Your company has two offices. The offices are located in Seattle and Montreal.
The network contains an Active Directory domain named contoso.com. The domain contains two
DHCP servers named Server1 and Server2. Server1 is located in the Seattle office.
Server2 is located in the Montreal office. All servers run Windows Server 2012 R2.
You need to create a DHCP scope for video conferencing in the Montreal office.
The scope must be configured as shown in the following table.
Which Windows PowerShell cmdlet should you run?
A.
Add-DchpServerv4SuperScope
B.
Add-DchpServerv4MulticastScope
C.
Add-DHCPServerv4Policy
D.
Add-DchpServerv4Scope
Explanation:
Add-DhcpServerv4MulticastScope: Adds a multicast scope on the DHCP server.
https://technet.microsoft.com/en-us/library/cc736594(v=ws.10).aspx
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Where do we get the info thats a multicast video conference and not a unicast?
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Unicast would be everyone getting the same single feed- a presentation or some such.
Video conferencing would require multiple people getting multiple feeds except their own.
/Speculation
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Because the IP range lies entirely within the IPv4 multicast range.
https://en.wikipedia.org/wiki/Multicast_address
Local subnetwork[edit]
Addresses in the range of 224.0.0.0 to 224.0.0.255 are individually assigned by IANA and designated for multicasting on the local subnetwork only. For example, the Routing Information Protocol (RIPv2) uses 224.0.0.9, Open Shortest Path First (OSPF) uses 224.0.0.5 and 224.0.0.6, and Zeroconf mDNS uses 224.0.0.251. Routers must not forward these messages outside the subnet in which they originate.
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