多项选择题
A.Configure a standard primary zone in each of the branch offices.
B.Configure forwarders that point to the DNS server in the main office.
C.Configure a secondary zone in each of the branch offices that uses the main office DNS server as a master.
D.Install DNS servers in each of the branch offices.
单项选择题 You have a DHCP server that runs Windows Server 2008 R2. The DHCP server has two network connections named LAN1 and LAN2.You need to prevent the DHCP server from responding to DHCP client requests on LAN2. The server must continue to respond to non-DHCP client requests on LAN2.What should you do？（）
单项选择题 You have a DHCP server that runs Windows Server 2008 R2.You need to reduce the size of the DHCP database.What should you do？（）
单项选择题 Yourcompanyhasamainofficeandabranchoffice.ThemainofficehasadomaincontrollernamedDC1thathostsaDNSprimaryzone.ThebranchofficehasaDNSservernamedSRV1thathostsaDNSsecondaryzone.AllclientcomputersareconfiguredtousetheirlocalserverforDNSresolution.YouchangetheIPaddressofanexistingservernamedSRV2inthemainoffice.YouneedtoensurethatSRV1reflectsthechangeimmediately.Whatshouldyoudo？（）