A.SYNC_SENT- ->SYNC_RCVD-->ESTABLISHED-->FIN_WAIT1-->FIN_WAIT2

B.SYNC_SENT- ->ESTABLISHED-->FIN_WAIT1-->FIN_WAIT2-->CLOSE_WAIT

C.SYNC_SENT- ->ESTABLISHED-->FIN_WAIT1-->FIN_WAIT2-->TIME_WAIT

D.SYNC_RCVD- ->ESTABLISHED-->CLOSE_WAIT-->TIME_WAIT-->LAST_ACK

A.TCP

B.IPX/SPX

C.AppleTalk

D.UDP

A.any device internet reachable

B.government website

C.offline servers

D.servers in VPC only configured with private network

E.public DNS service

A.Delete administrator role and related accounts

B.Control Panel->windows update->Stop

C.Create new firewall rule to stop service

D.Control Panel->Management Tool->Stop the running service

A.Application vulnerabilities

B.Physical servers water proof

C.ECS network configuration

D.Data security inside ECS