單項(xiàng)選擇題

You are the DNS administrator for Adventure Works. Adventure Works is an Internet service provider （ISP） that hosts Web sites for many companies.
Each Adventure Works DNS server hosts multiple DNS zones for customers. Several Adventure Works administrators are allowed to add DNS zones. You want to produce a weekly report that will list all the zones that are hosted on each DNS server.
What should you do？（）

A.Use the dnslint utility to query each DNS server.
B.Use the dnscmd utility to query each DNS server.
C.Use the nslookup utility to query each DNS server.
D.Use the adsiedit utility to query Active Directory for a list of DNS zones.

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單項(xiàng)選擇題

You are a network administrator for Litware， Inc. The company’s main office is located in Lima， and branch offices are located in five other cities. The network consists of a single DNS domain named litwareinc.com. The network configuration is shown in the exhibit. （Click the Exhibit button.）

All network servers run Windows Server 2003. All client computer IP addresses are assigned by using a DHCP server that is located in each office. Client computers are reimaged often and are assigned new names each time they are reimaged. All client computers are configured to reference their local DNS server as the preferred DNS server and to reference the central DNS server as the alternate DNS server.A primary zone for litwareinc.com is configured on a server in the Lima office. Secondary zones are configured on a server in each branch office. The retry interval， the refresh interval， the expiration interval， and the default minimum Time to Live （TTL） interval are configured with the default settings.Network bandwidth utilization averages 40 percent. The network connection between the Lima office and the Bogota office fails an average of twice per day.Users in the Bogota office occasionally receive incorrect responses to queries against the local DNS server when the network connection is interrupted during a zone transfer.
You need to change the configuration of the start of authority （SOA） resource record for litwareinc.com. In addition， you need to reduce the possibility that users can query local DNS zones before successful zone transfers occur.
What should you do？（）

A.Change the retry interval to 12 hours.
B.Change the default minimum Time to Live(TTL) to 2 days.
C.Change the refresh interval to 2 days.
D.Change the expiration interval to 12 hours.

單項(xiàng)選擇題

You are the network administrator for Wingtip Toys. The network consists of a single Active Directory domain named wingtiptoys.com. The Active Directory-integrated DNS zone named wingtiptoys.com is replicated to all domain controllers. Only domain controllers have the DNS service installed.The network management department requires all hosts in the manufacturing division to be registered in the DNS namespace manufacturing.wingtiptoys.com. The manufacturing.wingtiptoys.com namespace does not exist on any of the DNS servers.You need to add support for the manufacturing.wingtiptoys.com namespace to all the existing DNS servers. To reduce administrative overhead， you want to find a solution that will not require reconfiguration if DNS servers are added to the domain in the future.
What should you do？（）

A.Create a subdomain named manufacturing in the wingtiptoys.com zone.
B.Create a delegation named manufacturing in the wingtiptoys.com zone.
C.Create a stub zone for manufacturing.wingtiptoys.com.
D.Create a primary zone for manufacturing.wingtiptoys.com that is not Active Directory-integrated.