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Microsoft .NET Fundamentals

Question No: 141 – (Topic 2)

Which collection enforces type safety?

  1. Listlt;Tgt;

  2. Hashtable

  3. Queue

  4. ArrayList

Answer: A

Question No: 142 – (Topic 2)

You need to suspend the current thread until all Finalize() methods have been processed. Which garbage collection method should you use?

  1. Dispose

  2. WaitforPendingFinalizers

  3. SuppressFinalize

  4. Collect

Answer: A

Question No: 143 – (Topic 2)

You create a program that writes a status message to a file every 10 seconds. You need to ensure that all data is written to the file before the file is closed.

When should you call the Flush() method?

  1. Before opening the file

  2. Before writing the entry

  3. After writing the entry

  4. When opening the file

Answer: C

Explanation: The Stream.Flush methodclears all buffers for this stream and causes any buffered data to be written to the underlying device.

Question No: 144 – (Topic 2)

You use code from different companies.

You need to avoid naming conflicts within your code. What should you do?

  1. Use global variables to reference each of the classes.

  2. Define the classes inside unique namespaces.

  3. Define each class as private.

  4. Deploy the classes as two separate files.

Answer: B

Explanation: NET development encourages unique namespaces.

Question No: 145 – (Topic 2)

Where are the command line arguments stored for a console application?

  1. In a value-type parameter that is passed to the Main method.

  2. In the Console.In property.

  3. In a string array parameter that is passed to the Main method.

  4. In the Console.Read() method.

Answer: C

Question No: 146 – (Topic 2)

Which collection enforces type safety?

  1. Listlt;Tgt;

  2. ArrayList

  3. Queue

  4. Hashtable

Answer: A

Question No: 147 – (Topic 2)

Which type of casting enforces type safety?

  1. Reinterpret

  2. Explicit static

  3. Implicit static

  4. Explicit dynamic

Answer: B

Question No: 148 – (Topic 2)

Value type variables are stored in the:

  1. Heap

  2. Text segment

  3. Code segment

  4. Stack

Answer: D

Question No: 149 – (Topic 2)

In .NET, the automatic memory management system enables:

  1. Synchronization.

  2. Managed code.

  3. Smart caching.

  4. Garbage collection.

Answer: D

Question No: 150 – (Topic 2)

You need to find out whether an application has access to delete files from the C:\Logs directory. Which code segment should you use?

  1. Dim permission As New FileIOPermission(FileIOPermissionAccess.Write, quot;C:\\Logsquot;)

  2. Dim permission A3 New FileIOPermission(FileIOPermissionAccess.PathDiscovery, quot;C:\\Logsquot;)

  3. Dim permission As New FileIOPermission(FiieIOPermissionAccess.Read, quot;C:\\Logsquot;)

  4. Dim permission As New FileIOPermission(FileIOPermissionAccess.Append, quot;C:\\Logsquot;)

Answer: A

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