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2016 Mar 70-548(VB) Study Guide Questions:

Q1. You create Microsoft Windows-based applications. You create a customer-support application for a technical support organization. The customer-support application

accepts phone numbers. While running a report, you find that the phone numbers displayed do not follow a single format. In addition, there are instances of missing digits and missing area codes. You need to ensure that the phone numbers are entered in the format (###) ###-####. You want to achieve this goal by using the minimal amount of code. What should you do?

A.

A. security credentials of the logged on user

B. code access security settings

C. hardware settings

D. network settings

E. database settings

Answer: CD


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Q11. You create Microsoft Windows-based client applications. You are designing a smart client application for warehouse packaging clerks. The application must permit the clerks to add and delete items in the packaging invoices they create at their workstations. Each workstation has only a keyboard and a hand-held barcode scanner for input. You need to design the user interface for the

application such that the clerks can add and delete items with minimum effort. What should you do?

A. Add to the form a context menu that has Add to Invoice and Remove from Invoice menu items.

B. Add to the form a menu that has Add to Invoice and Remove from Invoice menu items.

C. Add to the form a KeyPress event handler that toggles between Add to Invoice and Remove from Invoice modes.

D. Add to the form a ToolStrip control that has a button that toggles between Add to Invoice and Remove from Invoice modes.

Answer: C


Q12. You create Microsoft Windows-based applications. You are designing a user interface for a multi-page questionnaire.

You need to ensure that the user interface meets the following business requirements:

The user interface is reusable.

The user interface requires the user to select three out of five choices for each question. The user interface permits the user to check a box to select the correct answer or answers.

What should you do?

A. Create a custom Windows user control that inherits from a CheckedListBox control.

B. Use a multi-select ListBox control that displays the possible answers.

C. Use a TextBox control for the user to enter answers separated by commas.

D. Use a CheckedListBox control to display the possible answers.

Answer: A


Q13. You create Microsoft Windows-based applications. You are creating an application to manage projects. Your company network consists of a single Microsoft Windows Server 2003 Active Directory domain. All servers in the domain run Microsoft Windows Server 2003. All workstations run Microsoft Windows XP Professional.

You are provided with the following requirements:

1. Identify the user for workflow functionality.

2. Store data in a central location to help users access the data from anywhere on the network.

3. Permit data to be stored locally for offline access.

4. Permit access to the central data storage so that future applications can reuse the data.

5. Store application settings locally.

6. Make network communication as secure as possible.

You create an application that relies on Windows domain-based authentication and authorization to identify the user without logging on to the application. You also decide to use Microsoft SQL Server 2005 as the database engine and save the data locally as XML for offline access. You need to validate that the proposed solution meets the requirements. Which four requirements does the proposed solution meet? (Each answer presents part of the solution. Choose four.)

A. requirement 1

B. requirement 2

C. requirement 3

D. requirement 4

E. requirement 5

F. requirement 6

Answer: ABCD


Q14. You create Microsoft Windows-based applications. You are changing an application to manage the daily activities of doctors and nurses in a hospital. The application will run on a single machine at the hospital front desk. The application will run 24 hours a day, seven days a week. Initial testing shows that the application consumes a lot of resources and that it runs out of memory intermittently. You want to change the application so that an alert is sent when memory usage is nearing the point of failure. An external application will be used for sending the alert. You need to decide what monitoring mechanism to use. You also need to ensure that the least amount of changes is introduced in the application. What should you do?

A. Create a performance counter to monitor memory. Raise an event when memory reaches the critical value.

Change the external application to subscribe to the event.

B. Create a performance counter to monitor memory. Call the external application when the counter reaches the critical level.

C. Use the existing memory performance counters in the operating system. Call the external application when the counter reaches the critical level.

D. Use the existing memory performance counters in the operating system. Use system monitor to create an alert to launch the external application when the counter reaches the critical level.

Answer: D


Q15. You create Microsoft Windows-based applications. You create a component to process daily reports. These daily reports are data-driven.

Eight database tables dictate the following properties:

the data that is printed

the format of the data

the order of output

The component loads the configuration data into a specific internal structure. Subsequently, the component retrieves and outputs the report data based on the configuration settings that are stored in the internal structure. The database is not updated. You need to develop the data handling capabilities of the component to manage the configuration data and the report data. You also need to ensure that the reports are generated as quickly as possible. Which two data handling mechanisms should you choose?

(Each correct answer presents part of the solution. Choose two.)

A. Use a DataReader object to load the report data based on the configuration data. Perform the required calculations.

B. Use a DataReader object to load the configuration data from the database.

C. Use a DataAdapter object and a DataSet object to load the configuration data from the database.

D. Use a DataAdapter object and a DataSet object to load the report data based on the configuration data.

Perform the required calculations.

Answer: AB



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