单项选择题
Your company has two servers that run Windows Server 2008 named Server2 and Server3， Both servers have the DNS server role installed. Server3 is configured to forward all DNS requests to Server2. You update a DNS record on Server2. You need to ensure that Server3 is able to immediately resolve the updated DNS record. What should you do？（）
A. Run the dnscmd /clearcache on Server3
B. Run the ipconfig /flushdns command on Server3
C. Decrease the Time-to-Live （TTL） on the Start of Authority （SOA） record of na.contoso.com to 15minutes
D. Increase the Retry Interval value on the Start of Authority （SOA） record of na.contoso.com to 15 minutes.
相关考题
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单项选择题
You need to capture the HTTP traffic to and from a server every day between 09:00 and 10:00. What should you do? （）
A.Create a scheduled task that runs the Netsh tool.
B.Create a scheduled task that runs the Nmcap tool.
C.From Network Monitor，configure the General options.
D.From Network Monitor，configure the Capture options. -
单项选择题
YourcompanyhasaDNSservernamedServer1.YourpartnercompanyhasaDNSservernamedServer2.YoucreateastubzoneonServer1.ThemasterforthestubzoneisServer2.Server2fails.Youdiscoverthatusersarenotabletoresolvenamesforthepartnercompany.YouneedtoensurethatusersareabletoresolvenamesforthepartnercompanyintheeventthatServer2fails.Whatshouldyoudo？（）
A. Change the stub zone to a secondary zone on Server1
B. Open the SOA record for the zone on Server2. Change the Minimum （default） TTL setting to 12 hours.
C. Open the DNS zone for the partner company on Server2. Create a new Route Through （RT） record and a new host （A） record for Server1.
D. Open the primary DNS zone on Server2. Create a new Service Locator （SRV） record and a new host（A） record for Server1. -
单项选择题
YourcompanyhasmultipleDNSserversinthemainoffice.YouplantoinstallDNSonamemberserverinabranchoffice.YouneedtoensurethattheDNSserverinthebranchofficeisabletoqueryanyDNSserverinthemainoffice，andyouneedtolimitthenumberofDNSrecordsthataretransferredtotheDNSserverinthebranchoffice.Whatshouldyoudo？（）
A. Configure a secondary zone on the DNS server in the branch office.
B. Configure a stub zone on the DNS server in the branch office
C. Configure a stub zone on the DNS server in the main office.
D. Configure a primary zone on the DNS server in the branch office.
