Question 1
What is the correct HDFS DataNode statement in Huawei Fusioninsight HD system?
Correct Answer:
B. periodically sends the block of this node to the NameNode
Free Huawei HCIA Big Data V2.0 H13-711 Exam Questions
Question 2
In Fusionlnsight HD system, regarding the storage deployment strategy of Solr index, is the following statement correct? (Multiple choices)
Correct Answer:
A. Utilize the features of HDFS data storage reliability and easy expansion to preferentially select indexes for storage in HDFS.; C. When the real-time index entry speed is high, you can choose to store the index on the local disk.; D. When primed data is stored on HDFS, SolrServer instance and DataNode instance are deployed on the same node.
Question 3
During the Fusioninsight HD installation process, which function cannot be performed by performing preinstall?
Correct Answer:
B. Install Manager
Question 4
In Spark on YARN mode, nodes without NodeManager cannot start executor til.
Correct Answer:
A. True
Question 5
In the design of the FusionlnsightHDl group network, there is a rack that can linearly expand according to business needs.
Correct Answer:
B. extension box
Question 6
Which of the following operations can the Fusioninsight HD system audit log record?
Correct Answer:
D. Query history monitoring
Question 7
RDDs can be generated from Hadoop-compatible file systems. After generation, RDD data can be partially updated by calling RDD operators.
Correct Answer:
B. wrong
Question 8
In FusionlnsightHD system, which disk plans do cluster nodes need to consider? (Multiple choices)
Correct Answer:
A. Host OS disk planning; B. Control Node Metadata Disk Plan; C. Management node metadata disk planning; D. Data node data disk planning
Question 9
What kind of resource management does YARN support in Hadoop system? "Multiple Choices"
Correct Answer:
A. Memory; B. CPU
Question 10
In the Fusionlnsight HD system, if you find that the Solr service is unavailable, what aspects can you analyze to locate the problem? (Multiple choices)
Correct Answer:
A. Check if the ZooKeeper it depends on is correct; B. Check whether the HDFS service is normal; C. Log in to the node where SolrServerAdmin is located and confirm whether the node is connected to another SolrSen / erAdmin instance node network; D. Log in to the Ftisionlnsight Manager interface, download related logs during Solr service unavailability, and perform further positioning
Question 11
How many HDFS blocks are saved by default in a Fusioninsight HD system?
Correct Answer:
A. 3 copies
Question 12
In Fusionlnsight HD, what is wrong about HBase's BloomFilter feature?
Correct Answer:
A. Can be used to filter data (correct case)
B can be used to optimize random read performance
C will increase storage consumption
Question 13
Which of the following designs are considered in the planning process of the big data business consulting plan? (Multiple choices)
Correct Answer:
A. Big data business model design; B. Are business scenarios all planning?; C. Design requirements for typical scenarios; D. Scene decomposition and karma design
Question 14
The minimum processing unit of HBase in Fusioninsight HD system is Region. Where is the routing information between User Region and RegionSeiver stored?
Correct Answer:
D. meta table
Question 15
A cluster in the Fusionlnsight HD system can manage multiple tasks, each service can manage multiple roles, and each role can manage only one instance.
Correct Answer:
B. False