You have a DHCP serve that runs windows server 2008. You restore the DHCP database by using a recent backup. You need to prevent DHCP clients from receiveing IP addresses that are currently in use on the network.
What should you do?（）

多项选择题Your network contains a server that runs Windows Server 2008 R2. You need to schedule backups of the server. The solution must ensure that multiple versions of the backup are available. Which two possible backup locations should you use？（）

A. external hard disk
B. internal hard disk
C. optical media
D. remote shared folder

单项选择题You have a file serve that runs windows server 2008. The serve has a shared folder. You need to receive a notification when a user stores more than 500MB of data in the shared folder. You must allow users to store more than 500MB of data in the shared folder. What should you do?（）

A.Create a soft quota.
B.Create a hard quota.
C.Create an active screening file screen.
D.Create a passive screening file screen.

单项选择题your company has a main office and two branch offices. Domain controllers in the main office host an active directory-integrated zone. The DNS servers in the branch office host a secondary zone for the domain and use the main office DNS servers as their DNS master servers for the zone. The company adds a new branch office. You add a member server named branch3 and install the DNS service on the server. You configure a secondary zone for the domain. The zone transfer fails. You need to configure DNS to provide zone data to the DNS server in the new branch office. What should you do?（）

A.Run dnscmd using the zoneresetmasters option.
B.Run dnscmd by using the zoneresetsecondaries option.
C.Add the new DNS server to the zone transfers tab on one of the DNS servers in the main office.
D.Add the new DNS server to the DNSUpdateProxy global security group in active directory users and computers.

单项选择题Your network contains two servers named Server1 and Server2. Server1 runs Windows Server 2008 R2. Server2 runs Windows Server 2008. You need to ensure that you can initiate a full server backup of Server2 from Server1. What should you do？（）

A. Install Windows Server Backup on Server2.
B. Upgrade Server2 to Windows Server 2008 R2.
C. Add an exception to Windows Firewall on Server2.
D. Add your user account to the Backup Operators group on Server2.

单项选择题you manage a server that runs windows server 2008. The windows backup and restore utility is installed on the server. You need to create a full backup of all system state data to the DVD drive (R: drive) on the server. Which command should you run on the server?（）

A.WBadmin enable backup –addtarget:R: /quiet.
B.Wbadmin enable backup –addtarget:C: /quiet.
C.Wbadmin start backup –allCritical –backuptarget:C: /quiet.
D.Wbadmin start backup –allCritical –backuptarget:R:/ quiet.