segment should you insert at line 10?

（A）Return ser.Deserialize<Name>(json);

（B）Return ser.ConvertToType<Name>(json);

（C）Return ser.ConvertToType (json, typeof (Name));

（D）Return ser.Desenalize (json, typeof(Name));

正解：A 解答を投票する

解説: (JPNTest メンバーにのみ表示されます)

質問 9

An application contains code that measures reaction times. The code runs the timer on a thread separate from the user interface. The application includes the following code. (Line numbers are included for reference only.)

You need to ensure that the application cancels the timer when the user presses the Enter key.
Which code segment should you insert at line 14?

（A）tokenSource.Cancel();

（B）tokenSource.Token.Register( () => tokenSource.Cancel() );

（C）tokenSource.Dispose();

（D）tokenSource.IsCancellationRequested = true;

正解：A 解答を投票する

解説: (JPNTest メンバーにのみ表示されます)

質問 10

You need to write a console application that meets the following requirements:
If the application is compiled in Debug mode, the console output must display Entering debug mode.
If the application is compiled in Release mode, the console output must display Entering release mode.
Which code should you use?

（A）Option D

（B）Option B

（C）Option C

（D）Option A

正解：B 解答を投票する

解説: (JPNTest メンバーにのみ表示されます)

質問 11

You have the following C# code.

The reallyLongString variable is a string in which a very long string is stored.
You need to identify whether a string stored in an object named stringToFind is contained in the StringBuilder sb object.
Which code should you use?

（A）sb.ToString().CompareTo(stringToFind);

（B）sb.ToString().IndexCrf(stringToFind);

（C）sb.Equals(stringToFind);

（D）sb.To$tring().Substring<stringToFind.Length);

正解：A 解答を投票する

質問 12

You are developing an application that includes a class named BookTracker for tracking library books. The application includes the following code segment. (Line numbers are included for reference only.)

You need to add a book to the BookTracker instance.
What should you do?

（A）Option D

（B）Option B

（C）Option C

（D）Option A

正解：D 解答を投票する

070-483 無料問題集「Microsoft Programming in C#」

弊社を連絡する

関連リンク

トップ試験