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Microsoft .NET Fundamentals

Question No: 81 – (Topic 1)

Which security policy level applies to all managed code on the computer?

  1. Machine

  2. User

  3. Enterprise

  4. Application domain

Answer: A

Question No: 82 – (Topic 1)

Which collection enforces type safety?

  1. Queue

  2. Hashtable

  3. ArrayList

  4. Listlt;Tgt;

Answer: D

Question No: 83 – (Topic 1)

You create an XML document that has an XmlNode named node1.

Which code fragment will read the XML contained in node1 and its subnodes?

  1. Node1.ToString ();

  2. Node1.OuterXml;

  3. Node1.InnerXml;

  4. Node1.InnerXext;

  5. Node1.Value;

Answer: B

Question No: 84 – (Topic 1)

Which three actions can you perform by using the Strong Name tool? (Choose three.)

  1. Create a key pair for an assembly.

  2. Compile the assembly for the first time.

  3. Encrypt an assembly.

  4. Re-sign a previously signed assembly.

  5. Extract the public key from an assembly.

Answer: A,D,E

Explanation: A: sn -a identityKeyPairFile signaturePublicKeyFile

Generates AssemblySignatureKeyAttribute data to migrate the identity key to the signature key from a file.

D: sn -R[a] assembly infile

Re-signs a previously signed or delay-signed assembly with the key pair in infile. If -Ra is used, hashes are recomputed for all files in the assembly.

E: Sn -e assembly outfile

Extracts the public key from assembly and stores it in outfile.

  • The Strong Name tool (Sn.exe) helps sign assemblies with strong names. Sn.exe provides options for key management, signature generation, and signature verification.

    Question No: 85 – (Topic 1)

    Managed code manages:

    1. Database connections.

    2. Memory.

    3. Processor optimization.

    4. Source code

    Answer: D

    Explanation: Managed code is a term coined by Microsoft to identify computer program source code that requires and will execute only under the management of a Common Language Runtime virtual machine (resulting in bytecode).

    Question No: 86 – (Topic 1)

    You need to configure security policy for the following policy levels:




    Which .NET tool should you use?

    1. Policy Migration

    2. Code Access Security Policy

    3. Microsoft Intermediate Language Assembler

    4. Permissions View

    Answer: B

    Question No: 87 – (Topic 1)

    You want to debug a class library project that will be used by an application named MyApplication.exe.

    MyApplication.exe is not part of your Microsoft Visual Studio project and is not running currently. You want MyApplication.exe to start automatically.

    What should you do?

    1. Set the project#39;s Start Action setting to Start external program and select MyApplication.exe.

    2. Set the command line arguments to debug:MyApplication.exe.

    3. Set the command line arguments to start:MyApplication.exe.

    4. Set the project#39;s Start Action setting to Start project.

    Answer: A

    Explanation: The StartAction property for a project indicates the item to start when the application is debugged: the project, a custom program, a URL, or nothing.

    When set to Start external program, the property indicates that a specific program should be started when the application is debugged.

    Question No: 88 – (Topic 1)

    Type-safe code prevents:

    1. Unauthorized memory access.

    2. Slow performance.

    3. Namespace conflicts.

    4. Format exceptions.

    Answer: A

    Explanation: Type-safe code accesses only the memory locations it is authorized to access.

    Question No: 89 – (Topic 1)

    Value type variables are stored in the:

    1. Code segment

    2. Heap

    3. Stack

    4. Text segment

    Answer: C

    Question No: 90 – (Topic 1)

    Which namespace should you reference while using the StreamWriter class?

    1. System.Text

    2. System.Drawing

    3. System.IO

    4. System.Printing

    Answer: C

    Explanation: The StreamWriterclassbelongs to theSystem.IOnamespace.

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