Microsoft .NET Framework

Question: Your user account has Read access to a file named Text.txt. You run an assembly in the My_Computer_Zone code group, which grants it the FullTrust permission set. Which of the following actions can the assembly perform on the file?
A
Read

B
Write

C
Change permissions

D
Delete

Note: Not available
1. Report
Question: An administrator runs the following Console application on a computer running Windows XP with the Everything permission set. What is the output from the application?

<Assembly: UIPermission(SecurityAction.RequestOptional, _
Unrestricted:=True)>
<Assembly: FileIOPermissionAttribute(SecurityAction.RequestOptional, _
Read:="C:\")>
<Assembly: FileIOPermissionAttribute(SecurityAction.RequestRefuse, _
Read:="C:\Windows\")>
Module Module1
Sub Main()
Console.WriteLine("Reading one line of the boot.ini file:")
Dim sr As StreamReader = New StreamReader("C:\boot.ini")
Console.WriteLine("First line of boot.ini: " + sr.ReadLine)
End Sub
End Module
A
Unhandled Exception: System.Security.SecurityException: Request for the
permission of type 'System.Security.Permissions.
FileIOPermission, mscorlib, Version=2.0.0.0, Culture=neutral,
PublicKeyToken=b77a5c561934e089' failed.

B
Reading one line of the boot.ini file:
Unhandled Exception: System.Security.SecurityException: Request for the
permission of type 'System.Security.Permissions.
FileIOPermission, mscorlib, Version=2.0.0.0, Culture=neutral,
PublicKeyToken=b77a5c561934e089' failed.

C
Reading one line of the boot.ini file:
First line of boot.ini: [boot loader]

D
An unhandled SecurityException occurs before the application begins execution.

Note: Not available
1. Report
Question: An administrator runs the following Console application on a computer running Windows XP with the Everything permission set. What is the output from the application?

<Assembly: UIPermission(SecurityAction.RequestOptional, _
Unrestricted:=True)>
<Assembly: FileIOPermissionAttribute(SecurityAction.RequestOptional, _
Read:="C:\Temp")>
<Assembly: FileIOPermissionAttribute(SecurityAction.RequestRefuse, _
Read:="C:\Windows\")>
Module Module1
Sub Main()
Console.WriteLine("Reading one line of the boot.ini file:")
Dim sr As StreamReader = New StreamReader("C:\boot.ini")
Console.WriteLine("First line of boot.ini: " + sr.ReadLine)
End Sub
End Module
A
Unhandled Exception: System.Security.SecurityException: Request for the
permission of type 'System.Security.Permissions.
FileIOPermission, mscorlib, Version=2.0.0.0, Culture=neutral,
PublicKeyToken=b77a5c561934e089' failed.

B
Reading one line of the boot.ini file:
Unhandled Exception: System.Security.SecurityException: Request for the
permission of type 'System.Security.Permissions.
FileIOPermission, mscorlib, Version=2.0.0.0, Culture=neutral,
PublicKeyToken=b77a5c561934e089' failed.

C
Reading one line of the boot.ini file:
First line of boot.ini: [boot loader]

D
An unhandled SecurityException occurs before the application begins execution.

Note: Not available
1. Report
Question: An administrator runs the following Console application on a computer running Windows XP with the Everything permission set. What is the output from the application?

<Assembly: UIPermission(SecurityAction.RequestMinimum, Unrestricted:=True)>
<Assembly: FileIOPermissionAttribute(SecurityAction.RequestMinimum, _
Read:="C:\Temp")>
<Assembly: FileIOPermissionAttribute(SecurityAction.RequestRefuse, _
Read:="C:\Windows\")>
Module Module1
Sub Main()
Console.WriteLine("Reading one line of the boot.ini file:")
Dim sr As StreamReader = New StreamReader("C:\boot.ini")
Console.WriteLine("First line of boot.ini: " + sr.ReadLine)
End Sub
End Module
A
Unhandled Exception: System.Security.SecurityException: Request for the
permission of type 'System.Security.Permissions.
FileIOPermission, mscorlib, Version=2.0.0.0, Culture=neutral,
PublicKeyToken=b77a5c561934e089' failed.

