单项选择题
A. Restart the DNS server service on DC1
B. Run the dnscmd command by using the /zonerefresh option on DC1.
C. Run the dnscmd command by using the /zonerefresh option on SRV1.
D. Set the refresh interval to 10 minutes on the Start Of Authority (SOA) record.
单项选择题 YourcompanyhasanActiveDirectorydomainnamedad.contoso.comThecompanyalsohasapublicnamespacenamedcontoso.com.YouneedtoensurethatpublicDNSzonerecordscannotbecopied.YoumustachievethisgoalwithoutimpactingthefunctionalityofpublicDNSnameresolutions.Whatshouldyoudo()
单项选择题 Yourcompanyhasasingleactivedirectoryforestthathasanactivedirectorydomainnamedna.contoso.comzone.youhaveenabledDNSscavengingonServer1.Threeweekslater,younoticethatthestaleresourcerecordsremaininna.contoso.com.Youneedtoensurethatthestaleresourcerecordsareremovedfromna.contoso.com.Whatshouldyoudo?()