Acknowledgment modes (acks=0, 1, all) in Kafka - Interactive Code Practice

Practice - 5 Tasks

1fill in blank

easy

Complete the code to set the acknowledgment mode to no acknowledgments (acks=0).

Kafka

props.put("acks", "[1]");

Drag options to blanks, or click blank then click option'

A0

B1

Call

D-1

Attempts:

3 left

💡 Hint

Common Mistakes

Using '1' or 'all' instead of '0' for no acknowledgments.

Setting acks to 0 means the producer does not wait for any acknowledgment from the broker.

2fill in blank

medium

Complete the code to set the acknowledgment mode to wait for leader acknowledgment (acks=1).

Kafka

props.put("acks", "[1]");

Drag options to blanks, or click blank then click option'

A1

B0

Call

D-1

Attempts:

3 left

💡 Hint

Common Mistakes

Confusing '1' with 'all' or '0'.

Setting acks to 1 means the producer waits for the leader broker to acknowledge the message.

3fill in blank

hard

Fix the error in the code to set acknowledgment mode to wait for all replicas (acks=all).

Kafka

props.put("acks", "[1]");

Drag options to blanks, or click blank then click option'

A1

B0

Ctrue

Dall

Attempts:

3 left

💡 Hint

Common Mistakes

Using boolean or numeric values instead of the string 'all'.

The correct value to wait for all replicas is the string "all".

4fill in blank

hard

Fill both blanks to create a producer configuration with acks set to wait for leader and retries set to 3.

Kafka

props.put("acks", "[1]");
props.put("retries", [2]);

Drag options to blanks, or click blank then click option'

A1

B0

C3

Dall

Attempts:

3 left

💡 Hint

Common Mistakes

Mixing up acknowledgment modes or using string instead of integer for retries.

Setting acks to 1 waits for leader acknowledgment, and retries to 3 allows three retry attempts.

5fill in blank

hard

Fill all three blanks to configure a producer with acks set to all, retries set to 5, and enable idempotence.

Kafka

props.put("acks", "[1]");
props.put("retries", [2]);
props.put("enable.idempotence", [3]);

Drag options to blanks, or click blank then click option'

Atrue

Bfalse

C5

Dall

Attempts:

3 left

💡 Hint

Common Mistakes

Using incorrect types or values for these settings.

Setting acks to all waits for all replicas, retries to 5 allows five retries, and enable.idempotence to true ensures exactly-once delivery.