GIAC GSSP-NET Value Pack (Frequently Bought Together)

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

You work as a Software Developer for ManSoft Inc. The company uses Visual Studio.NET as its application development platform. You create an application using the .NET Framework. You use ManSoft's intranet to deploy the application to client computers. You use the security configuration of the .NET Framework to configure security for the application at the enterprise policy level. Virus attacks caused the IT manager at ManSoft Inc. to tighten the security at the machine level. Users reported that they could no longer execute the application. Which of the following options will you use to resolve this issue?

• A. Include the Exclusive attributes in the intranet code group policy at the enterprise level by using the Code Access Security Policy tool (Caspol.exe).
• B. Include the LevelFinal attribute in the intranet code group policy at the enterprise level by using the Permission View tool (Permview.exe).
• C. Include the LevelFinal attribute in the intranet code group policy at the enterprise level by using the Code Access Security Policy tool (Caspol.exe).
• D. Include the Exclusive attribute in the intranet code group policy at the enterprise level by using the Permission View tool (Permview.exe).

You work as a Software Developer for ABC Inc. You create a Web page named MyWebPage that displays detailed information of a registered user. The page contains a TextBox Web server control that requires the RangeValidator validation control to validate whether the user has entered the correct date of birth. A validation error message is displayed if the user has entered the value, which is greater than the date of registration. However, you want to ensure that the validation control on the Web page does not occupy any space, but share the same location for the display of error messages on the Web page. You also want to ensure that the layout of the Web page is changed when the error message is displayed. Which of the following actions will you take to accomplish the task?

• A. Implement the ValidationSummary control instead of the RangeValidator control.
• B. Design the Static layout of the Web page.
• C. Design the None layout of the Web page.
• D. Design the Dynamic layout of the Web page.

You work as a Software Developer for ABC Inc. The company uses Visual Studio .NET 2008 as its application development platform. You have recently finished development of an ASP.NET Web application using .NET Framework 3.5. You have written complex foreach loops to retrieve data from collections. However, you want to modify the application, so that it uses LINQ queries in place of foreach loops. What will be the advantages of using LINQ queries instead of foreach loops?
Each correct answer represents a part of the solution. Choose all that apply.

• A. They can be ported to other data sources with slight or no alteration.
• B. They are more concise and readable, particularly when filtering multiple conditions.
• C. They provide powerful filtering, ordering, and grouping capabilities with least application co de.
• D. They provide lambda expression in the form of an expression tree.

Which of the following is the best encryption algorithm to encrypt and decrypt messages?

• A. RSA
• B. AES
• C. DES
• D. TripleDES