Ensurepass


QUESTION 21

You are adding a public method named UpdateScore to a public class named ScoreCard.

The code region that updates the score field must meet the following requirements:

-It must be accessed by only one thread at a time. -It must not be vulnerable to a deadlock situation. You need to implement the UpdateScore() method.

What should you do?

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A. Option A

B. Option B

C. Option C

D. Option D

Correct Answer: B


QUESTION 22

You are developing a C# application that has a requirement to validate some string input data by using

the Regex class.

The application includes a method named ContainsHyperlink. The ContainsHyperlink() method will verify the presence of a URI and surrounding markup.

The following code segment defines the ContainsHyperlink() method. (Line numbers are included for reference only.)

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The expression patterns used for each validation function are constant.

You need to ensure that the expression syntax is evaluated only once when the Regex object is initially instantiated.

Which code segment should you insert at line 04?

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A. Option A

B. Option B

C. Option C

D. Option D

Correct Answer: D


QUESTION 23

You are developing an application by using C#.

You have the following requirements:

-Support 32-bit and 64-bit system configurations.

-Include pre-processor directives that are specific to the system configuration.

-Deploy an application version that includes both system configurations to testers.

-Ensure that stack traces include accurate line numbers.

You need to configure the project to avoid changing individual configuration settings every time you deploy the application to testers.

Which two actions should you perform? (Each correct answer presents part of the solution. Choose two.)

A. Update the platform target and conditional compilation symbols for each application configuration.

B. Create two application configurations based on the default Release configuration.

C. Optimize the application through address rebasing in the 64-bit configuration.

D. Create two application configurations based on the default Debug configuration.

Correct Answer: BD


QUESTION 24

You are developing a method named CreateCounters that will create performance counters for an

application. The method includes the following code. (Line numbers are included for reference only.)

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You need to ensure that Counter1 is available for use in Windows Performance Monitor (PerfMon). Which code segment should you insert at line 16?

A. CounterType = PcrformanccCounterType.RawBase

B. CounterType = PerformanceCounterType.AverageBase

C. CounterType = PerformanceCounterType.SampleBase

D. CounterType = PerformanceCounterType.CounterMultiBase

Correct Answer: C


QUESTION 25

You are developing an application that will transmit large amounts of data between a client computer and a server.

You need to ensure the validity of the data by using a cryptographic hashing algorithm. Which algorithm should you use?

A. HMACSHA256

B. RNGCryptoServiceProvider

C. DES

D. Aes

Correct Answer: A


QUESTION 26

You are developing an assembly that will be used by multiple applications.

You need to install the assembly in the Global Assembly Cache (GAC).

Which two actions can you perform to achieve this goal? (Each correct answer presents a complete solution. Choose two.)

A. Use the Assembly Registration tool (regasm.exe) to register the assembly and to copy the assembly to the GAC.

B. Use the Strong Name tool (sn.exe) to copy the assembly into the GAC.

C. Use Microsoft Register Server (regsvr32.exe) to add the assembly to the GAC.

D. Use the Global Assembly Cache tool (gacutil.exe) to add the assembly to the GAC.

E. Use Windows Installer 2.0 to add the assembly to the GAC.

Correct Answer: DE


QUESTION 27

You are debugging an application that calculates loan interest. The application includes the following

code. (Line numbers are included for reference only.)

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You need to ensure that the debugger breaks execution within the Calculatelnterest() method when the loanAmount variable is less than or equal to zero in all builds of the application.

What should you do?

A. Insert the following code segment at line 03: Trace.Assert(loanAmount > 0);

B. Insert the following code segment at line 03: Debug.Assert(loanAmount > 0);

C. Insert the following code segment at line 05: Debug.Write(loanAmount > 0);

D. Insert the following code segment at line 05: Trace.Write(loanAmount > 0);

Correct Answer: A


QUESTION 28

You are developing an application that accepts the input of dates from the user.

Users enter the date in their local format. The date entered by the user is stored in a string variable named inputDate. The valid date value must be placed in a DateTime variable named validatedDate

You need to validate the entered date and convert it to Coordinated Universal Time (UTC). The code must not cause an exception to be thrown.

Which code segment should you use?

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A. Option A

B. Option B

C. Option C

D. Option D

Correct Answer: A


QUESTION 29

You are developing an application by using C#. You provide a public key to the development team

during development.

You need to specify that the assembly is not fully signed when it is built.

Which two assembly attributes should you include in the source code? (Each correct answer presents part of the solution. Choose two.)

A. AssemblyKeyNameAttribute

B. ObfuscateAssemblyAttribute

C. AssemblyDelaySignAttribute

D. AssemblyKeyFileAttribute

Correct Answer: CD


QUESTION 30

You are adding a public method named UpdateGrade to a public class named ReportCard.

The code region that updates the grade field must meet the following requirements:

-It must be accessed by only one thread at a time. -It must not be vulnerable to a deadlock situation. You need to implement the UpdateGrade() method.

What should you do?

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A. Option A

B. Option B

C. Option C

D. Option D

Correct Answer: A


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