Java Consumer

Java Consumer

Assessment

Interactive Video

Information Technology (IT), Architecture

University

Practice Problem

Hard

Created by

Wayground Content

FREE Resource

The video tutorial guides viewers through creating a Java class for a Kafka consumer. It covers setting up a logger, configuring consumer properties, creating a consumer, subscribing to topics, and polling data. The tutorial explains key concepts like deserialization, consumer configuration, and processing records from Kafka topics.

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10 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the first step in setting up a new Java class for a Kafka consumer?

Create a new Java class

Set up a consumer config

Create a logger

Initialize properties

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which library is used for logging in the Consumer Demo?

java.util.logging

org.slf4j

log4j

java.logging

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the purpose of a deserializer in Kafka consumer configuration?

To configure bootstrap servers

To manage consumer offsets

To convert bytes into strings

To serialize strings into bytes

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which configuration option determines where a consumer starts reading messages in a topic?

key.deserializer

bootstrap.servers

auto.offset.reset

group.id

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the default behavior of the 'auto.offset.reset' configuration if not set?

Read from a random offset

Throw an error

Read from the latest message

Read from the earliest message

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How do you subscribe a Kafka consumer to a single topic?

Using consumer.poll() with a timeout

Using consumer.assign() with a partition

Using consumer.subscribe() with a pattern

Using consumer.subscribe() with a collection

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the recommended method to handle deprecated poll calls in Kafka 2.0?

Ignore the deprecation warning

Use a different API

Use a duration object

Use a longer timeout

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