Huawei H13-711-ENU HCIA-Big Data(Huawei Certified ICT Associate-Big Data) Online Training
Huawei H13-711-ENU Online Training
The questions for H13-711-ENU were last updated at Nov 23,2024.
- Exam Code: H13-711-ENU
- Exam Name: HCIA-Big Data(Huawei Certified ICT Associate-Big Data)
- Certification Provider: Huawei
- Latest update: Nov 23,2024
ZooKeeper nodes use ACL to control access policies. ACL can be applied to any znode node in the cluster.
- A . True
- B . False
The () interface in Flink is used for stream data processing, and the () interface is used for batch processing.
- A . Stream API, Batch API
- B . DataStream API, Data Batch API
- C . Data Batch API, DataStream API
- D . Batch API, Stream API
In the Spark SQL table, there are often many small files (the size is much smaller than the HDFS block size). In this case, Spark will start more Task to process these small files. When there is a Shuffle operation in the SQL logic, will greatly increase the number of hash buckets, which will seriously affect performance.
- A . True
- B . False
The following description of the Flink window, which is wrong? (Multiple choice)
- A . The scrolling windows do not overlap in time.
- B . The scrolling windows overlap in time.
- C . There is an overlap between the time points between the sliding windows.
- D . There is no overlap between the time point between the sliding windows.
The memory size allocated by YARN to the Container in the Hadoop system can be set by the parameter yarn.app.mapreduce.am.resource.mb.
- A . True
- B . False
Which of the following scenarios are not good for Flink components? (Multiple choice)
- A . Batch processing
- B . Iterative calculation
- C . Stream processing
- D . Data storage
Huawei has rich experience in big data solutions in many industries such as finance, public security, railway and government affairs.
- A . True
- B . False
The following statement about ZKFC, which is wrong?
- A . ZKFC (ZKFailoverController) is used as a client of the ZooKeeper cluster to monitor the status information of the NameNode.
- B . The ZKFC process needs to be deployed in the node of the NameNode and the Leader node of the ZooKeeper.
- C . Standby NameNode senses the status of the Active NameNode through ZooKeeper. Once the Active NameNode rock machine,
- D . Standby NameNode will perform the main operation.
- E . HDFS NameNode ZKFC is connected to ZooKeeper, and the host name and other information is saved to ZooKeeper.
Which application scenarios is HBase not suitable for?
- A . Require application scenarios with full ACID characteristics
- B . Massive data application scenarios
- C . High throughput application scenario
- D . Semi-structured data application scenario
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