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Huawei HCIP-Big Data Developer Sample Questions:

1. Which of the following options is the core function of Yarn?

A) Search
B) Data transfer
C) Resource management
D) Storage

2. 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) For fields that do not need to store the original value, the stored attribute can be set to false.
C) 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.
D) 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 " />.

3. In FusionInsight HD, regarding the secondary development of Hive UDF, which of the following descriptions is correct? (multiple choice)

A) User-defined UDF is not allowed to add information such as summary and status.
B) User-defined UDF can add deterministic and statefull annotations according to the actual situation.
C) In a secure cluster, user-defined UDFs are recommended to be created before each use.
D) Before the user-defined UDF is used, it needs to be created in the Hive system.

4. Which of the following is not a feature of MapReduce?

A) Easy to program
B) Good scalability
C) Real-time calculation
D) High fault tolerance

5. 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) In the configuration set, the DirectoryFactory parameter in the solrconfig.xml file can be set to org.apache.solr.core.NIOFSDirectoryFactory
B) 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
C) 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.
D) 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

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