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Huawei H13-723-ENU Exam Syllabus Topics:

Huawei HCIP-Big Data Developer Sample Questions:

1. During the Solr application development of FusionInsight HD products, you can verify the Collection through the Solr Admin UI.
Which of the following statements about Solr Admin UI is correct? (multiple choice)

A) Click Tree under Cloud to view metadata information such as Collections, configuration sets and live_nodes in Solr Cloud
B) Click Cloud to view the distribution and status of each ShardReplica under each Collection
C) Enter the Core Overview interface of the Shard Replica of a Collection, you can view the actual number of documents, storage size and location information of the Replica index
D) Solr user group, Solr admin role and Super group users can access Solr Admin UI

2. In FusionInsight HD, use the Streaming command line to submit the om.huawei.examole.WordCount task in example.jar. The task name is wcTest. Which of the following commands is correct?

A) storm jar example .jar wcTest om.huawei.example.WordCount
B) storm jar example.jar WordCount wcTest
C) storm jar example .jar wcTest WordCount
D) storm jar example .jar om.huawei.example.WordCount wcTest

3. In Spark, assuming that lines is a DStream object, the filter statement can filter out 80% of the data. Which statement is correct for the following two statements:
X: lines.filter(...).groupByKey(...)
Y: lines.groupByKey(...).filter(...)

A) X has lower performance than Y
B) X has higher performance than Y
C) X and Y have the same performance
D) It is impossible to determine the performance difference between X and Y

4. In FusionInsight HD, what are the roles that belong to the Streaming service? (multiple choice)

A) quorumpeer
B) Supervisor
C) Broker
D) Nimbus

5. In the Fusioninsight HD product, what is wrong about the Kafka secure and non-secure port description?
(Note: The old API refers to the old Producer API and the old Consumer API. Among them, the old Consumer API: refers to the interface defined in kafka.consumer.ConsumerConnector; the old Producer API: refers to the interface defined in kafka.producer.Producer.)

A) For topics with ACL set, you can use the old API to connect to port 21005 for access.
B) The old API only supports access to port 21005; the new API is compatible with access to non-secure port 21005 and secure port 21007.
C) Kafka cluster security access port defaults to 21007, non-secure access port defaults to 21005.
D) The premise for the old API to access a topic through port 21005 is that the server parameter allow.everyone.if.no.acl.found is set to true, and the topic does not have ACL attributes set

Solutions: