In the space below, describe which technology--the OS or Middleware--is most responsible for each activity.

• To ensure clarity: There are only two choices: OS or Middleware. If you believe there is a joint responsibility, select the one (OS or Middleware) that is MOST responsible.

1. Creating a directory on a remote machine (5 points)
2. Creating a communication channel from a process on one machine to a process on another machine (5 points)
3. Creating a socket on a machine (5 points)
4. Detecting the failure of a socket on a machine (5 points)
5. Detecting the failure of a communication channel between two, or more, machines (5 points)
6. Trapping an interrupt (5 points)