单项选择题

Your company has a main office and two branch offices. Domain controllers in the main office host an Active Directory-integrated zone.The DNS servers in the branch offices host a secondary zone for the domain and use the main office DNS servers as their DNS Master servers for the zone.The company adds a new branch office. You add a member server named Branch3 and install the DNS Server server role on the server. You configure a secondary zone for the domain. The zone transfer fails.You need to configure DNS to provide zone data to the DNS server in the new branch office.
What should you do?()

A. Run dnscmd by using the ZoneResetMasters option.
B. Run dnscmd by using the ZoneResetSecondaries option.
C. Add the new DNS server to the Zone Transfers tab on one of the DNS servers in the main office. 
D. Add the new DNS server to the DNSUpdateProxy Global security group in Active Directory Users and Computers.


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3.单项选择题

Your company has a domain controller named Server1 that runs Windows Server 2008 R2 and the DNS server role. A server named Server2 runs Windows Server 2003 and Microsoft Exchange Server 2007. The company wants to deploy a new Exchange server named Server3 to receive all inbound e-mail traffic. You need to configure DNS to direct incoming e-mail traffic to the Exchange servers. You also need to ensure that higher priority is given to Server3. 
What should you do?()

A. Set the priority value of the Server2 Mail Exchanger (MX) record to 20. Create a new Mail Exchanger (MX) record for Server3. Set the priority value to 5. 
B. Set the priority value of the Server2 Mail Exchanger (MX) record to 5. Create a new Mail Exchanger (MX) record for Server3. Set the priority value to 20.
C. Create a new Service Location (SRV) record in the domain for Server3. Set the port number value to 25. Configure the priority setting to 20.
D. Create a new Service Location (SRV) record in the domain for Server3. Set the port number value to 110. Configure the priority setting to 5.

4.单项选择题

Your company has a domain controller that runs Windows Server 2008 R2 and the DNS role. The DNS domain is named contoso.com. You need to ensure that inquiries about contoso.com are sent to dnsadmin@contoso.com.
What should you do?()

A. Create a Signature (SIG) record for the domain controller.
B. Modify the Name Server (NS) record for the domain controller.
C. Modify the Service Location (SRV) record for the domain controller.
D. Modify the Start of Authority (SOA) record on the domain controller.

7.单项选择题

Your company has a single Active Directory domain. All servers run Windows Server 2008 R2.You install an additional DNS server that runs Windows Server 2008 R2.You need to delete the pointer record for the IP address 10.3.2.127.
What should you do?()

A. Use DNS manager to delete the 127.in-addr.arpa zone.
B. Run the dnscmd /RecordDelete 10.3.2.127 command at the command prompt.
C. Run the dnscmd /ZoneDelete 127.in-addr.arpa command at the command prompt.
D. Run the dnscmd /RecordDelete 10.in-addr.arpa. 127.2.3 PTR command at the command prompt.

8.单项选择题

Your company has a main office and two branch offices. Domain controllers in the main office host an Active Directory-integrated zone.The DNS servers in the branch offices host a secondary zone for the domain and use the main office DNS servers as the DNS Master servers for the zone. Each branch office has an application server. Users access the application server by using its fully qualified domain name. You need to ensure that users in the branch offices can access their local application server even if the WAN links are down for three days.
What should you do?()

A. Increase the Expires After setting to 4 days on the Start of Authority (SOA) record for the zone.
B. Increase the Refresh Interval setting to 4 days on the Start of Authority (SOA) record for the zone.
C. Configure the Zone Aging / Scavenging Properties dialog box to enable Scavenge stale resource records, and set the Refresh setting to 4 days.
D. Configure the Zone Aging / Scavenging Properties dialog box to enable Scavenge stale resource records, and set the No-refresh interval setting to 4 days.

9.单项选择题

Your company has a main office and two branch offices that are connected by WAN links. The main office runs the DNS Server service on three domain controllers. The zone for your domain is configured as an Active Directory-integrated zone. Each branch office has a single member server that hosts a secondary zone for the domain. The DNS servers in the branch offices use the main office DNS server as the DNS Master server for the zone. You need to minimize DNS zone transfer traffic over the WAN links.
What should you do?()

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.

10.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?()

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.

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