1.SYN,ACK2.Layer 33.Use the ping 10.0.0.254 command4.Router R1 and R2 execute all six steps5. 1.MUA 2.SMTP 3.MTA 4.SMTP 5.MTA 6.MDA 7.POP 8.MUA6.Using Telnet to access a router7. 172.16.128.0.255.255.224.08.If a host does not respond to an ICMP echo request,the host is not functioning9. IP address:172.16.31.37 Subnet mask:255.255.255.224 Defaut gateway: 172.16.31.3510. Connection 1:- straight-through cable Connection 2:-crossover cable Connection 3: - straight-through cable11.Peer-to-peer network12. 1000 BASE-SX 1000 BASE-TX13.DNS14.It will forward the packet to the next hop address15.Source and desnation MAC number16. The computer is unable to communicate outside of the local network The address that is assigned to the computer represents private addressing The prefix of the computer address is /2717.London18. 10.0.128.0 to 10.10.192.25519.Network address:172.16.32.0 Host range:172.16.32.1-172.16.47.255 Broadcast address:172.16.47.25520. 10.0.130:8021.Use the tracer command at the host22.TCP/IP23. 192.168.88.128/27 manufacturing 192.168.88.160/28 sale 192.168.88.176/29 research 192.168.88.0/27 main 192.168.88.64/28 branch24.The defaut gateway is on a different subnet from the host25.The gateway addresses are broadcast address26.IP address:192.168.100.20; Subnet mask:255.255.255.240;Defaut getway:192.168.100.1727.Transport28.The subnet mask at the fa0/1 interface of the...