[Nov-2021] Verified Huawei H13-723 Bundle Real Exam Dumps PDF
H13-723 Dumps PDF New [2021] Ultimate Study Guide
NEW QUESTION 46
When the cluster is normal, the Redis client initiates a get call, and there are () message interactions between the client and the server?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: B
NEW QUESTION 47
In the online log query solution, stream processing is used to complete the calculation. During the entire calculation process, intermediate calculation results need to be temporarily stored. Which of the following components is suitable for storing intermediate calculation results? (multiple choice)
- A. HBase
- B. Redis
- C. Kafka
- D. HDfS
Answer: B,C
NEW QUESTION 48
When indexing in Solr, which of the following code snippets can significantly improve indexing performance? (multiple choice)
- A. SolrlnputDocument doc = new SolrlnputDocument(); doc.addField ("id", i.toString()); doc.addField ("name", "Zhang San" + i); doc.addField ("features", "test" + ); doc.addField ("price", (float) i * 1.01); cloudSolrClient.add (doc); cloudSolrClient.commit();
- B. lbClient.setRequestWriter (new BinaryRequestWriter());
- C. if (updateRequest.getDocuments().size() >= 1000) { cloudSolrClient.request (updateRequest, collName); updateRequest.clear(); }
- D. if (updateRequest.getDocumentsMap().size() >= 10000) { cloudSolrClient.request (updateRequest, collName); updateRequest.clear(); }
Answer: B,D
NEW QUESTION 49
When adding a RegionServer host to an HBase cluster, you must stop the original cluster first, because HBase does not support dynamic expansion.
- A. False
- B. True
Answer: A
NEW QUESTION 50
For the HBase component of the FusionInsight HD platform, what attributes of the secondary index need to be defined when adding a secondary index? (multiple choice)
- A. Index name
- B. Index column
- C. The name of the column family to which the index column belongs
- D. Index column type
Answer: A,B,C,D
NEW QUESTION 51
In the FusionInsight HD system, in the Solr example project solr-example\conf\solr-example.properties, the values of ZK_URL and ZOOKEEPER_DEFAULT_SERVER_PRINCIPAL can be obtained from which of the following options?
- A. In solr-example\conf\solr-example.properties, these two parameters are already included by default
- B. Obtain from the Solr Admin UI interface
- C. Obtained from the FusionInsight Manager Solr service configuration interface
Answer: B
NEW QUESTION 52
Which Redis commands are atomic operations?
- A. LPUSH (push operation on linked list)
- B. All of the above
- C. INCR (increase the stored digital value by one)
- D. HINCRBY (add incremental increment to the field value in the hash table key)
Answer: B
NEW QUESTION 53
In FusionInsight HD, which of the following parameters of the Hive client are used to control reduce concurrency? (multiple choice)
- A. hive.exec.max.dynamic.partitions
- B. hive.exec.max.dynamic.partitions.pernode
- C. hive.exec.reducers.bytes.per.reducer
- D. hive.exec-ducers.max
Answer: C,D
NEW QUESTION 54
Regarding the characteristics of Redis, which of the following descriptions is correct? (multiple choice)
- A. Support SQL query interface
- B. Support data persistence
- C. Low latency
- D. Rich data structure
Answer: B,C,D
NEW QUESTION 55
In the HBase table design, for multiple businesses sharing the rowkey, which leads to data access contradictions, what strategies can be used to deal with it?
- A. Redundancy method (use space for time plant efficiency)
- B. Create a secondary index
- C. Pre-division region
- D. Compromise method (rowkey design takes into account the business needs of A and B)
Answer: A,B,D
NEW QUESTION 56
In FusionInsight HD, the Streaming packaging tool is used to package the business code jar package and other dependent jar packages into a complete Streaming application jar package
- A. False
- B. True
Answer: B
NEW QUESTION 57
A large manufacturing company plans to transform its internal logistics data and sales data into big data. The design department has given an analysis of the data storage plan. Which of the following descriptions is correct?
- A. HBase stores massive data and supports dynamic expansion, which can fulfill the storage requirements of logistics and sales data.
- B. HBase can be built on ordinary commercial servers, and the construction cost is relatively low.
- C. Hbase supports efficient random reading, and can complete real-time analysis and command of the logistics situation after a reasonable design.
- D. Logistics data is very sparse, and HBase can efficiently process sparse data.
Answer: A,B,C,D
NEW QUESTION 58
Regarding the file format provided by Hive in the FusionInsight HD system, which is not a columnar file?
- A. CRC
- B. RCFile
- C. TextFiIe
- D. Parquet
Answer: C
NEW QUESTION 59
In the V100R002C60 version of the FusionInsight HD system, Hive only supports query services based on the MapReduce engine, and does not support query services based on the Spark engine.
- A. False
- B. True
Answer: A
NEW QUESTION 60
Which of the following business applications is not suitable for Hive?
- A. Data mining (user behavior analysis, interest division, regional display)
- B. Data summary (number of user clicks per day/week, click ranking)
- C. Real-time online data analysis
- D. Non-real-time analysis (log analysis, statistical analysis)
Answer: C
NEW QUESTION 61
In FusionInsight HD, where can I view the running results of the MapReduce application?
- A. FusionInsight Manager web interface
- B. Yarn web interface
- C. Solr web interface
- D. Loader web interface
Answer: B
NEW QUESTION 62
Regarding the disaster tolerance of Streaming, which of the following statements is correct? (multiple choice)
- A. After the Supervisor process exits, it can be automatically recognized and pulled up by Nimbus without affecting the running business.
- B. When a node fails, tasks on that node will be reassigned to other normal nodes without manual intervention.
- C. After Nimbus fails, the standby Nimbus will automatically take over, without affecting the running business.
- D. Worker can be automatically pulled up by Supervisor after abnormal exit without manual intervention.
Answer: A,B,C,D
NEW QUESTION 63
Which role in Yarn manages the resources (CPU/Memory) of a single node?
- A. Data Node
- B. ResourceManager
- C. NodeManager
- D. NameNode
Answer: C
NEW QUESTION 64
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