How well do you know Apache Kafka on HDInsight Powered by www.krishnacloud.school

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* 1. Does HDInsight allows you to change the number of worker nodes after cluster creation.

Yes

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* 2. If you use Managed Disk and attach it to Kafka Node. What is the maximum number disks you can add to a Kafka Node

16 Disks of 1 TB each.

1 disk of 1 TB.

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* 3. When do you need to rebalance partitions

When a new topic or partition is created

When the cluster gets created

When you run update the offset

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* 4. Where will you run the rebalance partition tool

On the Kafka broker nodes

On the Kafka Head nodes

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* 5. If your region only has two fault domains what will be the replication factor that should be configured to spread the replicas across the two fault domains.

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* 6. If a Azure region that contains three fault domains what should be replication factor.

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* 7. If you need to replicate Apache Kafka topics with Kafka on HDInsight between two Kafka deployment what tool will you use.

MirrorCreator

MirrorMaker

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* 8. Does HDInsight support forced tunneling to the on-premise networks.

Yes

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* 9. Does Azure HDI-Kafka require Zookeeper

Yes

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* 10. Identity the key components of Kafka

Topic

Producer

Brokers

Subscriber

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* 11. Where does Kafka maintains feeds of messages

Topics

Customer Groups

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* 12. Each Kafka partition has one server which act as a

Leader

Broker

Consumer Group

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* 13. What is the role of replication in Kafka

To ensure published message is not lost due to node failure.

To resend messages.

To save messages.

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* 14. How servers are called in Kafka.

Subscriber

Server

Zookeeper

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* 15. Which amongst the following is used to communicate between two nodes.

Broker

Zookeeper

Head Node