Hotspot Question
Your network contains an Active Directory domain named contoso.com. The domain contains a
DNS server named Server1. You enable Response Rate Limiting on Server1. You need to prevent
Response Rate Limiting from applying to hosts that reside on the network of 10.0.0.0/24. Which
cmdlets should you run? To answer, select the appropriate options in the answer area.
Answer: 
Ref for the commands:
https://technet.microsoft.com/en-us/itpro/powershell/windows/dns-server/add-dnsserverclientsubnet
https://technet.microsoft.com/en-us/itpro/powershell/windows/dns-server/set-dnsserverresponseratelimitingexceptionlist
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The links are 404’d
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Disagree with first answer.
It should rather be Set-DnsServerResponseRateLimiting to enable the rate limiting instead of Add-DnsServerClientSubnet wihch has nothing to do at all with rate limiting but define a DNS zone.
The second answer is OK : Add-DnsServerResponseRateLimitingExceptionlist , as this command will be used with 10.0.0.0/24 as -clientsubnet parameter in the exception list for queries originating from specified client subnets
Definition : “The Add-DnsServerResponseRateLimiting cmdlet adds a Response Rate Limiting (RRL) exception list on the DNS server. The RRL exception list indicates that responses to queries for specified Fully Qualified Domain Names (FQDNs), queries originating from specified client subnets, queries received on specified server interfaces, or any combination of these values, are exempt from RRL.”
https://docs.microsoft.com/en-us/powershell/module/dnsserver/set-dnsserverresponseratelimiting?view=win10-ps
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The question states “You enable Response Rate Limiting on Server1”, so this is already done. The answer is Add-DnsServerClientSubnet & Add-DnsServerResponseRateLimitingExceptionlist
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Agree with Dmag.
https://nedimmehic.org/2017/04/25/how-to-deploy-and-configure-dns-2016-part6/
and
https://itpro.tv/course-library/mcsa-windows-server-2016-70741/installconfigure-dns-servers/
In both cases a subnet was NOT defined first but rate limiting was enabled. By default is disabled.
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There is a subnet. /24 is cIDR notation for 255.255.255.0
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The answer is correct.
It clearly says is question: “You enable Response Rate Limiting on Server1.”
So I would go with: Add-DnsServerClientSubnet & Add-DnsServerResponseRateLimitingExceptionlist
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