单项选择题
A. Use DNS manager to delete the 127.in-addr.arpa zone.
B. Run the dnscmd /RecordDelete 10.3.2.127 command at the command prompty
C. Run the dnscmd /ZoneDelete 127.in-addr.arpa command at the command prompt.
D. Run the dnscmd /RecordDelete 10.in-addr.arpa 127.2.3 PTR command at the command prompt.
单项选择题 Howshouldyouconfigureeachportablecomputer（）？
单项选择题 Your network contains a server named Server1 that runs Windows Server 2008 R2. Server1 has the Routing and Remote Access service （RRAS） role service installed.You need to view all inbound VPN packets. The solution must minimize the amount of data collected.What should you do？（）
单项选择题 YourcompanyhasasingleActiveDirectoryforestthathasanActiveDirectorydomainnamedna.contoso.comAmemberservernamedServer2runstheDNSserverrole.TheServer2DNSservicehostsmultiplesecondaryzonesincludingna.contoso.com.YouneedtoreconfigureServer2asacaching-onlyDNSserver.Whatshouldyoudo（）