Which communication facility is responsible for selecting the correct routing indicator for the comm facility serving the addressee?

• A. Originating
• B. Terminating
• C. Gateway
• D. Intermediary

Answer: (A)

Routing indicators are used to guide a message toward the recipient’s facility, and the one that decides which indicator to place is the originating communication facility. This is because the originator knows where the message is headed and the path to reach the addressee’s comm facility, so it selects the appropriate next-hop routing indicator to drive the route. The terminating facility is simply the endpoint that receives the message and doesn’t determine the route. Gateways connect different networks, and intermediary facilities forward along the path, but neither assigns the final routing indicator for the addressee’s facility. So the originating facility is responsible for selecting the correct routing indicator for the comm facility serving the addressee.