Your network contains an Active Directory domain named contoso.com. The domain contains a
server named Server1 that runs Windows Server 2012 R2 and has the DNS Server server role
installed. Server1 is configured to delete automatically the DNS records of client computers that are
no longer on the network. A technician confirms that the DNS records are deleted automatically
from the contoso.com zone. You discover that the contoso.com zone has many DNS records for
servers that were on the network in the past, but have not connected to the network for a long time.
You need to set the time stamp for all of the DNS records in the contoso.com zone.
What should you do?
A.
From DNS Manager, modify the Advanced settings from the properties of Server1
B.
From Windows PowerShell, run the Set-DnsServerResourceRecordAging cmdlet
C.
From DNS Manager, modify the Zone Aging/Scavenging Properties
D.
From Windows PowerShell, run the Set-DnsServerZoneAging cmdlet
Hi,
I do not beleive this answer is correct. if scavaging was not turned on on the zone (like set-dnsserverzoneaging does) the newer records would not be removed.
However, this is about only the old records. For this you require the set-dnsserverresourcerecordaging. In my opinion this anwer should be B.
In my opinion answer B
Correct answer is B.
The question is : You need to set the time stamp for all of the DNS records in the contoso.com zone. What should you do?
The Set-DnsServerZoneAging cmdlet configures aging settings for a Domain Name System (DNS) server zone. A resource record can remain on a DNS server
after the resource is no longer part of the network. Aging settings determine when a record can be removed, or scavenged, as a stale record.
Set-DnsServerResourceRecordAging
Begins aging of resource records in a specified DNS zone.
The Set-DnsServerResourceRecordAging cmdlet ages Domain Name System (DNS) resource records in a DNS zone. You must enable aging at the zone level by using the Set-DnsServerZoneAging cmdlet.
A resource record can remain after the resource is no longer part of the network. Aging settings determine when a record can be removed as stale. After that time, designated DNS servers can remove, or scavenge, a stale record.
This cmdlet sets a time stamp to the current time for records in a specified zone on the specified DNS server, if you have enabled aging for the zone.
For details, see https://technet.microsoft.com/en-us/library/jj649936.aspx.
Excellently explained, thanks.
B
https://technet.microsoft.com/en-us/library/jj649936.aspx
B is right answer
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