单项选择题
Your company has a main office and a branch office.The network contains two DNS servers named DNS1 and DNS2.DNS1 is located in the main office. DNS1 hosts a primary standard zone named contoso.com. The contoso.com zone is configured to use DNSSEC.DNS2 is located in the branch office. DNS2 is a caching-only DNS server. You need to ensure that client computers in the branch office can receive authoritative responses to queries for contoso.com if a WAN link fails. DNSSEC security must be maintained.What should you configure on DNS2 for contoso.com？（）
A. a conditional forwarder
B. a secondary zone
C. a zone delegation
D. an Active Directory-integrated stub zone
相关考题
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单项选择题
Your network contains a DNS server named Server1 that runs Windows Server 2008 R2. You need to ensure that client computers can resolve IPv6 addresses to fully qualified domain names(FQDNs). Which type of resource record should you create？（）
A. Alias (CNAME)
B. Host (A)
C. Host (AAAA)
D. Pointer (PTR) -
单项选择题
Your company has a single active directory forest that has a domain in north America named na.contoso.com and a domain in south America named sa.contoso.com. the client computers run windows vista. You need to configure the client computes in the America office to improve the name resolution response time for resources in the south America office what should you do?（）
A.Configure a new GPO that disables the local-link multicast name resolution feature. Apply the policy to all the client computers in the north America office.
B.Configure a new GPO that enabled the loca-link multicast name resolution feature. Apply the policy to all the client computers in the North America office.
C.Configure a new GPO that configures the DNS suffix search list option to sa.contoso.com, na.contoso.com. apply the policy to all client computers in the north America office.
D.Configure the priority value for the SRV records on each of the north American domain controllers to 5. -
单项选择题
Your network contains a DNS server named DNS1 that runs Windows Server 2008 R2. DNS1 hosts a zone named contoso.com.Dynamic updates are enabled on the zone.The network contains a server named Web1.contoso.com.All computers on the network are configured to use DNS1 as their DNS server.You need to ensure that users can connect to Web1.contoso.com by using the name portal.contoso.com.The solution must ensure that the users can connect by using portal. contoso.com if the IP address of Web1.contoso.com changes.Which type of resource record should you create？（）
A. Alias (CNAME)
B. Host (A)
C. Host Information (HINFO)
D. Pointer (PTR)
