Q. Apache Storm added open source, stream data processing to _________ Data Platform.

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Q. How many types of nodes are present in Storm cluster?

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Q. __________ node distributes code across the cluster.

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Q. ____________ communicates with Nimbus through Zookeeper, starts and stops workers according to signals from Nimbus.

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Q. Kafka is comparable to traditional messaging systems such as _____________

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Q. Many people use Kafka as a replacement for a ___________ solution.

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Q. _______________ is a style of application design where state changes are logged as a time-ordered sequence of records.

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Q. Kafka uses __________ so you need to first start a ZooKeeper server if you don’t already have one.

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Q. __________ is the node responsible for all reads and writes for the given partition.

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Q. __________ is the subset of the replicas list that is currently alive and caught-up to the leader.

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Q. Kafka uses key-value pairs in the ____________ file format for configuration.

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Q. __________ is the amount of time to keep a log segment before it is deleted.

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Q. __________ provides the functionality of a messaging system.

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Q. Kafka maintains feeds of messages in categories called __________

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Q. Kafka is run as a cluster comprised of one or more servers each of which is called __________

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Q. Communication between the clients and the servers is done with a simple, high-performance, language agnostic _________ protocol.

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Q. The only metadata retained on a per-consumer basis is the position of the consumer in the log, called __________

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Q. Each kafka partition has one server which acts as the _________

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Q. _________ has stronger ordering guarantees than a traditional messaging system.

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Q. Kafka only provides a _________ order over messages within a partition.

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