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The correct answer is B.

OBJ-1.4: Broadcast only works with IPv4. Broadcast communication has one sender, but it sends the traffic to every device on the network. Anycast communications are sent to the nearest receiver in a group of receivers with the same IP. Anycast only works with IPv6. Multicasting is a technique used for one-to-many communication over an IP network. In this example, the central location sends a signal to subscribed devices. It reduces bandwidth as the source only sends the signal once, which is then received by multiple hosts simultaneously. Multicast can be used with both IPv4 and IPv6. Unicast communication only has one sender and one receiver. Unicast works with IPv4 or IPv6.

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