Question: 1
Which of the following programming languages does Spark implement?
A. C
B. C + ten
C. JAVA
D. Scale
Answer: D
Question: 2
Fusionlnsight Manager's service management operations. What is wrong with the following statement?
A. The service can be restarted
B. Services can be added and uninstalled
C. Can be set to hide or show infrequently used services
D. You can view the current status of the service
Answer: C
Question: 3
Fusioninsight HD cluster upgrade, is the following description correct? (Multiple choices)
A. Do not manually switch the active and standby OMS during the upgrade process
B. The root account password of all hosts in the cluster must be consistent
C. Keep the network open and avoid abnormal upgrades due to network problems
Answer: A,B,C
Question: 4
What is the role of the Connector when the Fusionlnsight HD Loader creates a job?
A. Determine what conversion steps are in place
B. Provide optimization parameters to improve data import and export performance
C. How the configuration job connects to an external data source
D. How the configuration job connects to internal data sources
Answer: C
Question: 5
Which of the following HDFS commands can be used to check the integrity of a data block?
A. hdfs fsck / (correct answer>
B. hdfs fsck / -delete
C. hdfs dfsadmin -report
D. hdfs balancer-threshold 1
Answer: A
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