Distributed Computing Senior
Explain the concept of vector clocks in distributed systems and how they help in determining causality among events.
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Vector clocks ensure real-time data processing.
Vector clocks are used for data backup in distributed systems.
Vector clocks are used to encrypt data in distributed systems.
Vector clocks in distributed systems help determine the order of events and causality among them.
Explain the concept of distributed pub-sub (publish-subscribe) messaging systems and their use in event-driven architectures.
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Distributed pub-sub systems are used for real-time data encryption.
Distributed pub-sub systems allow for asynchronous communication between publishers and subscribers in event-driven architectures.
Distributed pub-sub systems store data on a single server.
Distributed pub-sub systems ensure data is backed up in real-time.
What is the role of ZooKeeper in distributed systems?
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ZooKeeper is a data encryption tool for distributed systems.
ZooKeeper is a load balancing tool for distributed systems.
ZooKeeper is used for coordinating distributed applications through services like configuration management and synchronization.
ZooKeeper is only used for storing distributed databases.
What is the purpose of a distributed task queue in distributed systems?
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A distributed task queue manages and distributes tasks among multiple servers for efficient processing.
A distributed task queue ensures data is backed up during processing.
A distributed task queue encrypts data before processing.
A distributed task queue is used only for data storage.
What is the purpose of a distributed lock manager (DLM) in distributed systems?
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A distributed lock manager (DLM) ensures that distributed systems can safely manage shared resources.
A distributed lock manager (DLM) is used to encrypt data across nodes.
A distributed lock manager (DLM) stores backup data for recovery.
A distributed lock manager (DLM) ensures that all data is processed in real-time.
Explain the concept of distributed scheduling.
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Distributed scheduling ensures data is backed up before processing.
Distributed scheduling is only used in single-node systems.
Distributed scheduling coordinates the execution of tasks across multiple computing nodes.
Distributed scheduling involves encrypting data before execution.