HOTSPOT
You are building a data access layer in an application that contains the following code:

For each of the following statements, select Yes if the statement is true. Otherwise, select No.

HOTSPOT
You have the following code:

For each of the following statements, select Yes if the statement is true. Otherwise, select No.

HOTSPOT
You have the following code (line numbers are included for reference only):

To answer, complete each statement according to the information presented in the code.

You need to create a method that can be called by using a varying number of parameters.
What should you use?

You are developing an application.
The application contains the following code segment (line numbers are included for reference only):

When you run the code, you receive the following error message: “Cannot implicitly convert type
‘object” to ‘inf. An explicit conversion exists (are you missing a cast?).”
You need to ensure that the code can be compiled.
Which code should you use to replace line 05?

You have the following code (line numbers are included for reference only):

You need to ensure that if an exception occurs, the exception will be logged.
Which code should you insert at line 28?

You write the following method (line numbers are included for reference only):

You need to ensure that the method extracts a list of URLs that match the following pattern:
@http://(www\\.)?([^\\.]+)\\.com;
Which code should you insert at line 07?

You are creating a class library that will be used in a web application.
You need to ensure that the class library assembly is strongly named.
What should you do?

You need to store the values in a collection.
The solution must meet the following requirements:
The values must be stored in the order that they were added to the collection.
The values must be accessed in a first-in, first-out order.
Which type of collection should you use?

An application is throwing unhandled NullReferenceException and FormatException errors. The
stack trace shows that the exceptions occur in the GetWebResult() method.
The application includes the following code to parse XML data retrieved from a web service. (Line
numbers are included for reference only.)

You need to handle the exceptions without interfering with the existing error-handling
infrastructure.
Which two actions should you perform? (Each correct answer presents part of the solution. Choose
two.)