B
Reading one line of the boot.ini file:
Unhandled Exception: System.Security.SecurityException: Request for the
permission of type 'System.Security.Permissions.
FileIOPermission, mscorlib, Version=2.0.0.0, Culture=neutral,
PublicKeyToken=b77a5c561934e089' failed.

C
Reading one line of the boot.ini file:
First line of boot.ini: [boot loader]

D
An unhandled SecurityException occurs before the application begins execution.

Note: Not available
1. Report
Question: Which of the following permissions is required for all Console applications running with a debugger?
A
SocketPermission

B
WebPermission

C
UIPermission

D
FileIOPermission

Note: Not available
1. Report
Question: Which of the following would you use to throw an exception before method execution begins if a caller lacked a specific privilege?
A
SecurityAction.Demand

B
SecurityAction.Deny

C
SecurityAction.Assert

D
SecurityAction.RequestMinimum

Note: Not available
1. Report
Question: You have created a FileIOPermission object named fp. Which method would you use to determine whether the current assembly had a specific permission without throwing an exception?
A
fp.Deny

B
fp.IsGranted

C
SecurityManager.Deny(fp)

D
SecurityManager.IsGranted(fp)

Note: Not available
1. Report
Question: Given the following code, which statement would reverse the security restriction? (Choose all that apply.)
Dim e As EventLogPermission = _
New EventLogPermission (PermissionState.Unrestricted)
e.PermitOnly
A
e.RevertPermitOnly()

B
CodeAccessPermission.RevertPermitOnly()

C
e.RevertAll()

D
CodeAccessPermission.RevertAll()

E
e.RevertDeny()

F
CodeAccessPermission.RevertDeny()

Note: Not available
1. Report
Question: You are creating a class library that connects to an intranet Web server. You plan to deploy the class library to the global assembly cache (GAC) with full trust. You add the following code:
Dim connectPattern As Regex = New Regex("http://intranet\.contoso\.com/.*")
Dim webPermissions As WebPermission = _
New WebPermission(NetworkAccess.Connect, connectPattern)
webPermissions.Assert()
Which method should you call to cancel the assertion?
A
webPermissions.PermitOnly()

B
webPermissions.Deny()

C
CodeAccessPermission.RevertAssert()

D
CodeAccessPermission.RevertDeny()

Note: Not available
1. Report
Question: You must restrict access to a method based on a user’s group memberships in the local user database. You want to use the most secure method possible. Which technique will you use?
A
WindowsPrincipal.IsInRole

B
WindowsIdentity.IsInRole

C
Imperative RBS demands

D
Declarative RBS demands

Note: Not available
1. Report

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Question: Your user account has Read access to a file named Text.txt. You run an assembly in the My_Computer_Zone code group, which grants it the FullTrust permission set. Which of the following actions can the assembly perform on the file?

Question: Which of the following permissions is required for all Console applications running with a debugger?

Question: Which of the following would you use to throw an exception before method execution begins if a caller lacked a specific privilege?

Question: You have created a FileIOPermission object named fp. Which method would you use to determine whether the current assembly had a specific permission without throwing an exception?

Question: Given the following code, which statement would reverse the security restriction? (Choose all that apply.)
Dim e As EventLogPermission = _
New EventLogPermission (PermissionState.Unrestricted)
e.PermitOnly

Question: You must restrict access to a method based on a user’s group memberships in the local user database. You want to use the most secure method possible. Which technique will you use?

Question: Your user account has Read access to a file named Text.txt. You run an assembly in the My_Computer_Zone code group, which grants it the FullTrust permission set. Which of the following actions can the assembly perform on the file?

Question: Which of the following permissions is required for all Console applications running with a debugger?

Question: Which of the following would you use to throw an exception before method execution begins if a caller lacked a specific privilege?

Question: You have created a FileIOPermission object named fp. Which method would you use to determine whether the current assembly had a specific permission without throwing an exception?

Question: Given the following code, which statement would reverse the security restriction? (Choose all that apply.)Dim e As EventLogPermission = _New EventLogPermission (PermissionState.Unrestricted)e.PermitOnly

Question: You must restrict access to a method based on a user’s group memberships in the local user database. You want to use the most secure method possible. Which technique will you use?

Question: Given the following code, which statement would reverse the security restriction? (Choose all that apply.)
Dim e As EventLogPermission = _
New EventLogPermission (PermissionState.Unrestricted)
e.PermitOnly