Question 1

Which of the following defines HOPPING operation correctly from a KSQL perspective?

Options :

A : Fixed-sized, (possibly) overlapping windows based on the record’s timestamps

B : fixed-sized, non-overlapping windows based on the record-s timestamps

C : Takes one record and produces zero, one, or more records. You can modify the record keys and values, including their types.

D : Sessions with a period of activity and gaps in between

Answer: A

Question 2

Which of the following snippet will achieve the goal of subscribing iphone, ipad and ipod topics simultaneously

Options :

A : consumer.subscribePattern(“topic.i*”)

B : Simultaneous subscription is not a possibility in Kafka

C : consumer.subscribe(Arrays.asList(“topic.iphone”, “topic.ipad”, "topic.ipod"));

D : consumer.subscribe(Arrays.asList(“topic.ipad”);

E : consumer.subscribe(Arrays.asList(“topic.iphone”);

F : consumer.subscribe(Arrays.asList(“topic.ipod”);

Answer: C

Question 3

If I want to send binary data through the REST proxy to topic 'test_binary', it needs to be base64 encoded. A consumer connecting directly into the Kafka topic

Options :

A : 'test_binary' will receive

B : binary data

C : avro data

D : json data

E : base64 encoded data, it will need to decode it

Answer: B

Question 4

Which of the following is not an Avro primitive type?

Options :

A : string

B : long

C : int

D : date

E : null

Answer: D

Question 5

True or False: ACLs is stored in Zookeeper

Options :

A : True

B : False

Answer: A

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