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You have a DHCP server named Server1.
Server1 has one network adapter. Server1 is located on a subnet named Subnet1.
Server1 has scope named Scope1. Scope1 contains IP addresses for the 192.168.1.0/24 network.
Your company is migrating the IP addresses on Subnet1 to use a network ID of 10.10.0.0/16.
On Server1 you create a scope named Scope2.
Scope2 contains IP addresses for the 10.10.0.0/16 network.
You need to ensure that clients on Subnet1 can receive IP addresses from either scope.
What should you create on Server1?

A. A multicast scope

B. A scope

C. A superscope

D. A split-scope

Explanation:
A superscope is an administrative feature of Dynamic Host Configuration Protocol (DHCP) servers running Windows Server 2008 that you can create and manage
by using the DHCP Microsoft Management Console (MMC) snap-in.
By using a superscope, you can group multiple scopes as a single administrative entity.
Configuring a DHCP Superscope
A superscope is an administrative feature of Dynamic Host Configuration Protocol (DHCP) servers running Windows Server 2008 that you can create and
manage by using the DHCP Microsoft Management Console (MMC) snap-in. By using a superscope, you can group multiple scopes as a single administrative
entity. With this feature, a DHCP server can:
– Support DHCP clients on a single physical network segment (such as a single Ethernet LAN segment) where multiple logical IP networks are used. When
more than one logical IP network is used on each physical subnet or network, such configurations are often called multinets.
– Support remote DHCP clients located on the far side of DHCP and BOOTP relay agents (where the network on the far side of the relay agent uses
multinets).
Incorrect Answers:
A: Multicasting is the sending of network traffic to a group of endpoints destination hosts. Only those members in the group of endpoints hosts that are listening for
the multicast traffic (the multicast group) process the multicast traffic
B: A scope is an administrative grouping of IP addresses for computers on a subnet that use the Dynamic Host Configuration Protocol (DHCP) service. The
administrator first creates a scope for each physical subnet and then uses the scope to define the parameters used by clients.

References:
https://technet.microsoft.com/en-us/library/dd759152.aspx
https://technet.microsoft.com/en-us/library/dd759218.aspx
https://technet.microsoft.com/en-us/library/dd759168.aspx

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