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OSPF is designed for exchanging routing information within a large or very large internetwork. The biggest advantage of OSPF is that it is efficient; OSPF requires little network overhead even in very large internetworks. The biggest disadvantage of OSPF is its com plexity; it requires proper planning and is difficult to configure and administer. OSPF uses a Shortest Path First (SPF) algorithm to compute routes in the routing table. The SPF algorithm computes the shortest (least cost) path between the router and all the networks of the internetwork. SPF-calculated routes are always loopfree. Instead of exchanging routing table entries like RIP routers, OSPF routers maintain a map of the internetwork that is updated after any change to the network topology. This map, called the link state database, is synchronized between all the OSPF routers and is used to compute the routes in the routing table. Neighboring OSPF routers form an adjacency, which is a logical relationship between routers to synchronize the link state database.

Because User101 is a member of Group1, Group2, and Group3, User101 s effective permission is Full Control, which includes all capabilities of the Read permission and the Change permission.

Sending a Message to a Message Queue. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 577

You need to deploy the Windows 7 operating system to 10 computers that are located on a network isolated from the Internet. These computers have been custom-built using hardware purchased from different vendors. These 10 computers are the only hosts on this network. These computers have the Windows 7 Enterprise operating system installed. Which of the following components should you deploy in your solution

Log An Entry In The Application Event Log Selecting this option puts an event in the event log, which you can see using Event Viewer. A notice of the counter, value, and limit are part of the log entry, as shown in Figure 12-9.

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It is extremely simple to deploy reports that end users create by using Report Builder 1.0. When you finish developing a report in Report Builder, on the File menu, select Save As. You can name the report in the Save As Report window and then select any folder that you have permissions to for deployment on your report server. When you save the report in Report Builder, you are publishing the report. If you want to save the report definition file in the file system so that you can edit it in BIDS or deploy it with Report Manager, you need to select the Save To File option on the Report Builder File menu. Pr actice

The CheckBox and ToggleButton controls are similar to the Button control, but they have a toggle state. You can t set the starting state in markup; you need to do it from code. HelpButton is a special control that is similar to the Button control, but it s restricted to appearing only once in a Ribbon, in the Ribbon.HelpButton element. The framework provides the image for the help button. The associated command can provide the ToolTip and the Keytip. The purpose of the help button is to have a common place that the user can refer (click) to get help about the application. The Spinner control is a combination of two controls: an edit box that takes decimal values, and up/down arrows that increment or decrement the value. Setting the initial values and controlling the limits is done via code. The following markup segment shows the markup behind Figure 11-14:

Correct Answers: B A. Incorrect: Windows XP Setup does not automatically retrieve updates during setup. B. Correct: Integrating service pack files into the operating system installation files, a process known as slipstreaming, is the most efficient way to deliver a new oper ating system and service pack together. It offers better security, too, because there is less opportunity for an attacker to compromise the computer before known vul nerabilities have been patched. C. Incorrect: While this is a viable option, it is not as efficient as integrating the ser vice pack files into the operating system installation files. Additionally, computers will be more vulnerable to security attacks between the time when the operating system is configured and Service Pack 2 is installed. D. Incorrect: While this is a viable option, it may take several days and multiple reboots for Automatic Updates to retrieve and apply all updates. Therefore, it is not as efficient as creating an integrated installation, and the computers will be more vulnerable to attacks until the latest updates are installed.

You administer a Microsoft Windows Server 2003 based network. Client computers obtain their configuration automatically. The DHCP service is installed on a Microsoft Windows Server 2003, Enterprise Edition computer with a single hard disk. You are concerned about the number of hardware errors on this server and see that disk error messages are increasing in frequency. You decide to transfer the DHCP function to another computer and install Microsoft Windows Server 2003, Enterprise Edition and DHCP on that PC. Which is the most efficient way to transfer the DHCP database