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Huawei H13-723_V2.0 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Big Data Offline Batch Processing Scenario-based Solution | 25% | - Data ingestion tools: Loader, Sqoop, Flume - Spark Core, Spark SQL and Catalyst optimization - HDFS and YARN principles and configuration - Hive development, optimization and ACID transactions |
| Topic 2: Big Data Real-time Retrieval Scenario-based Solution | 30% | - HBase architecture, row-key design and optimization - CarbonData and GaussDB(DWS) basics - Apache Phoenix and secondary indexes - Elasticsearch indexing, query and cluster management |
| Topic 3: Big Data Real-time Stream Computing Scenario-based Solution | 30% | - Spark Structured Streaming fundamentals - Kafka architecture, transactions and configuration - Apache Flink: event time, watermark, windowing and state management - Flink SQL and complex event processing |
| Topic 4: Big Data Application Development Overall Guide | 15% | - Scenario-based solution design overview - Mainstream big data technologies and ecosystem - Application development process and specifications - FusionInsight HD architecture and components |
Huawei HCIP-Big Data Developer V2.0 Sample Questions:
existSparkIn application development, which of the following codes can correctly count words?
- A. val counts=textFile.map(line=>line.split(" ')).map(-rd=>(word,1)).reduceByKey(_+_)
- B. val counts=textFile.flatmap(line=>line.split(" ")).map(-rd=>(word,1)).reduceByKey()
- C. val counts=textFile.map(line=>line.split(" ")).map(word=>(word,1)).groupByKey()
- D. val counts=textFile.flatMap(line=>line.split(" ")).map(word=>(word,1)).reduceByKey(_+_)
Correct Answer: D 🗳️
HadoonIn the system: ifHDFSThe backup factor of the file system is3,SoMapReduceevery time In progresstaskall from3The segment of the file that needs to be processed is transmitted on a machine with a replica.
- A. True
- B. False
Correct Answer: B 🗳️
existFlumeDuring cascaded transfers, you can usefail overmode transfer, so that if the next hop isFlumenode failure or When the data is received abnormally, it can automatically switch to another way to continue transmission.
- A. True
- B. False
Correct Answer: A 🗳️
Which of the following is notMapReducespecialty?
- A. Good scalability
- B. Easy to program.
- C. Calculate in real time
- D. High fault tolerance
Correct Answer: C 🗳️
Tonganeng's societyHDofe, user-definedUDFcan andHmachine built-inUDFclass name, In this case, the user-definedUDF.
- A. True
- B. False
Correct Answer: A 🗳️
Jay 
Myron 
Theresa 
Virgil 
Marina 
Zoe 
Phoenix 
Carl 
Gary 
Ward 
Maggie 
Arno 
Uriah 
Merle 
Audrey 
Colbert 
Parker 
Jane 
Jacob 
Edward 
Walter 
