Answer those questions by using the diagram below, Thanks

1) Networks are traditionally classified into either Client/Server or Peer-to-Peer depending on the role played by each computer in the network. Define Client/Server and Peer-to-peer explain their major difference. (2) Explain the difference between HUB and SWITCH. Application To allow access to network resources To translate, encrypt, and compress data Presentation Session To establish, manage, and terminate sessions To provide reliable process-to- process message delivery and error recovery Transport Network To move packets from source to destination; to provide internetworking To organize bits into frames; to provide hop-to-hop delivery Data link Physical To transmit bits over a medium; to provide mechanical and electrical specifications