Messaging & Queues · question
Q.02 of 38
Explain the difference between synchronous and asynchronous messaging.
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Re-explain
Synchronous messaging:
- Sender waits for a response before continuing
- Blocking operation
- Direct communication (like HTTP request/response)
- Example: REST API calls, gRPC
Asynchronous messaging:
- Sender doesn't wait for a response
- Non-blocking operation
- Messages are typically queued
- Example: Message queues, event streams
# Synchronous
response = api_client.get_user(user_id) # Blocks until response
process_user(response)
# Asynchronous
queue.publish("user_requested", {"user_id": user_id}) # Returns immediately
# Consumer processes this later
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