Huawei H13-711_V3.0-ENU Real Exam Questions and Answers FREE
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NEW QUESTION 41
In the flume architecture,a Source can connect to multiple channels.
- A. False
- B. True
Answer: B
NEW QUESTION 42
YarnWhen doing resource scheduling, maptaak and reduceTask are run in( )middle.
Answer:
Explanation:
Container
NEW QUESTION 43
As shown in the figure, which of the following options are wide dependencies
- A. union D&E->F
- B. group by A->B
- C. join B&F->G
- D. map:C->D
Answer: B,C
NEW QUESTION 44
Similar to Spark Streaming, Flink is an event-driven real-time streaming system
- A. True
- B. False
Answer: B
NEW QUESTION 45
If the physical memory utilization of some Containers exceeds the configured memory threshold, but the total memory utilization of all Containers does not exceed the set NodeManager memory threshold, then the Containers with excessive memory usage can still run continuously.
- A. False
- B. True
Answer: B
NEW QUESTION 46
Which of the following statements about segment file in Kafka Logs is correct?
- A. Sparse storage, that is, to store the original complete data only at intervals
- B. The index file is sparsely stored, which can greatly reduce the space occupied by the metadata of the index file
- C. Message can be quickly located through index information
- D. Mapping all index metadata to memory can avoid index data IO disk operations of segmentfile
Answer: A,B,C,D
NEW QUESTION 47
Which two roles are responsible for the active and standby status management of HDFS NameNode nodes and the merging of metadata files?
- A. Primary NameNode and JournalNode
- B. Primary NameNode and Standby NameNode
- C. ZKFC and standby NameNode
- D. ZKFC and the main NameNode
Answer: C
NEW QUESTION 48
Which statement about the DataNodel of HDFS in Huawei Fusioninsight HD system is correct?
- A. Blocks on a DataNode. can be the same
- B. Periodically send the block-related information of this node to the NameNode
- C. Blocks stored in different DataNodes must be different
- D. Does not check the validity of the data
Answer: B
NEW QUESTION 49
Which of the following statements about the interaction between F1ink and other components is correct?
- A. The running of Flink tasks relies on YARN for resource scheduling and management
- B. Flink reads and writes data in HDFS file system
- C. The implementation of Flink's checkpoint relies on Zookeeper
- D. Flink can send received components to Kafka
Answer: A,B,C,D
NEW QUESTION 50
Which of the following contents can be viewed in the Loader historical job record?
- A. Job start/run time
- B. job status
- C. dirty data link
- D. Error lines/number of files
Answer: A,B,C,D
NEW QUESTION 51
What is the meaning of this command "ALTER TABLEemployee1ADDcolumns (columnlstring);" in Hive?
- A. Modify the file format
- B. Delete table
- C. Add columns
- D. Create a table
Answer: C
NEW QUESTION 52
Which of the following descriptions about the deployment of big data components on Kunpeng and X86 servers is correct?
- A. Realize the autonomous control of some equipment
- B. Supports mixed deployment of Kunpeng servers and ordinary X86 servers in a single cluster
- C. Single component (for example: HDFS) supports mixed deployment of Kunpeng server and X86 server
- D. No shortcomings in performance
Answer: A,C
NEW QUESTION 53
Which of the following descriptions of the cloud search service CSS is correct? (Multiple choice)
- A. TB-level data retrieval is returned in seconds
- B. Expansion of nodes and disk services will not be interrupted, and the thesaurus will be updated without interruption
- C. Compatible with Elasticsearch APIs
- D. Does not support the fusion search of text such as sound
Answer: A,B,C
NEW QUESTION 54
Map Reducein MaThe combine in stage p is a pre-grouping process and is optional.
- A. TRUE
- B. FALSE
Answer: B
NEW QUESTION 55
Generated when RDDs have width and narrow dependencies ( ), which reduces cluster performance.
- A. shuffle
Answer: A
NEW QUESTION 56
Which of the supervisor descriptions of Fusioninsight HD Streaming is correct?
- A. Supervisor is responsible for resource allocation and task scheduling
- B. Supervisor is a component that receives data in Topology and then performs processing
- C. Supervisor is a process that runs specific processing logic
- D. Supervisort is responsible for accepting tasks assigned by Nimbus, starting and stopping Worker processes that belong to its own management
Answer: D
NEW QUESTION 57
Which of the following statement about the segment file in Kafka Logs is correct? (Multiple choice)
- A. Messages can be quickly located by indexing information
- B. The index file is stored sparsely, which can greatly reduce the space occupied by the index file metadata
- C. All index metadata is mapped to memory, which can avoid the index data IO disk operation of sementfile
- D. Sparse storage, that is, the original complete data, only select multiple data at intervals for storage
Answer: A,B,C,D
NEW QUESTION 58
Which of the following options belong to the advantages of HUAWEI CLOUD MRS?
- A. High reliability
- B. Extensibility
- C. high performance
- D. Ease of use
Answer: A,B,C,D
NEW QUESTION 59
Which of the following descriptions are correct about Fusionlnsight HD cluster upgrade? (Multiple choice)
- A. It is not possible to manually switch between active and standby OMS during the upgrade process
- B. Expansion cannot be done during the observation period
- C. Keep the root account passwords of all hosts in the cluster consistent
- D. Keep the network open. Avoid abnormal upgrades due to network problems
Answer: A,B,C,D
NEW QUESTION 60
Which of the following steps are involved in preparing for Fusioninsight HD installation? (Multiple choice)
- A. Prepare planning data, such as network parameters and role deployment location
- B. Complete the node host operating system installation
- C. Complete the hardware installation
- D. Prepare tools and software. Such as Putty, LLD, Fusioninsight HD software installation package, etc.
Answer: A,B,C,D
NEW QUESTION 61
Tez is a distributed computing box that supports directed acyclic graphs. When Hive uses the Tez engine for data analysis, it parses the HQL statements submitted by users into corresponding Tez tasks and submits them to Tez for execution.
- A. False
- B. True
Answer: B
NEW QUESTION 62
The topology will automatically end running after the task is completed.
- A. True
- B. False
Answer: B
NEW QUESTION 63
Which of the following parts does the structure of the unified certification management system include?
- A. Unified Authentication Server
- B. Identity information storage server
- C. Unified authentication management module
- D. Unified Session Management Module
Answer: A,B,C
NEW QUESTION 64
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