You work as a Software Developer for ABC Inc. The company has several branches worldwide. The company uses Visual Studio .NET 2005 as its application development platform. You are creating an application using .NET Framework 2.0. The application will be used by all the branches of the company. You are using the CompareInfo class for culture-sensitive string comparisons. You write the following code in the application:
String s1 = "C rtify";
String s2 = "c rtify";
String s3 = "c rtify";
You need to compare the s1 string with the s2 string and ensure that the string comparison must ignore case. Which of the following code segments will you use to accomplish the task?

• A. CompareInfo cmp = CultureInfo.InvariantCulture.CompareInfo; Console.WriteLine(cmp.Compare(s1, s2, CompareOptions.Ordinal));
• B. CompareInfo cmp = CultureInfo.InvariantCulture.CompareInfo; Console.WriteLine(cmp.Compare(s1, s2, CompareOptions.None));
• C. CompareInfo cmp = CultureInfo.InvariantCulture.CompareInfo; Console.WriteLine(cmp.Compare(s1, s2, CompareOptions.IgnoreCase));
• D. CompareInfo cmp = CultureInfo.InvariantCulture.CompareInfo; Console.WriteLine(cmp.Compare(s1, s2, CompareOptions.OrdinalIgnoreCase));

You work as a Software Developer for ABC Inc. The company uses Visual Studio.NET 2005 as its application development platform. You are developing an application that will manage rental properties for a property management agency. When a property is rented, a lease agreement is created. At that time a new lease is entered into the application, the starting date of the lease may not yet be known.
You need to write code that stores the lease start date entered by a user in a variable. The variable that stores the lease start date should contain no value, by default. If no lease start date is entered, the variable should have no value assigned to it.
Which code segment should you choose?

• A. DateTime leaseStartDate = null;
• B. DateTime leaseStartDate = new DateTime();
• C. DateTime? leaseStartDate = null;
• D. DateTime? leaseStartDate = new DateTime();

You work as a Software Developer for ABC Inc. The company uses Visual Studio .NET as its application development platform. You are creating an assembly named Assem1 using .NET Framework. Assem1 contains a public method. The global cache contains a second assembly named Assem2. You need to ensure that the public method is only called from Assem2. Which of the following permission classes will you use to accomplish the task?

• A. StrongNameIdentityPermission
• B. GacIdentityPermission
• C. DataProtectionPermission
• D. PublisherIdentityPermission

You work as a Web Application Developer for ABC Inc. The company uses Visual Studio .NET as its application development platform. You create an ASP.NET Web application using the .NET Framework. The application is installed in a Network Load Balancing cluster. You are evaluating a bug statement. When a failure takes place in the Web application, the client occasionally gets an error page as anticipated. At other times, the client gets an exception stack with the error message, which is not anticipated. You are required to find out the configuration setting that causes the unanticipated error.
Which of the following configuration settings causes the unanticipated error?

• A. <customErrors mode="On" />
• B. <customErrors mode="Off" />
• C. <compilation debug="false" />
• D. <compilation debug="true" />

You work as a Software Developer for ABC Inc. The company uses Visual Studio .NET 2008 as its application development platform. You create an ASP.NET Web application using .NET Framework 3.5. The application is a library application that catalogs Classes and books. The application contains a DataContext object named Classes and a related line of business object named Books. The Classes DataContext object is queried by using the following LINQ query: var query = from class in Classes where class.Books.All(b => b.Price <= 50) select class;
You have to find out the result that will be returned from the query. What will be the result of the query?

• A. All Classes that have the price of the related book less than or equal to 50.
• B. All books that have a price greater than or equal to 50.
• C. All books that have a price less than or equal to 50.
• D. All Classes that have the price of the related book greater than or equal to 50.