最新的Confluent CCAAK免費考試真題

問題1

How can authentication for both internal component traffic and external client traffic be accomplished?

A. Configure LoadBalancer.

B. Configure multiple listeners on the broker.

C. Configure multiple brokers.

D. Configure multiple security protocols on the same listener.

正確答案: B

說明：（僅 Fast2test 成員可見）

問題2

A developer is working for a company with internal best practices that dictate that there is no single point of failure for all data stored.
What is the best approach to make sure the developer is complying with this best practice when creating Kafka topics?

A. Make sure the topics are created with linger.ms=0 so data is written immediately and not held in batch.

B. Use the parameter --partitions=3 when creating the topic.

C. Set 'min.insync.replicas' to 1.

D. Set the topic replication factor to 3.

正確答案: D

說明：（僅 Fast2test 成員可見）

問題3

You have a Kafka cluster with topics t1 and t2. In the output below, topic t2 shows Partition 1 with a leader "-1".
What is the most likely reason for this?
...
$ kafka-topics --zookeeper localhost:2181 --describe --topic t1
Topic:t1 PartitionCount 1 ReplicationFactor 1 Configs:
Topic: t1 Partition: 0 Leader: 0 Replicas: 0 Isr: 0
$ kafka-topics --zookeeper localhost:2181 --describe --topic t2
Topic:t2 PartitionCount 2 ReplicationFactor 1 Configs:
Topic: t2 Partition: 0 Leader: 0 Replicas: 0 Isr: 0
Topic: t2 Partition: 1 Leader: -1 Replicas: 1 Isr:

A. Broker 1 failed.

B. Leader shows "-1" while the log cleaner thread runs on Broker 1.

C. Broker 1 has another partition clashing with the same name.

D. Compression has been enabled on Broker 1.

正確答案: A

說明：（僅 Fast2test 成員可見）

問題4

The Consumer property 'auto offset reset' determines what to do if there is no valid offset for a Consumer Group.
Which scenario is an example of a valid offset and therefore the 'auto.offset.reset' does NOT apply?

A. When an offset points to a message that has been removed by compaction but is still within the current partition.offset range.

B. The Consumer offset is less than the smallest offset in the partition (log start offset).

C. The Consumer offset is greater than the last offset in the partition (log end offset).

D. The Consumer Group started for the first time.

正確答案: A

說明：（僅 Fast2test 成員可見）

問題5

You have an existing topic t1 that you want to delete because there are no more producers writing to it or consumers reading from it.
What is the recommended way to delete the topic?

A. The consumer should send a message with a 'null' key.

B. If topic deletion is enabled on the brokers, delete the topic using Kafka command line tools.

C. Delete the offsets for that topic from the consumer offsets topic.

D. Delete the log files and their corresponding index files from the leader broker.

正確答案: B

說明：（僅 Fast2test 成員可見）

問題6

If the Controller detects the failure of a broker that was the leader for some partitions, which actions will be taken? (Choose two.)

A. The Controller persists the new leader and ISR list to ZooKeeper.

B. The Controller waits for a new leader to be nominated by ZooKeeper.

C. The Controller sends the new leader and ISR list changes to all brokers.

D. The Controller sends the new leader and ISR list changes to all producers and consumers.

正確答案: A,C

說明：（僅 Fast2test 成員可見）

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