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You work for Tailspin Toys. The main office is in Arkansas, and the branch office is in Delaware. Arkansas and Delaware are connected by a T1 line. The only connection to the Internet is through Arkansas. Tailspin Toys consists of one domain and employs 300 people. The IT department is located in Arkansas. You are the network administrator for the company. Users and other administrators report issues on the network. You must decide which diagnostic tool is most appropri ate to use in solving the problem. Five different reports are described next. For each report, determine which tool is appropriate. Choose from the full version of Network Monitor, the Lite version of

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Network Monitor, Netstat, Ping, the tests on the DNS Monitoring tab, the network Repair button, network bridging, and service configurations. Provide a reason to justify each of your choices. You might not need to use all the possible answer choices. 1. A user in Arkansas reports that he cannot browse the Internet. You ask him to ping the local gateway, and it is not available. Other users on the network are not hav ing problems.

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2. All users in the company report that they cannot browse the Internet. However, access to company resources is not affected.

3. A network administrator in Delaware wants to know the best way to implement a new segment on the network with a different physical topology. She doesn t want to buy a hardware router.

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For added security, create separate external and internal namespaces to help prevent unauthorized access to private resources. Base the internal name on the external name (e.g., contoso.com and local.contoso.com) rather than creating sep arate names.

4. A network administrator in Delaware reports that a third-party service on a server refuses to start. He s restarted the service several times, but it doesn t start.

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5. An administrator in Arkansas thinks her server might have been infected with a virus or Trojan horse program. This program seems to have a specific port open. How can this administrator determine which process uses which port

Security principal objects are Active Directory objects that are assigned security identi fiers so that they can be used to log on to the network and be granted access to domain resources. An administrator needs to provide names for security principal objects (user accounts, computer accounts, and groups) that are unique within a domain. Thus, you need to design a naming strategy that allows for this. When an administrator adds a new user account to the directory, the administrator must provide the following information:

Summary

Maintaining your Windows Server 2003 network is one of your most critical daily functions. Getting quick status about the network interface on your server is easy with the Task Manager Networking tab. Use the Performance console to configure alerts. Alerts are added to the Applica tion event log.

Ideally, you should create a naming strategy that provides a method for creating the names in a consistent manner. The names of security principal objects can contain all Unicode characters except certain special LDAP characters that include: a leading space, a trailing space, and any of the following characters: # , + " \ < >. In addition to these character exclusions, security principal names must conform to the following guidelines:

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User account names can be a maximum of 20 characters. Computer account names can be a maximum of 15 characters. Group account names can be a maximum of 63 characters.

Netstat helps monitor network traffic, and the Netstat o command can be used to determine the PID of a process that has opened a port. Task Manager shows the PIDs of processes. The full version of the Network Monitor tool, which is found in SMS, can capture traffic between any computers on the local segment. Network Monitor triggers an alert when specific patterns are matched or a specific amount of buffer space is used. When troubleshooting Internet connectivity, you check the client s IP settings, DNS settings, and forwarder settings. The network adapter s Repair button performs a myriad of tests and functions that can resolve connectivity problems. Network bridging makes multiple networks appear as one network. Some services depend on each other in order to start. You can check their depen dencies through a service s Dependencies tab. The service recovery options allow you to restart the service, run a program, or restart the computer after single or multiple service failures.

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