Your company uses Active Directory integrated DNS. USers require access to the internet. You run a network capture. You notice the DNS server is sending DNS name resolution queries to a server named f. root-servers.net.You need to prevent the DNS server from sending queries to f.root-servers.net The server must be able to resolve names for internet hosts. Which two actions should you perform？ （）
第1题：
You are the network administrator for your company. You need to provide Internet name resolution services for the company. You set up a Windows Server 2003 computer running the DNS Server service to provide this network service. During testing， you notice the following intermittent problems： Name resolution queries sometimes take longer than one minute to resolve. Some valid name resolution queries receive the following error message in the Nslookup command-line tool： "Non-existent domain." You suspect that there is a problem with name resolution. You need to review the individual queries that the server handles. You want to configure monitoring on the DNS server to troubleshoot the problem. What should you do？ （）
第2题：
Your company has a main office and a branch office. Your network contains a single Active Directory domain. An Active Directory site exists for each office. All domain controllers run Windows Server 2008 R2. You plan to modify the DNS infrastructure. You need to plan the new DNS infrastructure to meet the following requirements： èEnsure that the DNS service is available even if a single server fails èEncrypt the synchronization data that is sent between DNS servers èSupport dynamic updates to all DNS servers What should you include in your plan？（）
第3题：
Your company has an Active Directory forest. All domain controllers run the DNS Server server role.The company plans to decommission the WINS service.You need to enable forest-wide single name resolution.What should you do？（）
A. Enable WINS-R lookup in DNS.
B. Create Service Location (SRV) records for the single name resources.
C. Create an Active Directory-integrated zone named LegacyWINS. Create host (A) records for the single name resources.
D. Create an Active Directory-integrated zone named GlobalNames. Create host (A) records for the single name resources.
第4题：
Your company has a single active directory forest that has an active directory domain named na.contoso.com.zone. you have enabled DNS scavenging on server1. Three weeks later, you notice that the stale resource records remain in na.contoso.com. you need to ensure that the stale resource records are removed from na.contoso.com. what should you do?（）
第5题：
Your network contains an Active Directory forest. All domain controllers run Windows Server 2008 and are configured as DNS servers. You have an Active Directory-integrated zone for contoso，com. You have a Unix-based DNS server， You need to configure your Windows Server 2008 environment to allow zone transfers of the contoso，com zone to the Unix-based DNS server. What should you do in the DNS Manager console（）
第6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 int he branch office 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 service 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？ （）
第7题：
Your network consists of a single Active Directory domain named contoso.com. All servers runWindows Server 2003 Service Pack 2 (SP2). All client computers run Windows XP Professional Service Pack 3 (SP3). You have two DNS servers named DNS1.contoso.com and DNS2.contoso.com. All client computers are configured to use DNS1 as their preferred DNS server and DNS2 as an alternate DNS server. You need to verify that DNS1 is responding to name resolution queries from a client computer. What should you run from the client computer?（）
第8题：
Your company uses Active Directory-integrated DNS. Users require access to the Internet.You run a network capture.You notice the DNS server is sending DNS name resolution queries to a erver named f.root-servers.net.You need to prevent the DNS server from sending queries to f.root-servers.net. The server must be able to resolve names for Internet hosts.Which two actions should you perform？（）
A. Enable forwarding to your ISPs DNS servers.
B. Disable the root hints on the DNS server.
C. Disable the netmask ordering option on the DNS server.
D. Configure Reverse Lookup Zones for the IP subnets on the network.
第9题：
You work as the IT professional in an international company which is named wiikigo. You are experienced in implementing and administering a network operating system. You are specialized in configuring IP addressing and services, configuring name resolution and network access and so on. You are in charge of a domain controller that runs windows server 2008 and the DNS 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. But the user must not so what action should you perform?（）
第10题：
Your company has an Active Directory domain. The main office has a DNS server named DNS1 that is configured with Active Directory-integrated DNS. The branch office has a DNS server named DNS2 that contains a secondary copy of the zone file from DNS1. The two offices are connected with an unreliable WAN link. You add a new server to the main office. Five minutes after adding the server， a user from the branch office reports they are unable to connect to the new server. You need to ensure that the user is able to connect to the new server. What should you do（）