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70-282 · Question #42

70-282 Question #42: Real Exam Question with Answer & Explanation

The correct answer is D. Configure DNS forwarders on the server to point to the ISP's name servers.. Explanation: A forwarder is a DNS server that receives queries from other DNS servers that are explicitly configured to send them. With Windows Server 2003 DNS servers, the forwarder requires no special configuration. However, you must configure the other DNS servers to send quer

Question

You are a network administrator for Company. The network contains 10 Microsoft Windows 2000 Professional client computers with similar hardware and software configuration and a freshly installed Microsoft Windows Small Business Server 2003 computer. All of the client computers are joined to the new domain. The owner of the company, Dr Sheet, wants to increase security from outside attacks through the Internet. You implement a new firewall device between the local area network and the Internet. You cannot access Web page on the Internet. From a client computer, you can ping the server and the ISP's DNS server. DNS server. DNS queries on the Windows Small Business Server 2003 computer are functioning. DNS lookups for domains on the Internet are not functioning properly. You need to ensure that the client computers can properly resolve internal and external fully qualified domain names. What should you do?

Options

  • AIn the Client Computers node in Server Management, add Computer Accounts for the client
  • BAdd Zone for Reverse Lookup Zone in the DNS console.
  • CConfigure the DNS Servers Scope option in DHCP to the ISP's DNS server.
  • DConfigure DNS forwarders on the server to point to the ISP's name servers.

Explanation

Explanation: A forwarder is a DNS server that receives queries from other DNS servers that are explicitly configured to send them. With Windows Server 2003 DNS servers, the forwarder requires no special configuration. However, you must configure the other DNS servers to send queries to the forwarder. You can configure a DNS server to forward all name resolution requests it cannot resolve itself to a server called a forwarder. Incorrect answers: A: There is no need to add computer accounts for the client computers. B: In reverse lookup zones, DNS servers map IP addresses to FQDNs. Adding reverse Lookup Zones will not help in solving the problem as you need to configure forwarders rather. C: This is not a DNS scope problem. Infrastructure, Microsoft Press, Redmond, 2004, Chapter 4, p. 40

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