Proxy servers have two main purposes :

1. Improve Performance  (and)

2.  is  ______ ?

What are presentation, application and database servers in SAP R/3?

Can SQL Servers linked to other servers like Oracle?

Your network consists of a single Active Directory domain. All network servers run Windows Server 2003 Service Pack 2 (SP2). You share a folder named Research. A user named User1 reports that he cannot access files in the Research share. You confirm that the Domain Users group is granted the Change permission for the Research share. You run the Cacls command as shown in the exhibit:

You need to ensure that User1 can modify files in the Research share. You must prevent User1 from modifying permissions for the Research folder. To which group should you add User1?

Your network consists of a single Active Directory domain. All servers run Windows Server 2003 Service Pack 2 (SP2). All client computers run Windows XP Service Pack 3 (SP3). You install and configure Microsoft Windows Server Update Services (WSUS) 3.0 on a member server named Server1. You create a new Group Policy Object named GPO1 that enables automatic updating. You link GPO1 to the domain. You need to ensure that each client computer obtains software updates from Server1. What should you do?

Your network consists of a single Active Directory domain. You have 10 Web servers run Windows Server 2003 Service Pack 2 (SP2). You need to archive all of the application event logs for all the Web servers. The archived logs must contain all information from the original logs. What should you do?

Your network consists of a single Active Directory domain. All servers run Windows Server 2003 Service Pack 2 (SP2). You enable auditing for failed logon attempts on all domain controllers. You need to ensure that a record of failed logon attempts is retained for 90 days on all domain controllers. What should you do?

Your network consists of a single Active Directory domain. All servers run Windows Server 2003 Service Pack 2 (SP2). All client computers run Windows XP Professional Service Pack 3 (SP3). On a file server, you have a shared folder named Data. The Data folder has the permissions shown in the following table:

You need to ensure that members of a group named Sales can modify content in the Data share. Sales group members must only be allowed to delete files that they create. Which additional permission should you assign to the Sales group?