최신 Huawei Other Certification H13-723 무료샘플문제:
1. In HBase of FusionInsight HD, which of the following scenarios will not trigger the Flush operation?
A) The MemStore setting of the Region exceeds the threshold
B) The total memory of RegionServer exceeds the threshold
C) Initiate Flush operation through the client specified method
D) The scan caching is set too large when the client initiates a scan request
2. The rowkey design of HBase table is a very important development and design link.
Suppose there are the following scenarios. The most frequent query scenario is based on the mobile phone number to query the historical call records every month and every six months. Which of the following rowkey designs is the best?
A) Mobile number + date
B) Name + mobile phone number
C) Date + mobile phone number
D) Mobile phone number + name
3. Use FusionInsight HD's Hive to query data. When the amount of intermediate result data to be queried is large, you can choose to compress the intermediate result data to obtain better performance.
Which of the following are the relevant parameters for Hive intermediate result compression? (multiple choice)
A) hive.exec.compress.output
B) hive.intermediate.compression.codec
C) hive.intermediate.compression.type
D) hive.exec.compress.intermediate
4. In Spark, assuming that lines is a DStream object, which of the following statements can periodically count the number of words on this stream?
A) Iines.flatMap(_.split (" " )).flatMap(word => (word, 1)).groupByKey(_ +_).print()
B) Iines.fIatMap(_.spIit (" " )).map(word => (word, 1)).reduceByKey(_ +_).print()
C) Iines.flatMap(_.split (" " )).map(word => (word, 1)).reduce(_ +_).print()
D) Iines.flatMap(_.split (" " )).map(word => (word,word.Iength())).reduceByKey (_ +_).print()
5. 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) Kafka
B) HBase
C) Redis
D) HDfS
질문과 대답:
| 질문 # 1 정답: D | 질문 # 2 정답: A | 질문 # 3 정답: B,C,D | 질문 # 4 정답: B | 질문 # 5 정답: A,C |
985 개 고객 리뷰
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