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Huawei HCIA-Big Data V2.0 Sample Questions:
1. Which option in the Spark component is not a transformation operation?
A) distinct
B) join
C) reduce
D) reduceByKey
2. In Fusionlnsight HD, what is wrong about HBase's BloomFilter feature?
A) Can be used to filter data (correct case)
B can be used to optimize random read performance
C will increase storage consumption
B) Can accurately determine that a piece of data does not exist
3. Which parameter needs to be configured to enable the log aggregation function of YARN components in the Hadoop platform?
A) yarn.nodemanager_local-dirs
B) yarn / log-aggregation-enable
C) yam.acl.enable
D) yarn.nodenianagerJog-clirs
4. A user needs to build a 350-node Fusioninsight HD cluster. Which plan is the best?
A) Management nodes and data nodes are deployed together, control nodes are deployed independently, and layer 2 networking
B) Management nodes, control nodes, and data nodes are deployed together in a two-tier network
C) management node and control node are deployed together, data nodes are deployed independently, and layer 2 networking
D) 1 management node, control node, and data node are all deployed independently, with three-layer networking (correct plan)
5. Loader's job execution fails, then the data imported during the running of this job will not be deleted and must be manually deleted.
A) False
B) True
Solutions:
| Question # 1 Answer: C | Question # 2 Answer: A | Question # 3 Answer: B | Question # 4 Answer: D | Question # 5 Answer: A |
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