单项选择题
A. Decrease the Retry Interval setting in the Start of Authority (SOA) record for the zone.
B. Decrease the Refresh Interval setting in the Start of Authority (SOA) record for the zone.
C. Increase the Refresh Interval setting in the Start of Authority (SOA) record for the zone.
D. Disable the netmask ordering option in the properties of the DNS Master server for the zone.
单项选择题 Your company has multiple DNS servers in the main office. You plan to install DNS on a member server in a branch office. You need to ensure that the DNS server in the branch office is able to query any DNS server in the main office, and you need to limit the number of DNS records that are transferred to the DNS server in the branch office. What should you do？（）
单项选择题 You manage a domain controller that runs Windows Server 2008 R2 and the DNS Server server role. The DNS server hosts an Active Directory-integrated zone for your domain.You need to provide a user with the ability to manage records in the zone. The user must not be able to modify the DNS server settings. What should you do?（）
单项选择题 Your company has a single domain named contoso.com. The contoso.com DNS zone is Active Directory-integrated. Your partner company has a single domain named partner.com. The partner.com DNS zone is Active Directory-integrated. The IP addresses of the DNS servers in the partner domain will change. You need to ensure name resolution for users in contoso.com to resources in partner.com. What should you do？（）