NO.237 When the Spark application is running, what is the basis for stage division?

NO.238 Flume supports cascading multiple Flume, and at the same time, the cascade node supports old data replication.

NO.239 Fusioninsight tool is a set of health detection tools provided for technical support engineers and maintenance engineers. It can check the health status of cluster-related nodes and services, discover potential problems in the cluster in advance, and generate health check reports. It is convenient for technical support engineers and maintenance engineers to quickly understand the health status of the system.

NO.240 The figure below shows the data transmission architecture of flume. What is the component at the “?” in the figure?

NO.241 F1ink in( )interface for streaming data processing,( )interface for batch processing?

NO.242 Which of the following commands deletes files?

NO.243 Which of the following extensions belong to ElasticSearch?

NO.244 The reliability of flume’s data transmission means that in the process of data transmission, flume can automatically switch to another route to continue transmission when the next-hop flume node fails or the data is received abnormally.

NO.245 When using the configuration planning tool to plan the Fusioninsight HD V100R002C50 cluster, you can use the configuration planning tool of the V100R2002C60 version to plan.

NO.246 This command in Hive “ALTER TABLEemployeelADDcolumns(columnlstring);”What does it mean?

NO.247 If you want to add 1 to the digital value stored in the Key, which command should be used?

NO.248 Which of the following options belong to broadly dependent? (Multiple choice)

NO.249 In the Fusioninsight HD system, if a Loader node in the cluster is abnormal and other services are not abnormal, the normal use of Loader service functions will not be affected.

NO.250 Which of the following functions can the Shell1 script of Loader achieve?

NO.251 In the Zookeeper service model, the Leader node exists in the active/standby mode, and other nodes belong to the Follower node.

NO.252 Fusioninsight Hadoop:In the cluster, query through df-hT on a node. The partitions you see include the following: /var/log/srv/BigData/srv/BigData/hadoop/data5/srv/BigData/solr/solrserver3/What is the optimal RAID level planning combination for the disks corresponding to the srv/BigData/dbdadom partitions?