Huawei HCIP-Big Data Developer : H13-723-ENU Exam Questions

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Huawei H13-723-ENU Exam Syllabus Topics:

Huawei HCIP-Big Data Developer Sample Questions:

1. In Kafka, which of the following commands can check how many partitions a topic has?

A) kafka-topics.sh --create
B) kafka-topics.sh --list
C) kafka-topics.sh --alter
D) kafka-topics.sh - describe

2. In FusionInsight HD, which method of the OozieClient class will be called by the JAVA API of the Oozie client when running tasks?

A) suspend
B) getJobInfo
C) submit
D) run

3. In Spark application development, which of the following codes can correctly count words?

A) val counts = textFile.flatMap (line=>line.split (" ")).map (word => (word, 1)).reduceByKey(_ +_)
B) val counts = textFile.map (line=>line.split (" ")).map (word => (word, 1)).groupByKey ()
C) val counts = textFile.flatMap (line=>line.split (" ")).map (word => (word, 1)).groupByKey ()
D) val counts = textFile.map (line => line.split ("')).map (-rd => (word, 1)).reduceByKey(_ +_)

4. In Streaming application development, which interface does Bolt use to send Tuples?

A) emit
B) open
C) execute
D) nextTuple

5. 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 " />.

Solutions: