n controllers hold the DNS Server server role and are configured as Active Directory-integrated zones. The DNS zones only allow secure updates. You need to enable dynamic DNS updates on DC3. What should you do?

　　A.

　　Run the Ntdsutil.exe /DS Behavior commands on DC3.

　　B.

　　Run the Dnscmd.exe /ZoneResetType command on DC3.

　　C.

　　Reinstall Active Directory Domain Services on DC3 as a writable domain controller.

　　D.

　　Create a custom application directory partition on DC1. Configure the partition to store Active Directory-integrated zones.

　　Answers: C

　　39: Single

　　Your network consists of a single Active Directory domain. You have a domain controller and a member server that run Windows Server 2008. Both servers are configured as DNS servers. Client computers run either Windows XP Service Pack 2 or Windows Vista. You have a standard primary zone on the domain controller. The member server hosts a secondary copy of the zone. You need to ensure that only authenticated users are allowed to update host (A) records in the DNS zone. What should you do first?

　　A.

　　On the member server, add a conditional forwarder.

　　B.

　　On the member server, install Active Directory Domain Services.

　　C.

　　Add all computer accounts to the DNSUpdateProxy group.

　　D.

　　Convert the standard primary zone to an Active Directory-integrated zone.

　　Answers: D

　　40: Single

　　You have a domain controller that runs Windows Server 2008 and is configured as a DNS server. You need to record all inbound DNS queries to the server. What should you configure in the DNS Manager console?

　　A.

　　Enable debug logging.

　　B.

　　Enable automatic testing for simple queries.

　　C.

　　Enable automatic testing for recursive queries.

　　D.

　　Configure event logging to log errors and warnings.

　　Answers: A

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