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MCDST Supporting Users and Troubleshooting Desktop Applications : 70-272 Exam
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MCDST Supporting Users and Troubleshooting Desktop Applications
Exam Number: 70-272 Exam
Associated Certifications: MCDST Supporting Users and Troubleshooting Desktop Applications
Duration: 100 questions
Available Language(s): English
Exam Details
Candidates for this exam support end users who run Microsoft Windows XP Professional in a corporate environment or Microsoft Windows XP Home Edition in a home environment. They should have experience using applications that are included with the operating system, such as Microsoft Internet Explorer and Microsoft Outlook Express, as well as the productivity applications used in a corporate environment, such as Microsoft Office applications. Candidates should be able to resolve operating system issues by telephone, by connecting to an end user’s system remotely, or by visiting an end user’s desktop. They should have a working knowledge of operating in a workgroup or Active Directory domain environment and how end users are affected by each environment. This exam, when combined with 70-271 (the operating system exam for desktop support technicians), should validate that a candidate can successfully answer, or escalate, all calls from end users.
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QUESTION 200
You work as an application developer at Certkiller .com. Certkiller .com has been
contracted by the local hospital to create an application that forwards private
patient information to various insurance providers.
The hospital informs you that the amount and frequency of the patient data is high.
You need to ensure that data confidentiality is guaranteed, with as little overhead as
possible.

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You now need to encrypt the patient information.
What should you do?
A. Use the following code:
public byte [] EncryptData (byte [] PatientInfo, RSACryptoServiceProvider SecretKey)
{
CryptoSream cs = new CryptoSream (SecretKey);
cs.Encrypt (PatientInfo, 0, PatientInfo.Length);
byte [] data = cs.ToArray ();
cs.Close ();
return data;
}
B. Use the following code:
public byte [] EncryptData (byte [] PatientInfo, RSACryptoServiceProvider SecretKey)
{
MemorySream ms = new MemorySream ();
CryptoSream cs = new CryptoSream (ms, SecretKey.CreateEncryptor (),
CryptoSreamMode.Write);
cs.Write (PatientInfo, 0, PatientInfo.Length);
cs.Close ();
byte [] data = ms.ToArray ();
ms.Close ();
return data;
}
C. Use the following code:
public byte [] EncryptData (byte [] PatientInfo, DESCryptoServiceProvider SecretKey)
{
CryptoSream cs = new CryptoSream (SecretKey);
cs.Encrypt (PatientInfo, 0, PatientInfo.Length);
byte [] data = cs.ToArray ();
cs.Close ();
return data;
}
D. Use the following code:
public byte [] EncryptData (byte [] PatientInfo, DESCryptoServiceProvider SecretKey)
{
MemorySream ms = new MemorySream ();
CryptoSream cs = new CryptoSream (ms, SecretKey.CreateEncryptor (),
CryptoSreamMode.Write);
cs.Write (PatientInfo, 0, PatientInfo.Length);
cs.Close ();
byte [] data = ms.ToArray ();
ms.Close ();
return data;
}

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QUESTION 201
You work as an application developer at Certkiller .com. Certkiller .com stores data in
a byte array named dataArray.
You have been given the task of ensuring that this data is protected against
corruption and tampering. You are planning to employ a HashAlgorithm object to
achieve this objective.
What should you do?
A. Use the following code to generate a hash value for the dataArray object:
hash.GenerateHash (dataArray);
B. Use the following code to generate a hash value for the dataArray object:
hash.ComputeHash (dataArray);
C. Use the following code to generate a hash value for the dataArray object:
hash. Hash (dataArray);
D. Use the following code to generate a hash value for the dataArray object:
hash.Compute (dataArray);

Exam 70-272: Supporting Users and Troubleshooting Desktop Applications on a Microsoft Windows XP Operating System

Candidates for this exam support end users who run Microsoft Windows XP Professional in a corporate environment or Microsoft Windows XP Home Edition in a home environment. They should have experience using applications that are included with the operating system, such as Microsoft Internet Explorer and Microsoft Outlook Express, as well as the productivity applications used in a corporate environment, such as Microsoft Office applications.

Candidates should be able to resolve operating system issues by telephone, by connecting to an end user’s system remotely, or by visiting an end user’s desktop. They should have a working knowledge of operating in a workgroup or Active Directory domain environment and how end users are affected by each environment.

This exam, when combined with 70-271 (the operating system exam for desktop support technicians), should validate that a candidate can successfully answer, or escalate, all calls from end users.

When you pass the Supporting Users and Troubleshooting Desktop Applications on a Microsoft Windows XP Operating System exam, you achieve Microsoft Certified Professional (MCP) status. You also earn:
• Core credit toward Microsoft Certified Desktop Support Technician (MCDST) on Microsoft Windows XP certification

Exam Topics Include:
• Configuring and Troubleshooting Applications
• Resolving Issues Related to Usability
• Resolving Issues Related to Application Customization
• Configuring and Troubleshooting Connectivity for Applications
• Configuring Application Security

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