Your network contains a server named Server1 that runs a Server Core installation of Windows Server 2008 R2. Server1 is configured as a DNS server. You need to ensure that Server1 only resolves name queries from IPv6 clients. What should you do?
A.
Run netsh.exe and specify the dnsclient parameter.
B.
Run dnscmd.exe and specify the /config parameter.
C.
Run dnscmd.exe and specify the /resetlistenaddresses parameter.
D.
Run netsh.exe and specify the interface parameter.
Explanation:
To configure your DNS server to listen over IPv6, do the following:
Install Windows Support Tools.
For more information, see Install Windows Support Tools Open Command Prompt.
Type the following command:
dnscmd /config /EnableIPv6 1
Restart the DNS Server service.
For more information, see Start or stop a DNS server. http://technet.microsoft.com/en-us/library/cc783049(WS.10).aspx
This answer correct is B
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Correct answer is B. Read the explanation ))))))
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Correct answer is C.
The request is to have the DNS server resolve queries ONLY from IPv6 clients. The ResetListenAddresses configures the DNS Server bindings, while the explanation refers to Windows Server 2003 and allows DNS Server to listen over IPv6 in addition to IPv4.
dnscmd /resetlistenaddresses /?
Usage: DnsCmd /ResetListenAddresses [] …]
— an IP address belonging to the DNS server
Default: listen to all server IP Address(es) for DNS requests
http://technet.microsoft.com/en-us/library/cc772069.aspx#BKMK_17
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