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You are your companys network administrator. The network contains Windows XP Professional and Windows Server 2003 computers. A primary DNS server named DNS1 hosts an Active Directory-integrated zone named corp.com. All client computers, except those in the research department, use dynamic IP addresses assigned by a DHCP server. The research department for your company has asked you to create its own DNS server, which you name DNS-Res. You create a DNS zone named res.corp.com. You configure the client computers in the research department to use DNS-Res as their primary DNS server. You then delegate the res.corp.com child domain to DNS-Res. You must ensure that all queries for resources outside the research department and Internet-based resources are processed by DNS1. What should you do?



A. Configure DNS-Res to use DNS1 as a forwarder.
B. Configure DNS1 to use DNS-Res as a forwarder.
C. Add the IP address of DNS1 to the root hints of DNS-Res.
D. Add DNS1 to the list of DNS servers used by the clients in the research department.

This question is part of

Microsoft 70-291 Practice Exam
Asked by Milt, Last updated: Jul 04, 2020

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1 Answer

John Smith

John Smith

Answered Sep 08, 2016

Configure dns-res to use dns1 as a forwarder.-explanation: you should configure dns-res to use dns1 as a forwarder. this will ensure that dns-res will forward any dns requests for which it is not authoritative to dns1. you should not configure dns1 to use dns-res as a forwarder. this would cause problems on your network, as dns1 would forward any dns requests for which it is not authoritative to dns-res. dns1 should forward internet requests to dns servers on the internet. you should not add the ip address of dns1 to the root hints of dns-res. root hints should only include the ip addresses of internet root name servers, not internal servers. you should not add dns1 to the list of dns servers used by the clients in the research department. while this would ensure that research department clients could still resolve dns queries in the event of failure on dns-res, it would not ensure that dns-res will forward any dns requests for which it is not authoritative to dns1.
 

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