The answer is a Mesh topology. This method connects every device to each other device in the network. A wired full-mesh topology is not as common as it is impractical and highly expensive. A partial mesh topology offers redundancy if one of the connections goes down and usually uses a connecting medium such as a router to eliminate cables and expensive PCI NIC's.
Pie chart I believe that is the right answer
Answer:
True
Explanation:
Ethereum uses Smart Contracts Blockchains and one of the programmers actually explained how it works at a DC Blockchain Summit.