You work as the network administrator at Domain.com. The Domain.com network consists of a single Active Directory domain named Domain.com. Domain.com has its headquarters located in London and branch office located in Paris. All servers on the Domain.com network run Windows Server 2008 and all client computers run Windows Vista. The Domain.com network currently contains multiple DNS servers in the London office.
During the course of the day you receive instruction from Domain.com to install DNS on a member server in the Paris office named CERTKILLER-SR02 which meets the requirements set below:CERTKILLER-SR02 should be able to query the London office DNS servers.CERTKILLER- SR02 should be configured to ensure a limited number of DNS records would be transferred to CERTKILLER-SR02 in the Paris office.
What should you do?
A.
You should consider having CERTKILLER-SR02 configured with a secondary zone.
B.
You should consider having CERTKILLER-SR02 installed in the Paris office.
C.
You should consider having CERTKILLER-SR02 configured with a primary zone.
D.
You should consider having CERTKILLER-SR02 configured with a stub zone.
Explanation:
You should then configure a stub zone in the London office.
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You should consider having a DNS server install in the Paris office configured as a stub zone which would ensure that the DNS server in the Paris office is able to query any DNS server in the London office ensuring that only a limited number of DNS records are transferred to the DNS server in the Paris office.
You should note that the stub zone is a copy of a zone containing only the resource records required to identify authoritative name server for the zone. You should be aware that a stub zone keeps a DNS server hosting a parent zone aware of the authoritative DNS servers for its child zone.
You should additionally note that the stub zone would only contain a copy of the SOA and NS records for the name servers authoritative for the for the zone and no CNAME records, MX records or SRV records for the other hosts in the zone.
Reference : DNS Server Role
http://technet2.microsoft.com/windowsserver2008/en/library/533a1cfc-5173-4248-914c- 433bd018f66d1033.mspx?mfr=true
Reference : What is Stub zone in DNS/ What Stub Zones Do http://caloni00net.blog.dada.net/post/439393/What+is+Stub+zone+in+DNS