Question 1

Which of the following is true regarding thread safety in the Java Kafka Clients?

Options :

A : One Producer can be safely used in multiple threads

B : One Consumer can be safely used in multiple threads

C : One Consumer needs to run in one thread

D : One Producer needs to be run in one thread

Answer: A,C

Question 2

Which of the following best describes Kafka Connect

Options :

A : Kafka Connect is a framework for streaming data between Apache Kafka and other data systems

B : Kafka Connect is a centralized service for maintaining configuration information, naming, providing distributed synchronization, and providing group services.

C : Kafka Connect provides a RESTful interface to a Kafka cluster, making it easy to produce and consume messages, view the state of the cluster, and perform administrative actions without using the native Kafka protocol or clients

D : Kafka Connect provides a serving layer for your metadata. It provides a RESTful interface for storing and retrieving Avro schemas. It stores a versioned history of all schemas, provides multiple compatibility settings and allows evolution of schemas according to the configured compatibility settings and expanded Avro support.

Answer: A

Question 3

Which of the following is the correct command for creating a topic foo with 3 partitions and with a replication factor of 3 ?

Options :

A : bin/kafka-topics-create.sh --zookeeper localhost:9092 --replication-factor 3 --partitions 3 --topic foo

B : bin/kafka-topics.sh --create --bootstrap-server localhost:9092 --replication-factor 3 --partitions 3 --topic foo

C : bin/kafka-topics.sh --create --broker localhost:9092 --replication-factor 3 --partitions 3 --topic foo

D : bin/kafka-topics-create.sh --zookeeper localhost:2181 --num-replicas 3 --partitions 3 --topic foo

Answer: B

Question 4

What information isn't stored inside of Zookeeper? (select two)

Options :

A : Schema Registry schemas

B : Consumer offset

C : ACL inforomation

D : Controller registration

E : Broker registration info

Answer: B

Question 5

If I want to send binary data through the REST proxy, it needs to be base64 encoded. Which component needs to encode the binary data into base64?

Options :

A : The Producer

B : The Kafka Broker

C : Zookeeper

D : The REST Proxy

Answer: A

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