You need to ensure that Scope1 has a subnet mask of 255.255.255.0

Your network contains an Active Directory domain named contoso.com. The domain contains a
DHCP server named Server1that runs Windows Server 2012 R2.
You create a DHCP scope named Scope1. The scope has a start address of 192168.1.10, an end
address of 192.168.1.50, and a subnet mask of 255.255.255.192.
You need to ensure that Scope1 has a subnet mask of 255.255.255.0. What should you do first?

Your network contains an Active Directory domain named contoso.com. The domain contains a
DHCP server named Server1that runs Windows Server 2012 R2.
You create a DHCP scope named Scope1. The scope has a start address of 192168.1.10, an end
address of 192.168.1.50, and a subnet mask of 255.255.255.192.
You need to ensure that Scope1 has a subnet mask of 255.255.255.0. What should you do first?

A.
From Windows PowerShell, run the Remove-DhcpServerv4PolicyIPRange cmdlet.

B.
From the DHCP console, modify the Scope Options of Scope1.

C.
From Windows PowerShell, run the Remove-DhcpServerv4Scope cmdlet.

D.
From Windows PowerShell, run the Set-DhcpServerv4Scope cmdlet.

Explanation:
Set-DhcpServerv4Scope
Sets the properties of an existing IPv4 scope on the Dynamic Host Configuration Protocol (DHCP)
server service.

Syntax:
Parameter Set: WithoutRange
Set-DhcpServerv4Scope [-ScopeId] <IPAddress> [-ActivatePolicies <Boolean> ] [-AsJob] [-CimSession
<CimSession[]> ] [-ComputerName <String> ] [-Delay <UInt16> ] [-Description <String> ] [-
LeaseDuration <TimeSpan> ] [-MaxBootpClients <UInt32> ] [-Name <String> ] [-NapEnable
<Boolean> ] [-NapProfile <String> ] [-PassThru] [-State <String> ] [-SuperscopeName <String> ] [-
ThrottleLimit <Int32> ] [-Type <String> ] [-Confirm] [-WhatIf] [ <CommonParameters>]
Parameter Set: WithRange
Set-DhcpServerv4Scope [-ScopeId] <IPAddress> -EndRange <IPAddress> -StartRange <IPAddress> [-
ActivatePolicies <Boolean> ] [-AsJob] [-CimSession <CimSession[]> ] [-ComputerName <String> ] [-
Delay <UInt16> ] [-Description <String> ] [-LeaseDuration <TimeSpan> ] [-MaxBootpClients <UInt32>
] [-Name <String> ] [-NapEnable <Boolean> ] [-NapProfile <String> ] [-PassThru] [-State <String> ] [-
SuperscopeName <String> ] [-ThrottleLimit <Int32> ] [-Type <String> ] [-Confirm] [-WhatIf] [
<CommonParameters>]



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chuck

chuck

So the explanation implies that the answer is D. Is this correct?

Fuxi

Fuxi

It’s correct. Netmask of a DHCP-Scope can not be changed after creation –> Delete and re-create.

Chris R

Chris R

C is correct as you have to delete the scope and recreate in order to change the subnet mask. Not sure why the explanation only talks about an incorrect answer…

pikapoka

pikapoka

Because somehow the person who made up these questions doesn’t think that they are confusing enough and he/she is further trying to confuse us even more!
😉
Answer C