Question 221
Which of the following descriptions of Kafka partition offset is incorrect?
Question 222
As an authentication server center, Kerberos1 can provide unified authentication services to all services in the cluster and secondary development applications of customers.
Question 223
The index data of ElasticSearch can only be stored in the HDFS system.
Question 224
In the Mapreduce process, by default, a shard is a block and a mapTask.
Question 225
In Streaming, one accurate message reliability level is achieved through the ACK mechanism.