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Questions and Answers
What is an example of a communication model that uses indirect communication?
What is an example of a communication model that uses indirect communication?
- Remote Procedure Call (RPC)
- Direct Messaging
- Group Communication (correct)
- Point-to-Point Communication
Which type of middleware disseminates events to multiple recipients through an intermediary?
Which type of middleware disseminates events to multiple recipients through an intermediary?
- Message Queue Systems
- Publish-Subscribe Systems (correct)
- Distributed Shared Memory Systems
- Remote Procedure Call (RPC)
What does indirect communication in distributed systems aim to avoid?
What does indirect communication in distributed systems aim to avoid?
- Direct coupling (correct)
- Time synchronization
- Parallel processing
- Security vulnerabilities
In which type of system are messages directed to queues, from which recipients retrieve them?
In which type of system are messages directed to queues, from which recipients retrieve them?
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What is a characteristic of indirect communication in distributed systems?
What is a characteristic of indirect communication in distributed systems?
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Study Notes
Communication Model:
- Publish-Subscribe is a communication model that uses indirect communication.
Middleware Type:
- Message Queues are a type of middleware that disseminates events to multiple recipients through an intermediary.
Indirect Communication Goal:
- Avoids direct dependency between senders and receivers in distributed systems.
Message Queues:
- Messages are directed to queues in a Message Queue system, from which recipients retrieve them.
Indirect Communication:
- A characteristic of indirect communication in distributed systems is asynchronous message exchange, meaning messages are sent and received without requiring immediate responses.
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