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Smart cards are small, credit card sized devices that are used to store information. Smart cards are generally used to store authentication credentials, such as public and private keys, and other forms of personal information. They are highly portable, allowing users to easily carry their credentials and other personal information with them. A computer must have a smart card reader to access a smart card. The reader is generally a PS/2, USB, or PC Card device, although some computers have smart card readers built in. Windows XP supports Plug and Play smart card readers that follow the Personal Computer/Smart Card (PC/SC) standards. A manufacturer might provide a device driver for its legacy smart card device, but Microsoft recommends using only Plug and Play smart card readers. In addition to installing drivers for a smart card reader, you must enable the Smart Card service for Windows XP Professional to read smart cards. After you have installed and configured the smart card reader, make sure that the Smart Card service is started by using the Services snap-in in Computer Management.

constraints in DDL, but also for data validation at runtime. We ll discuss it in chapter 17. Are annotations for properties always on the accessor methods Customizing property access Properties of a class are accessed by the persistence engine either directly (through fields) or indirectly (through getter and setter property accessor methods). In XML mapping files, you control the default access strategy for a class with the default-access="field|property|noop|custom.Class" attribute of the hibernate-mapping root element. An annotated entity inherits the default from the position of the mandatory @Id annotation. For example, if @Id has been declared on a field, not a getter method, all other property mapping annotations, like the name of the column for the item s description property, are also declared on fields:

Analog modems connect a computer to a remote device through the Public Switched Telephone Network (PSTN). Modems are often used to connect to the Internet through an Internet service provider (ISP) or to connect to a remote private network, such as a corporate network. A modem can be either an internal or an external device. Internal modems connect to one of the computer s internal expansion slots. External modems connect to one of the computer s serial or USB ports. You can manage modems through the Phone And Modem Options tool in Control Panel and through Device Manager. In Control Panel, select Printers And Other Hardware; then select Phone And Modem Options. In the Phone and Modem Options dialog box, on the Modems tab, double-click a modem to open a modem s Properties dialog box. The Properties dialog box allows you to control speaker volume for the modem or to

After you have mounted an image, you can modify it by installing device drivers and other software packages.

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@Column(name = "ITEM_DESCR") private String description; public String getDescription() { return description; }

You are a systems administrator, and your responsibilities were recently increased to include a group of users at a remote office who have, up until now, been forced to maintain their own Windows XP computers. One of your users is complaining that his computer has grown slower over the past year. In particular, he notes that it takes Microsoft Word longer to open documents that have been recently created. Which of the following actions will improve the performance of this user s desktop Choose the correct answer. A. Decrease the size of the paging file. B. Enable NTFS compression. C. Run Disk Defragmenter on the system s hard disk. D. Set the Performance Logs And Alerts service to start automatically.

Which of the following pieces of information can be gathered from the Windows Task Manager Choose three correct answers. A. CPU utilization B. Network utilization C. Page file utilization D. Packet loss E. Memory usage F. Open files

This is the default behavior as defined by the JPA specification. However, Hibernate allows flexible customization of the access strategy with the @org.hibernate.annotations.AccessType(<strategy>) annotation:

A user is complaining of performance problems with his Windows XP Professional system, but he is not sure whether the problems are caused by an underpowered processor, a shortage of memory for the applications he uses, or a slow disk drive. To upgrade the system component that is limiting the system s performance, you need to log performance data over a period of several days while the user is working with the computer. Which of the following procedures begins the process of gathering performance data Choose two correct answers. A. Log on to the user s computer. Launch the Computer Management console, expand System Tools, and then expand Performance Logs And Alerts. Select Counter Logs in the left pane. In the right pane, right-click System Overview and click Start. B. Log on to the user s computer. Launch Control Panel and select Performance And Maintenance. Click Consoles, and then double-click Performance. Select System Monitor in the left pane. In the right pane, right-click System Overview and click Start.

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