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Huawei H13-723-ENU Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Hadoop Ecosystem Technologies | - YARN Resource Scheduling - HDFS and Data Management |
| Real-time Data Processing | - Flink/Spark Streaming Basics - Stream Processing Concepts |
| Distributed Data Processing | - MapReduce Principles - Spark Computing Framework |
| Data Development and Engineering Practices | - ETL Design and Implementation - Data Pipeline Development |
| Big Data Fundamentals | - Big Data Architecture and Ecosystem Overview - Data Storage and Processing Concepts |
Huawei HCIP-Big Data Developer Sample Questions:
In FusionInsigt HD, which of the following components can be used for data collection? (multiple choice)
- A. MapReduoe
- B. HBase
- C. Loader
- D. Flume
Correct Answer: C,D 🗳️
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. Date + mobile phone number
- C. Name + mobile phone number
- D. Mobile phone number + name
Correct Answer: A 🗳️
HDFS is not suitable for which of the following business scenarios?
- A. Large amount of small file storage
- B. Mass data storage
- C. Large file storage
- D. Streaming file storage
Correct Answer: A 🗳️
A customer has the following scenario: indexing PB-level data requires real-time indexing performance of more than 2MB/s, and supports full-text retrieval, and requires query performance to reach a second-level response.
For the above scenarios, regarding the Solr collection design, which of the following design schemes are reasonable? (multiple choices)
- A. It can be used in conjunction with Hbase, set the uniqueKey field and HBase RowKey field to the same value, and use the implicit Router method to make the document evenly distributed to each shard
- B. When creating a Collection, you can set the number of Shards to be an integer multiple of the number of SoIrServer instances to ensure that each SoIrServer instance is negatively balanced as much as possible
- C. In the configuration set, the DirectoryFactory parameter in the solrconfig.xml file can be set to org.apache.solr.core.NIOFSDirectoryFactory
- D. It can be used in conjunction with HBase. Solr only builds indexes for non-RowKey fields that need to be retrieved. HBase is responsible for storing data in all fields.
Correct Answer: B,C,D 🗳️
When designing a certain collection of Solr, you need to design its Schema, and realize the design of the Schema by configuring the schema.xml file. What is wrong about the Schema statement below?
- A. Schema is similar to the table structure in a relational database. It is used to define the structure of index data. It mainly consists of three parts: unlqueKey, Field and FleldType.
- B. copyField can be defined as follows: <field name= " cat " type= " string " indexed = " true " stored = " true " docValues= " true " multiValued= " false " /> <field name= " dog " type = " string " indexed = " true " stored = " true " docValues= " true " multi Valued = " false " /> <field name= " text " type= " text_general " indexed = " true " stored = " false " multiValued = " false " /> <copyField source= " cat " dest= " text " maxChars= " 30000 " /> <copyField source= " dog " dest= " text " maxChars = " 30000 " />.
- C. For fields that do not need to store the original value, the stored attribute can be set to false.
- D. For a field of the same document, there are multiple values, and they all need to be retained, then the multiValued of the field must be set to true.
Correct Answer: B 🗳️
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