Which of the following communication types cannot be used wi - CompTIA-N10-009
Question
Which of the following communication types cannot be used with IPv6?
Answers
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correct
Explanation
Correct Answer: D. Broadcast
- IPv6 does not support broadcast communication. Instead of using broadcasts to communicate with all nodes on a network segment (as IPv4 does), IPv6 relies on multicast and anycast communication methods to achieve similar functionality more efficiently.
Why the other options are incorrect:
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Anycast:
- IPv6 supports anycast, where a packet is delivered to the nearest node (in terms of routing distance) among a group of nodes sharing the same anycast address.
- Example Use Case: Routing traffic to the closest data center in a distributed system.
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Unicast:
- IPv6 supports unicast, which is one-to-one communication. This is the primary communication type for addressing a specific node.
- Example Use Case: Communicating directly between two devices using their unique IPv6 addresses.
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Multicast:
- IPv6 supports multicast, which is one-to-many communication, allowing a node to send packets to multiple nodes in a group.
- Example Use Case: Streaming video to multiple devices.
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