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NEW QUESTION 98
Which of the following are important roles of Spark? (Multiple choice)
- A. Nodemanager
- B. ResourceManager
- C. Driver
- D. DateNode
Answer: A,B,C
NEW QUESTION 99
Regarding the order of the YARN scheduler allocating resources, which one of the following descriptions is correct?
- A. Any machine -> same rack -> local resource
- B. Any machine -> local resource -> same rack
- C. Local resources -> same rack -> any machine
- D. Same rack -> any machine -> local resource
Answer: C
NEW QUESTION 100
Compared with MapReduce computing, Spark uses ____ resources to obtain ____ times the performance?
- A. 1/8, 3
- B. 1/10, 4
- C. 1/8, 4
- D. 1/10, 3
Answer: D
NEW QUESTION 101
Normally, Hive tables stored in text files will use carriage return as the row separator. In Huawei Fusioninsight Hive, you can specify the input and output format processing classes of the table data.
- A. True
- B. False
Answer: A
NEW QUESTION 102
When planning and deploying Fusionlnsight clusters, it is recommended to deploy _ management nodes, at least _ control nodes, and at least _ data nodes.
- A. 2, 3, 1
- B. 1, 3, 2
- C. 2, 3, 3
- D. 1, 2, 2
Answer: C
NEW QUESTION 103
In the MRS platform, which component does the Flume data flow not need to pass through in the node?
- A. Channel
- B. Topic
- C. Source
- D. Sink
Answer: B
NEW QUESTION 104
The description of the role of the standby NameNode in the HDFS system, which is correct? (Multiple choice)
- A. The standby NameNode has no memory requirements
- B. Hot standby of the primary NameNode
- C. Help the main NameNode to merge and edit logs to reduce the startup time of the main NameNode
- D. The standby NameNode should be deployed to the same node as the primary NameNode
Answer: B,C
NEW QUESTION 105
What are the performance bottlenecks of traditional data processing? (Multiple choice)
- A. High data storage cost
- B. Missing batch data processing
- C. Limited scalability
- D. Insufficient streaming data processing performance
Answer: A,C
NEW QUESTION 106
The emergence of HFS solves the need to store a large number of small files (below 10MB) in HDFS. At the same time, some mixed scenes of large files (above 10MB) should be stored
- A. True
- B. False
Answer: A
NEW QUESTION 107
Which of the following statement about the segment file in Kafka Logs is correct? (Multiple choice)
- A. The index file is stored sparsely, which can greatly reduce the space occupied by the index file metadata
- B. Sparse storage, that is, the original complete data, only select multiple data at intervals for storage
- C. Messages can be quickly located by indexing information
- D. All index metadata is mapped to memory, which can avoid the index data IO disk operation of sementfile
Answer: A,B,C,D
NEW QUESTION 108
The () interface in Flink is used for stream data processing, and the () interface is used for batch processing
- A. Data Stream APl, DataSet APl
- B. Stream API, Batch API
- C. DataBatch APl, DataStreamAPl
- D. BatchAPl, Stream APl
Answer: A
NEW QUESTION 109
"Group by" in Hive refers to dividing each data set into several small data sets through certain rules, and then grouping data for several small data sets.
- A. True
- B. False
Answer: A
NEW QUESTION 110
Which parameters need to be configured to enable the log aggregation function of the Yam component in the Hadoop platform?
- A. yarn.nodemanager.log-dirs
- B. yarn.acl.enable
- C. yarn.nodemanager.local-dirs
- D. yarn.log-aggregation-enable
Answer: D
NEW QUESTION 111
Which of the following are the key features of the HDFS architecture? (Multiple choice)
- A. Metadata persistence mechanism
- B. HA high reliability
- C. Multi-mode access mechanism
- D. Robust mechanism
Answer: A,B,C,D
NEW QUESTION 112
Which of the following are actual application scenarios of Kafka? (Multiple choice)
- A. Resource management
- B. Log collection
- C. Aggregate statistical system operating data
- D. Website activity tracking
Answer: B,C,D
NEW QUESTION 113
Kafka, as a distributed messaging system, supports online and offline message processing, and provides javaAPI for the docking of other components. In the Fusioninsight solution, Kafka belongs to the Fusionlnsight HD module.
- A. True
- B. False
Answer: A
NEW QUESTION 114
Which is not Flume's channel type?
- A. File Channel
- B. Memory Channel
- C. HDFS Channel
- D. JDBC Channel
Answer: C
NEW QUESTION 115
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H13-711_V3.0-ENU exam questions from PracticeMaterial dumps: https://www.practicematerial.com/H13-711_V3.0-ENU-exam-materials.html (500 Q&As)
