Multiple choice

With _______ message exchange(s), the sender is not blocked when there is no outstanding RECEIVE.

  1. synchronous

  2. asynchronous

  3. both (1) and (2)

  4. none of these

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Asynchronous message passing allows the sender to continue execution immediately after sending, without blocking for a corresponding receive operation. The system typically buffers messages until the receiver retrieves them. Synchronous messaging would block the sender.