A.2

B.Not sure

C.1

D.3

A./srv/BigData/zookeeper

B./srv/BigData/dbdata-om

C./srv/BigData/hadoop/data5

D./srv/BigData

E./srv/BigData/jumalnode

A.None of the above is correct

B.Kafka single cluster data recovery

C.Kafka single cluster data backup

D.Kafka cluster data synchronization solution

A.Follower synchronizes data from Leader by pulling

B.Both consumers and producers read and write data from Leader, and can also directly interact with Follower

C.The master copy is called Leader, and the slave copy is called Follower

D.Replicas are based on partitions. Each partition has its own master copy and slave copy

A.The execution logic of Streamingl is to start immediately, and then recycle after running.

B.The throughput of SparkStreaming is about 2-5 times that of Streaming

C.SparkStreaming:It is a micro-batch framework, and events need to be processed when they are exhausted to a certain amount

D.SparkStreaming event processing latency is higher than Streaming